
Enact Holdings, Inc.
Enact Holdings, Inc. (ACT) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · ACT · as of Sep 30, 2025
Ownership Breakdown
231
Institutional Holders
▼ 13 vs Q2
$1.22B
Total Inst. Value
▲ $64.25M vs Q2
139.60M
Shares Outstanding
freeFloat 19.95%
31.34M
13F Shares Held
▲ 310,885 vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
ACT largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
BLACKROCK, INC. insurance agents, brokers & service | 4.60M | 3.07% | 3.07% | $176.47B | Nov 12, 2025 | ▲ 44.1K |
VANGUARD GROUP INC insurance agents, brokers & service | 3.23M | 2.16% | 2.16% | $124.01B | Nov 7, 2025 | ▼ 66.2K |
DIMENSIONAL FUND ADVISORS LP insurance agents, brokers & service | 2.79M | 1.86% | 1.86% | $107.03B | Nov 12, 2025 | ▲ 184.8K |
FIRST TRUST ADVISORS LP insurance agents, brokers & service | 1.45M | 96.73% | 96.73% | $55.61B | Nov 12, 2025 | ▲ 678.3K |
QUBE RESEARCH & TECHNOLOGIES LTD insurance agents, brokers & service | 1.45M | 96.65% | 96.65% | $70.85B | Nov 14, 2025 | ▲ 1.08M |
GLENDON CAPITAL MANAGEMENT LP insurance agents, brokers & service | 1.30M | 86.62% | 86.62% | $49.79B | Nov 12, 2025 | — held |
STATE STREET CORP insurance agents, brokers & service | 1.18M | 78.87% | 78.87% | $45.34B | Nov 14, 2025 | ▲ 33.9K |
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP insurance agents, brokers & service | 1.08M | 71.73% | 71.73% | $41.24B | Nov 13, 2025 | ▼ 79.7K |
GEODE CAPITAL MANAGEMENT, LLC insurance agents, brokers & service | 876.4K | 58.45% | 58.45% | $33.60B | Nov 12, 2025 | ▲ 11.6K |
LSV ASSET MANAGEMENT insurance agents, brokers & service | 857.3K | 57.17% | 57.17% | $32.87B | Nov 6, 2025 | ▲ 474.6K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
24
Increased
+3.15M shares2
New Positions
first time holders21
Decreased
−2.14M shares0
Sold Out
fully exitedNet shares change (top 50)
+1.01M
+3.15M / −2.14M
Net new holders
+5
2 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
ACT insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
10
Buy transactions
5
Sell transactions
2.00
Buy/Sell ratio
$1M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Addesso Dominic James Chairperson of the Board | Jun 3, 2026 | Gift | 9,293 | — | — | 9.3K | Form 4 ↗ |
Addesso Dominic James Chairperson of the Board | Jun 3, 2026 | Gift | 9,293 | — | — | 6.7K | Form 4 ↗ |
Genworth Holdings, Inc. 10 percent owner | May 29, 2026 | Sale | 602,440 | $42.91 | $25.85M | 112.21M | Form 4 ↗ |
Mitchell H Elizabeth director | May 13, 2026 | Award | 3,939.791 | — | — | 9.7K | Form 4 ↗ |
Hooda Sheila director | May 13, 2026 | Award | 3,939.791 | — | — | 34.6K | Form 4 ↗ |
THOMPSON WESTLEY V director | May 13, 2026 | Award | 3,939.791 | — | — | 34.6K | Form 4 ↗ |
STILL DEBRA director | May 13, 2026 | Award | 3,939.791 | — | — | 34.6K | Form 4 ↗ |
Addesso Dominic James Chairperson of the Board | May 13, 2026 | Award | 6,720.82 | — | — | 16.0K | Form 4 ↗ |
FISK JOHN D director | May 13, 2026 | Award | 3,939.791 | — | — | 34.6K | Form 4 ↗ |
BLESS MICHAEL A director | May 13, 2026 | Award | 3,939.791 | — | — | 30.6K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Enact Holdings, Inc. (ACT) is primarily owned by institutional investors, who hold approximately 22.4% of total shares outstanding. Company insiders own approximately 80.05%, while retail and public investors account for the remaining 0.00%.
The largest institutional shareholder of Enact Holdings, Inc. is BLACKROCK, INC., holding approximately 4.60 million shares — equal to 3.07% of outstanding shares — as of September 30, 2025.
A total of 231 institutional investors currently hold ACT stock, with a combined institutional value of approximately $1.22 billion as of the most recent 13F filing period.
Frequently asked questions
ACT ownershipEnact Holdings, Inc. (ACT) is primarily owned by institutional investors, who hold approximately 22.4% of shares. The largest shareholder is BLACKROCK, INC. with a 3.07% stake. Company insiders hold 80.05%. Data sourced from SEC Form 13F as of September 30, 2025.