Select Medical Holdings Corporation
Select Medical Holdings Corporation (SEM) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · SEM · as of Sep 30, 2025
Ownership Breakdown
266
Institutional Holders
▲ 3 vs Q2
$1.29B
Total Inst. Value
▼ $236.71M vs Q2
124.01M
Shares Outstanding
freeFloat 85.83%
100.64M
13F Shares Held
▲ 36,065 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
SEM largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
BLACKROCK, INC. services-hospitals | 19.15M | 15.50% | 15.50% | $245.84B | Nov 12, 2025 | ▼ 370.3K |
PRICE T ROWE ASSOCIATES INC /MD/ services-hospitals | 15.92M | 12.89% | 12.89% | $204.43B | Nov 14, 2025 | ▼ 226.3K |
VANGUARD GROUP INC services-hospitals | 12.57M | 10.18% | 10.18% | $161.43B | Nov 7, 2025 | ▼ 354.8K |
DIMENSIONAL FUND ADVISORS LP services-hospitals | 5.20M | 4.21% | 4.21% | $66.73B | Nov 12, 2025 | ▲ 208.0K |
STATE STREET CORP services-hospitals | 4.39M | 3.55% | 3.55% | $56.35B | Nov 14, 2025 | ▲ 134.5K |
GEODE CAPITAL MANAGEMENT, LLC services-hospitals | 3.12M | 2.52% | 2.52% | $40.01B | Nov 12, 2025 | ▲ 80.8K |
T. ROWE PRICE INVESTMENT MANAGEMENT, INC. services-hospitals | 2.86M | 2.31% | 2.31% | $36.71B | Nov 14, 2025 | ▼ 741.7K |
PRINCIPAL FINANCIAL GROUP INC services-hospitals | 2.43M | 1.97% | 1.97% | $31.27B | Nov 4, 2025 | ▼ 489.8K |
D. E. SHAW & CO., INC. services-hospitals | 1.86M | 1.50% | 1.50% | $23.86B | Nov 14, 2025 | ▲ 1.11M |
BANK OF AMERICA CORP /DE/ services-hospitals | 1.67M | 1.35% | 1.35% | $21.49B | Feb 3, 2026 | ▲ 54.6K |
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
26
Increased
+5.63M shares4
New Positions
first time holders20
Decreased
−3.80M shares0
Sold Out
fully exitedNet shares change (top 50)
+1.82M
+5.63M / −3.80M
Net new holders
+10
4 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
SEM insider trading · insider activity
Source: SEC Form 4
1
Buy transactions
2
Sell transactions
0.50
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Breighner Robert G. JR SENIOR VICE PRESIDENT | May 4, 2026 | Tax Withhold | 1,330 | $16.44 | $21.9K | 34.7K | Form 4 ↗ |
CHERNOW DAVID S Vice Chairman | Apr 30, 2026 | Tax Withhold | 22,586 | $16.41 | $370.6K | 870.2K | Form 4 ↗ |
Frist William H. director | Apr 28, 2026 | Award | 1,094 | $16.45 | $18.0K | 306.3K | Form 4 ↗ |
Frist William H. director | Feb 11, 2026 | Award | 1,109 | $16.23 | $18.0K | 305.2K | Form 4 ↗ |
Duggan John F. Executive Vice President | Nov 1, 2025 | Tax Withhold | 4,865 | $13.83 | $67.3K | 194.7K | Form 4 ↗ |
Malatesta Michael F CHIEF FINANCIAL OFFICER | Nov 1, 2025 | Tax Withhold | 7,357 | $13.83 | $101.7K | 238.1K | Form 4 ↗ |
Duggan John F. Executive Vice President | Oct 28, 2025 | Award | 50,000 | — | — | 199.6K | Form 4 ↗ |
Frist William H. director | Oct 28, 2025 | Award | 1,266 | $14.22 | $18.0K | 304.1K | Form 4 ↗ |
Weigl Christopher CHIEF ACCOUNTING OFFICER | Oct 28, 2025 | Award | 20,000 | — | — | 54.3K | Form 4 ↗ |
Saich John A. EXECUTIVE VICE PRESIDENT | Aug 1, 2025 | Tax Withhold | 21,745 | $12.57 | $273.3K | 736.4K | 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
Select Medical Holdings Corporation (SEM) is primarily owned by institutional investors, who hold approximately 81.2% of total shares outstanding. Company insiders own approximately 14.17%, while retail and public investors account for the remaining 4.68%.
The largest institutional shareholder of Select Medical Holdings Corporation is BLACKROCK, INC., holding approximately 19.15 million shares — equal to 15.50% of outstanding shares — as of September 30, 2025.
A total of 266 institutional investors currently hold SEM stock, with a combined institutional value of approximately $1.29 billion as of the most recent 13F filing period.
Frequently asked questions
SEM ownershipSelect Medical Holdings Corporation (SEM) is primarily owned by institutional investors, who hold approximately 81.2% of shares. The largest shareholder is BLACKROCK, INC. with a 15.50% stake. Company insiders hold 14.17%. Data sourced from SEC Form 13F as of September 30, 2025.