Who owns Enact Holdings Inc.?
Institutional ownership of ACT from SEC Form 13F filings across 184 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
184
13F holders
$966.2M
value, 2026 filers
15.4%
of shares outstanding (21.5M sh)
25
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30· % of fund = share of the manager's own book · % of co. = share of ACT's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 4.8M | $218.5M | 0.0% | 3.4% | +2.5% |
| 2 | VANGUARD PORTFOLIO MANAGEMENT LLC | 1.8M | $80.4M | 0.0% | 1.3% | +1.0% |
| 3 | FIRST TRUST ADVISORS LP | 1.6M | $74.2M | 0.0% | 1.2% | +16.3% |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 1.2M | $57.0M | 0.0% | 0.9% | -3.7% |
| 5 | AMERICAN CENTURY COMPANIES INC | 965,683 | $44.1M | 0.0% | 0.7% | +10.2% |
| 6 | GEODE CAPITAL MANAGEMENT, LLC | 900,993 | $41.2M | 0.0% | 0.6% | +3.1% |
| 7 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 877,582 | $40.1M | 0.0% | 0.6% | -11.6% |
| 8 | Allianz Asset Management GmbH | 560,771 | $22.9M | 0.0% | 0.4% | 0.0% |
| 9 | MORGAN STANLEY | 555,883 | $25.4M | 0.0% | 0.4% | +8.0% |
| 10 | Invesco Ltd. | 509,405 | $23.3M | 0.0% | 0.4% | +9.4% |
| 11 | Bank of New York Mellon Corp | 403,051 | $18.4M | 0.0% | 0.3% | +0.2% |
| 12 | Sixth Street Partners Management Company, L.P.NEW | 398,297 | $18.2M | 3.1% | 0.3% | new |
| 13 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 398,297 | $18.2M | 0.0% | 0.3% | +1.6% |
| 14 | GOLDMAN SACHS GROUP INC | 363,370 | $16.6M | 0.0% | 0.3% | +6.3% |
| 15 | NORTHERN TRUST CORP | 315,848 | $14.4M | 0.0% | 0.2% | +4.2% |
| 16 | Public Sector Pension Investment Board | 308,912 | $14.1M | 0.0% | 0.2% | +106.0% |
| 17 | TWO SIGMA INVESTMENTS, LP | 275,029 | $12.6M | 0.0% | 0.2% | -45.5% |
| 18 | PRUDENTIAL FINANCIAL INC | 249,773 | $11.4M | 0.0% | 0.2% | -25.3% |
| 19 | JPMORGAN CHASE & CO | 236,760 | $10.8M | 0.0% | 0.2% | -5.7% |
| 20 | Connor, Clark & Lunn Investment Management Ltd. | 220,296 | $10.1M | 0.0% | 0.2% | +7.9% |
| 21 | DekaBank Deutsche Girozentrale | 217,575 | $8,842 | 0.0% | 0.2% | 0.0% |
| 22 | UBS Group AG | 211,953 | $9.7M | 0.0% | 0.2% | +40.0% |
| 23 | PRINCIPAL FINANCIAL GROUP INC | 203,093 | $9.3M | 0.0% | 0.1% | +0.1% |
| 24 | Nuveen, LLC | 194,640 | $8.9M | 0.0% | 0.1% | -51.5% |
| 25 | BANK OF AMERICA CORP /DE/ | 188,882 | $8.6M | 0.0% | 0.1% | -15.5% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.