Latest Period
Q2 2026
Security Snapshot
SELECT MEDICAL HOLDINGS CORPORATION - Common Stock, par value $0.001 per share (SEM) Institutional Ownership
CUSIP: 81619Q105
13F Institutional Holders and Ownership History from Q1 2014 to Q2 2026
Institutions Reporting
239
Shares (Excl. Options)
89,084,129
Price
$16.51
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- Security type / class
- Equity / Common Stock, par value $0.001 per share
- Symbol
- SEM
- All holders as of 30 Jun 2026
- Q2 2026
- Total 13F shares
- 89,084,129
- Total 13F value
- $1,470,819,362
- Portfolio coverage rank
- 0%
- Share change
- -8,860,671
- Value change
- -$140,878,867
- Number of holders
- 239
- Shares outstanding
- 123,922,364
- SEC-reported price per share
- $16.51
- Insider filing price
- $16.51
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- SEM - SELECT MEDICAL HOLDINGS CORPORATION - Common Stock, par value $0.001 per share is tracked under CUSIP 81619Q105.
- 239 institutions reported positions in Q2 2026.
- 5 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 276 to 239 between Q1 2026 and Q2 2026.
- SEC-reported value moved from $1,595,860,652 to $1,470,819,362.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 239 institutions filings for Q2 2026.
Security key
81619Q105
Latest holder period
Q2 2026
13F holders
239
13D/G owners
5
CIK / CUSIP context first
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 81619Q105:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
5
Security
SEM
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. | 9.9% | -21% | $203,404,950 | -$61,005,655 | 12,320,106 | -23% | BlackRock, Inc. | 30 Jun 2026 |
| GLAZER CAPITAL, LLC | 8.7% | +69% | $177,384,579 | +$70,633,792 | 10,744,069 | +66% | Glazer Capital, LLC | 30 Jun 2026 |
| ORTENZIO ROCCO A | 3.2% | $75,214,976 | 4,085,550 | Estate of Rocco A. Ortenzio | 31 Dec 2024 | |||
| PRICE T ROWE ASSOCIATES INC /MD/ | 0.1% | $2,690,196 | 165,144 | T. Rowe Price Associates, Inc. | 31 Mar 2026 | |||
| VANGUARD PORTFOLIO MANAGEMENT LLC | 0% | -109% | $35,232 | -$111,653,085 | 2,134 | -100% | Vanguard Portfolio Management | 30 Jun 2026 |
As of 30 Jun 2026, 239 institutional investors reported holding 89,084,129 shares of SELECT MEDICAL HOLDINGS CORPORATION - Common Stock, par value $0.001 per share (SEM). This represents 72% of the company’s total 123,922,364 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
63%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 11% | 13,073,640 | -24% | 0% | $215,845,792 |
| Verition Fund Management LLC | 9.7% | 12,025,235 | 1.4% | $198,536,630 | |
| GLAZER CAPITAL, LLC | 8.7% | 10,744,069 | +163% | 4.4% | $177,277,000 |
| DIMENSIONAL FUND ADVISORS LP | 4.5% | 5,518,861 | -0.32% | 0.02% | $91,116,601 |
| TWO SIGMA INVESTMENTS, LP | 4% | 4,943,691 | +1181% | 0.06% | $81,620,338 |
| WELLS FARGO & COMPANY/MN | 3.6% | 4,506,456 | +10274% | 0.01% | $74,401,592 |
| AQR Arbitrage LLC | 2.3% | 2,880,889 | +60% | 0.68% | $47,563,477 |
| MILLENNIUM MANAGEMENT LLC | 2.2% | 2,754,016 | +223% | 0.03% | $45,468,804 |
| Decagon Asset Management LLP | 2.2% | 2,715,536 | 8.9% | $44,833,499 | |
| Polar Asset Management Partners Inc. | 1.9% | 2,362,979 | +69% | 0.72% | $39,012,783 |
| HSBC HOLDINGS PLC | 1.8% | 2,246,658 | +0.07% | 0.02% | $37,136,999 |
| Balyasny Asset Management L.P. | 1.3% | 1,623,940 | +79% | 0.05% | $26,811,249 |
| STATE STREET CORP | 1.2% | 1,493,609 | -65% | 0% | $24,659,485 |
| GEODE CAPITAL MANAGEMENT, LLC | 1.2% | 1,450,063 | -46% | 0% | $23,978,636 |
| ALPINE ASSOCIATES MANAGEMENT INC. | 1.1% | 1,304,404 | +11% | 1.3% | $21,535,710 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 1% | 1,289,169 | +144% | 0.01% | $21,284,180 |
| ODDO BHF ASSET MANAGEMENT SAS | 0.97% | 1,205,000 | 0.93% | $19,882,500 | |
| NORTHERN TRUST CORP | 0.88% | 1,093,051 | -20% | 0% | $18,046,272 |
| Westchester Capital Management, LLC | 0.79% | 983,315 | 0.82% | $16,234,531 | |
| GOLDMAN SACHS GROUP INC | 0.7% | 871,540 | -58% | 0% | $14,389,129 |
| Woodline Partners LP | 0.69% | 860,622 | -30% | 0.04% | $14,208,869 |
| D. E. Shaw & Co., Inc. | 0.64% | 798,290 | -41% | 0.01% | $13,179,768 |
| Qube Research & Technologies Ltd | 0.62% | 772,843 | -48% | 0.01% | $12,759,638 |
| MORGAN STANLEY | 0.41% | 511,407 | -40% | 0% | $8,443,361 |
| HRT FINANCIAL LP | 0.39% | 478,462 | +200% | 0.01% | $7,899,000 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
50
Latest
Q2 2026
Rows shown
1-25 of 50
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q2 | 89,084,129 | $1,470,819,362 | -$140,878,867 | $16.51 | 239 |
| 2026 Q1 | 97,977,960 | $1,595,860,652 | -$24,239,874 | $16.29 | 276 |
| 2025 Q4 | 100,363,471 | $1,490,463,811 | -$1,102,465 | $14.85 | 267 |
| 2025 Q3 | 100,630,018 | $1,292,290,678 | -$3,943,549 | $12.84 | 264 |
| 2025 Q2 | 100,467,489 | $1,525,083,959 | -$89,875,058 | $15.18 | 261 |
| 2025 Q1 | 106,587,834 | $1,780,162,120 | +$14,970,670 | $16.70 | 272 |
| 2024 Q4 | 105,388,891 | $1,986,844,341 | +$42,067,914 | $18.85 | 269 |
| 2024 Q3 | 99,334,828 | $3,463,519,440 | -$26,081,324 | $34.87 | 282 |
| 2024 Q2 | 99,618,759 | $3,492,995,625 | +$18,268,271 | $35.06 | 256 |
| 2024 Q1 | 99,503,977 | $3,006,124,893 | +$69,182,933 | $30.15 | 250 |
| 2023 Q4 | 98,119,502 | $2,306,204,585 | +$18,779,961 | $23.50 | 244 |
| 2023 Q3 | 97,233,591 | $2,456,859,968 | -$48,424,716 | $25.27 | 245 |
| 2023 Q2 | 99,025,471 | $3,154,155,784 | -$116,781,236 | $31.86 | 222 |
| 2023 Q1 | 102,689,349 | $2,654,415,315 | +$18,749,371 | $25.85 | 212 |
| 2022 Q4 | 102,397,663 | $2,542,784,716 | +$25,549,153 | $24.83 | 208 |
| 2022 Q3 | 101,488,474 | $2,243,068,480 | -$120,566,916 | $22.10 | 206 |
| 2022 Q2 | 100,041,374 | $2,363,545,334 | -$68,482,910 | $23.62 | 200 |
| 2022 Q1 | 103,694,537 | $2,489,447,256 | -$2,180,923 | $23.99 | 226 |
| 2021 Q4 | 103,029,624 | $3,030,122,771 | -$40,766,909 | $29.40 | 232 |
| 2021 Q3 | 103,646,590 | $3,748,783,650 | -$51,370,789 | $36.17 | 241 |
| 2021 Q2 | 104,705,394 | $4,424,067,823 | +$58,675,339 | $42.26 | 260 |
| 2021 Q1 | 103,635,773 | $3,534,318,747 | +$28,753,506 | $34.10 | 250 |
| 2020 Q4 | 102,783,972 | $2,843,553,415 | +$31,305,197 | $27.66 | 203 |
| 2020 Q3 | 101,854,148 | $2,120,291,076 | -$5,114,389 | $20.82 | 187 |
| 2020 Q2 | 102,176,554 | $1,504,986,527 | -$14,643,588 | $14.73 | 197 |