Corcept Therapeutics Incorporated
Corcept Therapeutics Incorporated (CORT) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · CORT · as of Mar 31, 2025
Ownership Breakdown
461
Institutional Holders
▲ 68 vs Q4
$9.25B
Total Inst. Value
▲ $5.00B vs Q4
107.35M
Shares Outstanding
freeFloat 82.90%
83.24M
13F Shares Held
▼ 1.05M vs Q4
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
CORT largest shareholders · institutional ownership
Q1 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
BLACKROCK, INC. pharmaceutical preparations | 14.69M | 14.11% | 14.11% | $1.68T | May 2, 2025 | ▼ 988.9K |
VANGUARD GROUP INC pharmaceutical preparations | 9.98M | 9.59% | 9.59% | $1.14T | May 9, 2025 | ▼ 133.7K |
INGALLS & SNYDER LLC pharmaceutical preparations | 7.74M | 7.44% | 7.44% | $884.36B | May 12, 2025 | ▼ 357.2K |
RENAISSANCE TECHNOLOGIES LLC pharmaceutical preparations | 6.14M | 5.90% | 5.90% | $701.66B | May 14, 2025 | ▼ 55.6K |
PARALLEL ADVISORS, LLC pharmaceutical preparations | 3.97M | 3.82% | 3.82% | $219.65B | Apr 8, 2025 | ▲ 142.8K |
STATE STREET CORP pharmaceutical preparations | 3.40M | 3.27% | 3.27% | $388.57B | May 15, 2025 | ▼ 146.4K |
GEODE CAPITAL MANAGEMENT, LLC pharmaceutical preparations | 2.26M | 2.17% | 2.17% | $258.99B | May 13, 2025 | ▲ 191.9K |
DIMENSIONAL FUND ADVISORS LP pharmaceutical preparations | 2.14M | 2.05% | 2.05% | $243.71B | May 13, 2025 | ▲ 57.9K |
MORGAN STANLEY pharmaceutical preparations | 1.54M | 1.48% | 1.48% | $175.73B | May 15, 2025 | ▲ 277.1K |
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP pharmaceutical preparations | 1.49M | 1.43% | 1.43% | $170.44B | May 14, 2025 | ▼ 152.7K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q1 2025 vs prior quarter
Q1 2025
21
Increased
+3.60M shares4
New Positions
first time holders25
Decreased
−3.80M shares0
Sold Out
fully exitedNet shares change (top 50)
202.1K
+3.60M / −3.80M
Net new holders
+0
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
CORT 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.
26
Buy transactions
27
Sell transactions
0.96
Buy/Sell ratio
$2M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Guyer William Chief Development Officer | Jun 2, 2026 | Sale | 20,000 | $70.60 | $1.41M | 4.0K | Form 4 ↗ |
Lyon Joseph Douglas See Remarks | Jun 1, 2026 | Award | 537 | — | — | 7.3K | Form 4 ↗ |
Lyon Joseph Douglas See Remarks | Jun 2, 2026 | Tax Withhold | 269 | $70.44 | $18.9K | 7.0K | Form 4 ↗ |
Lyon Joseph Douglas See Remarks | Jun 1, 2026 | Award | 537 | $70.44 | $37.8K | 6.8K | Form 4 ↗ |
Guyer William Chief Development Officer | Jun 1, 2026 | Award | 877 | — | — | 4.0K | Form 4 ↗ |
Guyer William Chief Development Officer | Jun 1, 2026 | Award | 877 | $70.44 | $61.8K | 3.1K | Form 4 ↗ |
Maduck Sean See Remarks | Jun 1, 2026 | Sale | 21,069 | $70.11 | $1.48M | 12.9K | Form 4 ↗ |
Maduck Sean See Remarks | Jun 1, 2026 | Award | 615 | — | — | 10.2K | Form 4 ↗ |
Maduck Sean See Remarks | Jun 2, 2026 | Tax Withhold | 452 | $70.44 | $31.8K | 9.8K | Form 4 ↗ |
Maduck Sean See Remarks | Jun 1, 2026 | Award | 615 | $70.44 | $43.3K | 9.6K | 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
Corcept Therapeutics Incorporated (CORT) is primarily owned by institutional investors, who hold approximately 77.5% of total shares outstanding. Company insiders own approximately 17.10%, while retail and public investors account for the remaining 5.36%.
The largest institutional shareholder of Corcept Therapeutics Incorporated is BLACKROCK, INC., holding approximately 14.69 million shares — equal to 14.11% of outstanding shares — as of March 31, 2025.
A total of 461 institutional investors currently hold CORT stock, with a combined institutional value of approximately $9.25 billion as of the most recent 13F filing period.
Frequently asked questions
CORT ownershipCorcept Therapeutics Incorporated (CORT) is primarily owned by institutional investors, who hold approximately 77.5% of shares. The largest shareholder is BLACKROCK, INC. with a 14.11% stake. Company insiders hold 17.10%. Data sourced from SEC Form 13F as of March 31, 2025.