| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. | 14% | $399,180,432 | 16,892,951 | BlackRock, Inc. | 31 Mar 2025 | |||
| STATE STREET CORP | 5.2% | $126,186,124 | 6,405,387 | STATE STREET CORPORATION | 30 Sep 2025 | |||
| Flynn James E | 2.6% | $74,033,050 | 3,133,011 | Deerfield Mgmt, L.P. | 31 Dec 2024 |
As of 31 Dec 2025, 369 institutional investors reported holding 103,868,246 shares of CATALYST PHARMACEUTICALS, INC. - COMMON STOCK (CPRX). This represents 84% of the company’s total 123,180,519 outstanding shares.
The largest institutional shareholders of CATALYST PHARMACEUTICALS, INC. - COMMON STOCK (CPRX) together control 61% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 15% | 18,626,781 | +2.3% | 0.01% | $434,749,068 |
| VANGUARD GROUP INC | 6.8% | 8,432,247 | -3.2% | 0% | $196,808,646 |
| STATE STREET CORP | 5.6% | 6,907,622 | +7.8% | 0.01% | $161,223,897 |
| DEERFIELD MANAGEMENT COMPANY, L.P. | 4% | 4,911,161 | -1.3% | 1.5% | $114,626,498 |
| Fundsmith LLP | 2.7% | 3,363,807 | 0% | 0.46% | $78,511,255 |
| AMERICAN CENTURY COMPANIES INC | 2.5% | 3,025,271 | +20% | 0.04% | $70,609,825 |
| DIMENSIONAL FUND ADVISORS LP | 2.4% | 2,996,297 | +22% | 0.01% | $69,932,608 |
| MORGAN STANLEY | 2.4% | 2,933,399 | +59% | 0% | $68,465,565 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.4% | 2,900,337 | +0.35% | 0% | $67,704,365 |
| RENAISSANCE TECHNOLOGIES LLC | 2.2% | 2,650,077 | -25% | 0.1% | $61,852,797 |
| BANK OF AMERICA CORP /DE/ | 1.8% | 2,199,842 | -4% | 0% | $51,344,312 |
| ROYCE & ASSOCIATES LP | 1.6% | 1,910,767 | -6.1% | 0.45% | $44,597,302 |
| JANUS HENDERSON GROUP PLC | 1.4% | 1,719,767 | +201% | 0.02% | $40,123,723 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 1.3% | 1,617,208 | +24% | 0.02% | $37,745,635 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.1% | 1,356,499 | +1.8% | 0% | $31,660,687 |
| Invesco Ltd. | 1.1% | 1,293,478 | +4.9% | 0% | $30,189,776 |
| Boston Partners | 1% | 1,231,372 | -4.6% | 0.03% | $28,539,969 |
| NORTHERN TRUST CORP | 0.98% | 1,211,973 | -4.1% | 0% | $28,287,449 |
| KENNEDY CAPITAL MANAGEMENT LLC | 0.98% | 1,209,692 | +14% | 0.6% | $28,234,211 |
| MILLENNIUM MANAGEMENT LLC | 0.81% | 993,647 | -16% | 0.02% | $23,191,721 |
| GOLDMAN SACHS GROUP INC | 0.8% | 979,543 | -2.7% | 0% | $22,862,534 |
| VICTORY CAPITAL MANAGEMENT INC | 0.72% | 884,605 | +112% | 0.01% | $20,646,681 |
| RAYMOND JAMES FINANCIAL INC | 0.68% | 841,914 | +8.9% | 0.01% | $19,624,682 |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | 0.63% | 778,591 | 0% | 0.03% | $18,172,000 |
| Legal & General Group Plc | 0.63% | 776,172 | +0.27% | 0% | $18,115,855 |
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 103,868,246 | $2,422,426,107 | +$5,254,019 | $23.34 | 369 |
| 2025 Q3 | 103,323,297 | $2,035,619,506 | +$33,916,547 | $19.70 | 357 |
| 2025 Q2 | 101,339,025 | $2,199,165,165 | +$74,610,948 | $21.70 | 360 |
| 2025 Q1 | 97,995,812 | $2,374,736,976 | +$45,703,179 | $24.25 | 365 |
| 2024 Q4 | 97,462,582 | $2,034,900,504 | +$38,258,566 | $20.87 | 333 |
| 2024 Q3 | 95,380,838 | $1,896,646,482 | -$35,292,712 | $19.88 | 312 |
| 2024 Q2 | 96,983,113 | $1,502,403,827 | +$11,987,767 | $15.49 | 269 |
| 2024 Q1 | 96,270,213 | $1,534,339,181 | +$191,142,132 | $15.94 | 268 |
| 2023 Q4 | 84,453,649 | $1,419,515,333 | +$62,962,605 | $16.81 | 259 |
| 2023 Q3 | 81,157,485 | $948,788,519 | -$23,397,502 | $11.69 | 254 |
| 2023 Q2 | 82,218,793 | $1,104,943,728 | -$95,298,712 | $13.44 | 243 |
| 2023 Q1 | 88,787,264 | $1,472,124,820 | +$71,196,268 | $16.58 | 256 |
| 2022 Q4 | 84,107,036 | $1,564,456,429 | -$12,268,287 | $18.60 | 252 |
| 2022 Q3 | 85,176,091 | $1,093,105,879 | +$187,635,691 | $12.83 | 220 |
| 2022 Q2 | 75,651,199 | $530,307,280 | +$37,811,777 | $7.01 | 175 |
| 2022 Q1 | 70,838,632 | $586,598,135 | +$41,265,648 | $8.29 | 181 |
| 2021 Q4 | 66,018,446 | $446,683,816 | +$3,690,649 | $6.77 | 160 |
| 2021 Q3 | 65,162,167 | $345,106,769 | -$2,224,745 | $5.30 | 138 |
| 2021 Q2 | 65,482,202 | $376,526,274 | -$10,746,528 | $5.75 | 137 |
| 2021 Q1 | 67,671,701 | $311,885,548 | +$10,809,324 | $4.61 | 130 |
| 2020 Q4 | 66,576,359 | $222,408,153 | -$12,651,094 | $3.34 | 131 |
| 2020 Q3 | 67,907,092 | $201,992,589 | +$603,491 | $2.97 | 140 |
| 2020 Q2 | 64,719,712 | $299,102,386 | -$2,974,113 | $4.62 | 138 |
| 2020 Q1 | 65,840,014 | $253,546,747 | +$11,634,204 | $3.85 | 128 |
| 2019 Q4 | 62,834,633 | $235,638,867 | -$30,765,313 | $3.75 | 127 |
| 2019 Q3 | 61,617,508 | $327,170,529 | +$8,126,558 | $5.31 | 117 |
| 2019 Q2 | 61,553,639 | $236,256,732 | -$4,762,099 | $3.84 | 99 |
| 2019 Q1 | 61,491,932 | $313,611,586 | +$64,665,968 | $5.10 | 87 |
| 2018 Q4 | 49,136,126 | $94,337,873 | -$22,145,979 | $1.92 | 85 |
| 2018 Q3 | 51,043,397 | $192,937,538 | -$11,273,654 | $3.78 | 96 |
| 2018 Q2 | 54,196,334 | $169,201,579 | +$2,782,969 | $3.12 | 98 |
| 2018 Q1 | 54,723,682 | $130,787,787 | -$11,120,389 | $2.39 | 97 |
| 2017 Q4 | 56,055,280 | $219,183,091 | +$80,363,139 | $3.91 | 105 |
| 2017 Q3 | 35,604,156 | $89,681,592 | +$4,372,606 | $2.52 | 77 |
| 2017 Q2 | 33,946,250 | $93,689,694 | +$24,746,037 | $2.76 | 68 |
| 2017 Q1 | 25,299,931 | $49,329,000 | +$4,788,629 | $1.95 | 51 |
| 2016 Q4 | 23,812,013 | $25,000,000 | +$512,936 | $1.05 | 51 |
| 2016 Q3 | 23,293,467 | $25,386,000 | -$1,705,125 | $1.09 | 46 |
| 2016 Q2 | 25,351,615 | $17,997,000 | -$12,327,656 | $0.71 | 57 |
| 2016 Q1 | 36,952,362 | $43,231,000 | -$15,825,279 | $1.17 | 73 |
| 2015 Q4 | 42,424,296 | $103,944,627 | -$6,424,568 | $2.45 | 86 |
| 2015 Q3 | 44,724,461 | $134,180,687 | +$3,442,159 | $3.00 | 88 |
| 2015 Q2 | 43,473,000 | $179,861,198 | +$18,861,290 | $4.13 | 86 |
| 2015 Q1 | 38,864,127 | $168,166,940 | +$54,418,957 | $4.33 | 64 |
| 2014 Q4 | 27,360,884 | $81,277,000 | +$8,330,747 | $2.97 | 49 |
| 2014 Q3 | 23,623,262 | $78,388,100 | +$8,077,982 | $3.32 | 51 |
| 2014 Q2 | 22,284,591 | $56,380,420 | +$29,950,485 | $2.53 | 46 |
| 2014 Q1 | 10,454,712 | $23,627,120 | +$2,788,485 | $2.26 | 36 |