Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in ASIC held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | Nuveen, LLC | 712K | $14.1M | +1.0% | 1.481% | 0.00% |
| 2 | BlackRock, Inc. | 567K | $11.2M | +26.5% | 1.180% | 0.00% |
| 3 | CANNELL CAPITAL LLC | 487K | $9.6M | +51.5% | 1.012% | 6.06% |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 358K | $7.1M | — | 0.745% | 0.00% |
| 5 | MARSHALL WACE, LLP | 201K | $4.0M | +100.8% | 0.417% | 0.00% |
| 6 | GEODE CAPITAL MANAGEMENT, LLC | 188K | $3.7M | +22.8% | 0.392% | 0.00% |
| 7 | TWO SIGMA INVESTMENTS, LP | 158K | $3.1M | +30.0% | 0.329% | 0.00% |
| 8 | STATE OF WISCONSIN INVESTMENT BOARD | 143K | $2.8M | -9.1% | 0.298% | 0.01% |
| 9 | STATE STREET CORP | 136K | $2.7M | +46.6% | 0.283% | 0.00% |
| 10 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 132K | $2.6M | — | 0.274% | 0.00% |
| 11 | GOLDMAN SACHS GROUP INC | 132K | $2.6M | +133.8% | 0.274% | 0.00% |
| 12 | MILLENNIUM MANAGEMENT LLC | 126K | $2.5M | -39.0% | 0.263% | 0.00% |
| 13 | JANE STREET GROUP, LLC | 103K | $2.0M | +170.8% | 0.214% | 0.02% |
| 14 | BANK OF AMERICA CORP /DE/ | 102K | $2.0M | +14.6% | 0.211% | 0.00% |
| 15 | Ghisallo Capital Management LLC | 100K | $2.0M | 0.0% | 0.208% | 0.05% |
| 16 | CITADEL ADVISORS LLC | 96K | $1.9M | +503.8% | 0.200% | 0.00% |
| 17 | BALYASNY ASSET MANAGEMENT LLC | 94K | $1.9M | -44.7% | 0.197% | 0.01% |
| 18 | MORGAN STANLEY | 84K | $1.7M | +17.1% | 0.175% | 0.00% |
| 19 | PRUDENTIAL FINANCIAL INC | 75K | $1.5M | — | 0.155% | 0.00% |
| 20 | Alyeska Investment Group, L.P. | 72K | $1.4M | 0.0% | 0.150% | 0.00% |
| 21 | VANGUARD PORTFOLIO MANAGEMENT LLC | 69K | $1.4M | — | 0.145% | 0.00% |
| 22 | NORTHERN TRUST CORP | 63K | $1.3M | +34.4% | 0.132% | 0.00% |
| 23 | Walleye Capital LLC | 57K | $1.1M | -39.1% | 0.120% | 0.00% |
| 24 | KORNITZER CAPITAL MANAGEMENT INC /KS | 54K | $1.1M | +8.5% | 0.113% | 0.02% |
| 25 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 52K | $1.0M | +9.9% | 0.109% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in ASIC — a direct measure of their conviction.
Filings activity in ASIC during Q1 2026, grouped by how each filer changed its position.
4 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 85 | +10% | 9.74% | 1.16 pp | $97M | 11% |
| Q4 2025 | 77 | +13% | 10.90% | 0.36 pp | $109M | 3.2% |
| Q3 2025 | 68 | +24% | 11.26% | +0.15 pp | $112M | +1.4% |
| Q2 2025 | 55 | — | 11.11% | — | $111M | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Latest Form 4 transactions by company officers and directors. Insider buys are widely viewed as the highest-conviction signal because executives are risking personal capital.
| Date | Insider | Action | Shares | Price | Value |
|---|---|---|---|---|---|
| May 4, 2026 | Schenk Chris | Buy | 3K | $19.99 | $50K |
Quick answers to the most common questions about buying ASIC stock.
Based on Q1 2026 13F filings, institutional ownership of Ategrity Specialty Holdings LLC stands at 9.7%, held across 85 reporting institutions.
Nuveen, LLC is the largest reported institutional holder of ASIC, with approximately 712,071 shares worth $0.01B as of Q1 2026.
Yes — 4 widely-followed marquee investors appear among the top 25 institutional holders of ASIC, including TWO SIGMA INVESTMENTS, LP, MILLENNIUM MANAGEMENT LLC, JANE STREET GROUP, LLC, CITADEL ADVISORS LLC.
Our composite Smart Money Score for ASIC is 54 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
25 institutions opened new positions in ASIC during Q1 2026, while 17 fully exited. 34 added to existing positions and 26 trimmed.
ASIC institutional ownership fell by 1.16 percentage points quarter-over-quarter, with a net change of +8 holders.
The top 10 institutions account for 62.7% of all reported 13F value in ASIC, and the top 25 account for 88.7%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Ategrity Specialty Holdings LLC (ASIC) Institutional Ownership