AI Mega-Caps Anchor the 13F-HR Wave: NVDA Tops Swedbank, Hartline, and Strategic Blueprint Filings

Executive Summary

As of April 29, 2026, The 13F Tracker Desk has identified Swedbank AB's $95.1 billion 13F-HR filing as the day's anchor flow event, with the Stockholm-based bank reporting Nvidia (NVDA) as its largest U.S. equity holding at approximately $7.54 billion — a position that places NVDA atop a stack featuring Microsoft (MSFT, $5.58B), Apple (AAPL, $4.91B), Broadcom (AVGO, $3.83B), and Amazon (AMZN, $3.30B). The filing (SEC EDGAR accession 0000946431-26-000005) reflects Swedbank's reported Q1 2026 positions and confirms the pattern we have flagged across European institutional filings this month: foreign banks with U.S. equity mandates are running historically large concentrations in the AI hyperscaler complex, with eight of Swedbank's top ten names tied directly to AI infrastructure or platform monetization.

The day's second signal, no less important for the universe of mid-sized RIAs we track, is Hartline Investment Corp's filing (accession 0001754960-26-000342), which shows a $908.9 million portfolio with a 12.1% concentration in Nvidia — the kind of single-name conviction that trips our Activist & Concentration Watch threshold. Hartline's top ten reads like a barbell: NVDA + AAPL + AMZN + GOOGL anchoring the AI/mega-cap leg, with iShares Floating Rate Bond ETF (FLOT, 7.9%) and Berkshire Hathaway Class A (BRK.A, 9.4%) defending the duration and quality leg. Strategic Blueprint, LLC's $1.72B aggregator portfolio (accession 0001767821-26-000003) rounds out the day with 639 positions, but its top-of-book is dominated by passive ETF wrappers (Avantis U.S. Equity, Vanguard Value, Vanguard Growth) — a different signal entirely about how RIA platforms are still expressing convictions through factor sleeves rather than direct security selection.

We remind readers that 13F-HR positions reflect end-of-quarter holdings filed on a roughly 45-day delay; Swedbank's NVDA stake therefore reports March 31, 2026 positions rather than the current book. Even with that caveat, the consistency of NVDA concentration across a Swedish bank, a U.S. mid-cap RIA, and an aggregator platform — three institutions with materially different mandates — qualifies as the dominant flow signal of the session.

Today's top signals: (1) Swedbank AB — $7.54B Nvidia (NVDA) position anchors an AI-heavy U.S. mega-cap top ten; (2) Hartline Investment Corp — 12.1% portfolio concentration in NVDA at $109.85M, with Vertiv (VRT) at 5.3% as the AI infrastructure complement; (3) Strategic Blueprint, LLC — 639-position aggregator portfolio led by Avantis U.S. Equity ETF (AVUS), confirming continued factor-ETF dominance in RIA wrappers; (4) Hartline's $24.9M Cloudflare (NET) position — small in absolute size but notable for an otherwise large-cap-dominated sleeve; (5) 21 of today's 32 filings parsed as zero-position shells, signaling either small-RIA reporting noise or amended filings without holdings detail.

Today In Numbers

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Notable Filer Deep Dives

Swedbank AB — $95.15B AUM

• Filing: 13F-HR filed 2026-04-29 (SEC EDGAR: https://www.sec.gov/Archives/edgar/data/946431/000094643126000005/, accession 0000946431-26-000005). Period of report not specified in our parse; under the 45-day delay rule, this filing reflects positions as of approximately March 31, 2026 (Q1 2026 reporting).
• Portfolio summary: 1,062 positions. Top 5 (NVDA, MSFT, AAPL, AVGO, AMZN) represent approximately $25.16B or 26.4% of the U.S. portfolio.
• Top 10 holdings table:

Rank	Company	Shares	Value ($B)	% of Portfolio

|---|---|---|---|---|

• What changed: First Swedbank filing in our current parsing window; quarter-over-quarter comparison not available this edition.
• Sector allocation: Technology 31.5% ($30.0B), Other 57.6% ($54.8B), Healthcare 4.4% ($4.2B), Financials 3.2% ($3.0B), Consumer 2.2% ($2.1B), Communications 0.7% ($689M), Automotive 0.4% ($346M).
• The signal: Swedbank's reported book is a textbook expression of "global AI mega-cap beta with European overlay." Eight of the top ten names sit directly inside the AI hyperscaler / semiconductor / advertising-AI complex, totaling approximately $32.5B (34.2% of portfolio). Defensive complements (LLY, JPM) appear only at #9-10 and total healthcare allocation is just 4.4% — a relatively low cushion. Position weights are too uniform to suggest a fresh thesis; this is a fund expressing conviction in the AI complex as an asset class, not a stock-picker hunting alpha.

Hartline Investment Corp — $908.9M AUM

• Filing: 13F-HR filed 2026-04-29 (SEC EDGAR: https://www.sec.gov/Archives/edgar/data/945625/000175496026000342/, accession 0001754960-26-000342). Reflects Q1 2026 positions under 45-day delay convention.
• Portfolio summary: 112 positions. Top 5 (NVDA, BRK.A, FLOT, AAPL, VRT) represent approximately $370.1M or 40.7% of the portfolio — markedly higher concentration than Swedbank and consistent with active management.
• Top 10 holdings table:

Rank	Company	Shares	Value ($M)	% of Portfolio

|---|---|---|---|---|

• What changed: First Hartline filing in our current parsing window; quarter-over-quarter changes not available this edition.
• Sector allocation: Technology 30.8% ($279.7M), Other 59.5% ($540.8M), Consumer 4.0% ($36.5M), Financials 3.5% ($32.0M), Healthcare 1.9% ($17.1M), Energy 0.2% ($1.7M), Communications 0.1% ($897K), Automotive 0.02% ($208K).
• The signal: Hartline passes our portfolio review test on three counts: (1) the 12.1% NVDA concentration trips our >10% single-name conviction threshold — not factor exposure but a thesis; (2) the AI-infrastructure layer extends well beyond NVDA via Vertiv, Marvell, Corning, and Cloudflare (~16% combined); (3) the FLOT + BRK.A pairing signals duration-cautious positioning consistent with a 3.64% Fed Funds environment and a 0.52 10Y-2Y spread that is well off inversion lows but not yet steep. AI compute leadership remains the alpha source while financing/rate exposure is managed defensively — a stance more typical of a value-oriented active RIA than a momentum shop.

Strategic Blueprint, LLC — $1.72B AUM

• Filing: 13F-HR filed 2026-04-29 (SEC EDGAR: https://www.sec.gov/Archives/edgar/data/1767821/000176782126000003/, accession 0001767821-26-000003). Reflects Q1 2026 reporting.
• Portfolio summary: 639 positions. Top 5 (AVUS, NVDA, VTV, VUG, IUSB) represent approximately $213.2M or 12.4% of the portfolio.
• Top 10 holdings table:

Rank	Company	Shares	Value ($M)	% of Portfolio

|---|---|---|---|---|

• What changed: First Strategic Blueprint filing in our current parsing window; quarter-over-quarter changes not available this edition.
• Sector allocation: Technology 8.2% ($140.3M), Other 85.8% ($1.476B), Financials 2.2% ($38.1M), Consumer 1.3% ($22.0M), Healthcare 1.2% ($19.8M), Energy 0.7% ($12.7M), Automotive 0.4% ($7.2M), Communications 0.2% ($4.0M).
• The signal: A textbook aggregator/RIA-platform 13F: 639 positions, top-of-book dominated by Avantis, Vanguard, and iShares factor and bond ETFs, with single-stock holdings limited to mega-caps. The signal is structural: U.S. equity (AVUS), value tilt (VTV, EFV), quality factor (QUAL), and core fixed income (IUSB, GOVT) form a classic five-factor multi-asset construction. The $42.4M NVDA position at #2 is the only direct equity bet of any size and tells us Strategic Blueprint's underlying advisors have sufficient conviction to break the all-ETF model exclusively for Nvidia — consistent with the cross-portfolio NVDA pattern we flag elsewhere.

Sector Flow Analysis

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Across the three filings with parsed holdings, Technology is the dominant active-stock sleeve, totaling approximately $30.4B in declared exposure (97% of which sits in Swedbank's $30.0B technology bucket). Healthcare exposure is concentrated almost entirely in Swedbank's Eli Lilly (LLY) position ($1.48B) plus a long tail of smaller pharma names; Hartline and Strategic Blueprint allocate just 1.9% and 1.2% to healthcare respectively, well below S&P 500 healthcare weight (~12%). Energy is the most underweighted sector across the day's parsed filings: just $14.3M total, against an S&P 500 energy weight of approximately 3.6%. Communications exposure (telecom, media) is similarly thin at $689M for Swedbank and de minimis elsewhere — consistent with the broader institutional pattern of expressing platform exposure through Alphabet and Meta (which our taxonomy classifies under Technology) rather than through traditional telecom or media names. The notable rotation read: when we look at the ratio of Technology + Other (ETFs) to all other sectors, institutional dollars are overwhelmingly concentrated in the AI/passive-factor combo — a pattern that, while not new, is reaching the upper end of post-2023 historical ranges in the filings we are parsing.

Activist And Concentration Watch

The day's parsed filings flag two items for our concentration screen and zero for our activist screen.

• Hartline Investment Corp — Nvidia (NVDA), 12.1% of portfolio, $109.85M position. This is a >10% single-name concentration in a $908.9M portfolio. We do not read this as activist accumulation; Hartline is a discretionary RIA, not a 13D filer. However, the conviction level is unusual for a fund of this size and warrants close monitoring of subsequent quarters to determine whether the position is being trimmed, held, or built. Historical parallel: in 2017-2018, several mid-sized RIAs ran similarly elevated NVDA concentrations during the gaming/data-center transition; those positions paid off through the 2018 H1 rally but were materially drawn down in the Q4 2018 selloff. The lesson then was that 12%+ single-name concentration in a high-beta tech name leaves a portfolio vulnerable to single-stock drawdowns — a risk Hartline implicitly accepts.
• Hartline Investment Corp — Berkshire Hathaway Class A (BRK.A), 9.4% of portfolio, $85.46M position via 119 shares. Just below the 10% concentration threshold but worth flagging because of the nature of BRK.A as a quasi-mutual-fund alternative. Hartline's combination of NVDA + BRK.A as #1 and #2 holdings expresses a "growth + quality" barbell that is structurally rare in our parsing universe.
• Activist screen: No filings in today's batch are attributable to known 13D activists (Carl C. Icahn & Co., Pershing Square, Elliott Investment Management, Starboard Value, ValueAct, Engine Capital, Trian, etc.). Of the foreign filers (Swedbank AB, Credit Industriel Et Commercial, Exane Asset Management, Allianz Polska, Meitav Investment House, Oldfield Partners), none are known activist vehicles; Swedbank in particular is a discretionary asset manager mandated for diversified rather than concentrated positioning.
• >$100M positions: Hartline's NVDA position at $109.85M is the only single position breaching $100M outside of Swedbank's mega-cap top ten. We cannot determine from this filing alone whether it is a new initiation, an increase, or a held position; the prior-quarter comparison will resolve this in next quarter's edition.

Contrarian Signals

The dominant pattern in today's parse is convergence, not divergence: NVDA appears in all three top-ten lists, AAPL in all three, and the Tech sector is the largest active-stock sleeve in every parsed portfolio. That said, three contrarian readings deserve flagging.

• Hartline's iShares Floating Rate Bond ETF (FLOT) at 7.9% of portfolio, $71.7M. The institutional consensus heading into late April 2026 — with the Federal Funds Rate at 3.64% and cuts continuing — is that floating-rate exposure should be reduced as variable-rate yields decline. Hartline's overweight position in FLOT runs against that consensus. Bull case: Hartline reads the curve as still uncertain (10Y-2Y at 0.52 is well off inversion but not steep), and FLOT preserves cash-equivalent income at 4-5% while protecting against a steeper-curve scenario. Bear case: if Fed cutting accelerates, FLOT yields compress immediately while duration assets rally — Hartline foregoes the duration premium that traditional bond ETFs would capture.
• Strategic Blueprint's iShares MSCI EAFE Value ETF (EFV) at 1.3% of portfolio, $22.8M. While the 1.3% weight is small, the deliberate inclusion of an EAFE-value sleeve in a portfolio whose largest active equity bet is NVDA reflects a value/growth barbell that is unusual in 2026 RIA construction. Bull case: EAFE-value provides cheap exposure to European banks, energy, and industrials at a meaningful valuation discount to U.S. counterparts, with recent dollar weakness magnifying returns. Bear case: EAFE-value has structurally underperformed U.S. equity for over a decade, and incremental allocations in 2026 may simply reflect home-country bias avoidance rather than any specific catalyst.
• Swedbank's Eli Lilly (LLY) position at 1.6% of portfolio, $1.48B. A foreign bank holding LLY in size at the post-peak GLP-1 cycle is a non-obvious choice. Bull case: Swedbank's research desk reads the obesity/diabetes franchise as durable through the post-2026 generic threats, with the pipeline (oral GLP-1, dual agonists) extending the runway beyond Mounjaro/Zepbound. Bear case: LLY's multiple has expanded materially over the past three years, and the position is now rate-sensitive growth in a portfolio that already needs balance — the timing of any LLY de-rating could compound losses in an already tech-heavy book. We do not take a side; we flag the exposure for readers running their own allocation reviews.

What To Watch This Week

We highlight the following catalysts through May 12, 2026, with explicit mapping to today's filings:

• Tuesday, May 5, 2026 — Federal Reserve FOMC speakers and minutes window. With Fed Funds at 3.64%, any signal about cut pace meaningfully impacts Hartline's FLOT position (7.9% of book) and Strategic Blueprint's bond ETF stack (IUSB + GOVT = 3.9% of book). A faster-cut signal hurts FLOT, helps duration ETFs.
• Wednesday, May 6, 2026 — Nvidia (NVDA) supply-chain commentary expected from Asian fab earnings (TSMC pre-quiet period guidance window). NVDA appears in all three parsed portfolios and is the largest single position in two of them (Swedbank, Hartline). Any supply-chain weakness or strength flows directly into roughly $7.7B of declared exposure across our parse.
• Thursday, May 7, 2026 — Apple (AAPL) WWDC pre-announcement window opens. AAPL is held at $4.91B by Swedbank and $55.2M by Hartline. WWDC tone-setting on AI features (Apple Intelligence v3 timing, on-device model cadence) is the single largest near-term catalyst for the position.
• Friday, May 8, 2026 — Vertiv Holdings (VRT) Q1 earnings. Vertiv is 5.3% of Hartline's portfolio at $47.85M and is the cleanest standalone read on AI data-center capex pacing. A miss compounds Hartline's already-elevated tech concentration; a beat validates the AI infrastructure thesis underpinning Hartline's overall positioning.
• Friday, May 8, 2026 — Berkshire Hathaway Q1 letter and 13F preview window. With Hartline holding 9.4% in BRK.A, any commentary on Apple position trimming, cash deployment, or sector rotation by Berkshire directly impacts Hartline's largest non-tech bet.
• Monday, May 11, 2026 — Cloudflare (NET) Q1 earnings. NET is a 2.7% Hartline position and the smallest of the AI-infrastructure complement set; a strong edge AI / Workers AI segment print would re-rate the entire AI-infrastructure mid-cap basket.
• Tuesday, May 12, 2026 — May 13F-HR filing wave broadens for Q1 2026 reports. Today's filings are early; the bulk of large funds file in the second week of May. Readers should expect dramatically expanded coverage in the May 12-15 window, when Bridgewater, Renaissance, Citadel, Two Sigma, and the major hedge funds typically appear.

Bottom Line

The institutional money is concentrated, convergent, and tilted toward the AI mega-cap complex — with active managers running higher single-name conviction than diversified discretionary banks. Three readings define today's edition. First, NVDA appearing in all three parsed top-ten lists confirms that the world's largest U.S. equity holding for sophisticated institutions is still Nvidia, with no reset visible at the position-size level after the volatile spring tape. Second, Hartline Investment Corp's 12.1% NVDA concentration plus its companion AI-infrastructure stack (Vertiv, Marvell, Corning, Cloudflare = ~16% of the book) is the highest-conviction AI thesis in today's parse and the filing a portfolio manager should read in full to gauge how a $900M discretionary RIA is constructing the trade. Third, Swedbank's $30B technology sleeve in a $95B portfolio illustrates that European banks with U.S. equity mandates are running tech weights well above S&P 500 weight — a small but meaningful overweight at scale. The biggest surprise: Hartline's FLOT position, which runs counter to the consensus view that floating-rate exposure should be trimmed as the Fed cuts. Our desk read: the cross-portfolio NVDA pattern is no longer notable in itself; the differentiator in next quarter's filings will be how each filer manages duration, healthcare exposure, and the long tail of names below the top ten — those are where 2026's alpha will likely come from. The #1 filing to read in full today: Hartline Investment Corp (SEC EDGAR accession 0001754960-26-000342) — it shows what high-conviction AI thesis construction looks like in a $900M discretionary RIA and provides the cleanest read on how mid-tier active managers are still finding alpha despite the convergence trend.