Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in ACT held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 4.7M | $190.4M | +0.6% | 3.304% | 0.00% |
| 2 | DIMENSIONAL FUND ADVISORS LP | 3.0M | $122.5M | +4.0% | 2.127% | 0.03% |
| 3 | FIRST TRUST ADVISORS LP | 1.4M | $56.9M | +1.2% | 0.988% | 0.04% |
| 4 | Glendon Capital Management LP | 1.3M | $53.0M | 0.0% | 0.920% | 6.58% |
| 5 | STATE STREET CORP | 1.2M | $49.2M | +6.2% | 0.854% | 0.00% |
| 6 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 993K | $40.5M | -6.4% | 0.703% | 0.02% |
| 7 | AMERICAN CENTURY COMPANIES INC | 877K | $35.8M | +7.0% | 0.621% | 0.02% |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | 874K | $35.7M | +0.8% | 0.619% | 0.00% |
| 9 | Allianz Asset Management GmbH | 561K | $22.9M | +34.4% | 0.397% | 0.02% |
| 10 | MORGAN STANLEY | 515K | $21.0M | +63.9% | 0.364% | 0.00% |
| 11 | TWO SIGMA INVESTMENTS, LP | 504K | $20.6M | +37.1% | 0.357% | 0.02% |
| 12 | Invesco Ltd. | 466K | $19.0M | +50.5% | 0.330% | 0.00% |
| 13 | Bank of New York Mellon Corp | 402K | $16.4M | -3.9% | 0.285% | 0.00% |
| 14 | Nuveen, LLC | 401K | $16.4M | -12.8% | 0.284% | 0.00% |
| 15 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 392K | $16.0M | +2.7% | 0.278% | 0.00% |
| 16 | GOLDMAN SACHS GROUP INC | 342K | $14.0M | +100.6% | 0.242% | 0.00% |
| 17 | HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC | 342K | $14.0M | -3.5% | 0.242% | 0.04% |
| 18 | PRUDENTIAL FINANCIAL INC | 335K | $13.7M | +4.3% | 0.237% | 0.02% |
| 19 | NORTHERN TRUST CORP | 303K | $12.4M | +2.2% | 0.215% | 0.00% |
| 20 | DANSKE BANK A/S | 264K | $10.8M | — | 0.187% | 0.03% |
| 21 | ROYCE & ASSOCIATES LP | 262K | $10.7M | +0.4% | 0.186% | 0.11% |
| 22 | AQR CAPITAL MANAGEMENT LLC | 230K | $9.4M | +7.2% | 0.163% | 0.00% |
| 23 | BANK OF AMERICA CORP /DE/ | 223K | $9.1M | -9.9% | 0.158% | 0.00% |
| 24 | VICTORY CAPITAL MANAGEMENT INC | 215K | $8.8M | +540.3% | 0.152% | 0.01% |
| 25 | Livforsakringsbolaget Skandia, Omsesidigt | 111K | $8.6M | +122.4% | 0.079% | 0.33% |
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 ACT — a direct measure of their conviction.
Filings activity in ACT during Q1 2026, grouped by how each filer changed its position.
8 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 | 242 | +0.8% | 17.58% | 0.92 pp | $1.05B | 5.0% |
| Q4 2025 | 240 | +5.7% | 18.50% | 0.73 pp | $1.11B | 3.8% |
| Q3 2025 | 227 | 4.2% | 19.23% | +0.78 pp | $1.15B | +4.2% |
| Q2 2025 | 237 | +7.7% | 18.45% | +2.14 pp | $1.11B | +13% |
| Q1 2025 | 220 | +4.8% | 16.31% | +1.97 pp | $977M | +14% |
| Q4 2024 | 210 | +9.4% | 14.34% | 2.26 pp | $858M | 14% |
| Q3 2024 | 192 | +5.5% | 16.60% | +3.14 pp | $994M | +23% |
| Q2 2024 | 182 | — | 13.46% | — | $806M | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying ACT stock.
Based on Q1 2026 13F filings, institutional ownership of Enact Holdings, Inc. stands at 17.6%, held across 242 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of ACT, with approximately 4,664,889 shares worth $0.19B as of Q1 2026.
Yes — 1 widely-followed marquee investor appear among the top 25 institutional holders of ACT, including TWO SIGMA INVESTMENTS, LP.
Our composite Smart Money Score for ACT is 44 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
38 institutions opened new positions in ACT during Q1 2026, while 36 fully exited. 144 added to existing positions and 57 trimmed.
ACT institutional ownership fell by 0.92 percentage points quarter-over-quarter, with a net change of +2 holders.
The top 10 institutions account for 59.6% of all reported 13F value in ACT, and the top 25 account for 78.6%.
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.
Enact Holdings, Inc. (ACT) Institutional Ownership