| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. | 14% | $409,654,062 | 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% | $75,975,517 | 3,133,011 | Deerfield Mgmt, L.P. | 31 Dec 2024 |
As of 30 Sep 2025, 353 institutional investors reported holding 103,326,904 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 59% 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% | 18,216,060 | -3.6% | 0.01% | $358,856,382 |
| VANGUARD GROUP INC | 7.1% | 8,713,520 | -0.6% | 0% | $171,656,344 |
| STATE STREET CORP | 5.2% | 6,405,387 | +17% | 0% | $126,186,124 |
| DEERFIELD MANAGEMENT COMPANY, L.P. | 4% | 4,974,767 | +73% | 1.5% | $98,002,910 |
| RENAISSANCE TECHNOLOGIES LLC | 2.9% | 3,544,830 | +9% | 0.09% | $69,833,151 |
| Fundsmith LLP | 2.7% | 3,363,807 | +24% | 0.33% | $66,266,998 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.3% | 2,890,320 | +0.82% | 0% | $56,946,376 |
| AMERICAN CENTURY COMPANIES INC | 2.1% | 2,528,186 | +44% | 0.03% | $49,805,264 |
| DIMENSIONAL FUND ADVISORS LP | 2% | 2,458,169 | +29% | 0.01% | $48,424,317 |
| BANK OF AMERICA CORP /DE/ | 1.9% | 2,291,414 | -3.1% | 0% | $45,140,856 |
| ROYCE & ASSOCIATES LP | 1.7% | 2,034,965 | +29% | 0.4% | $40,088,810 |
| MORGAN STANLEY | 1.5% | 1,843,624 | -42% | 0% | $36,319,427 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.1% | 1,331,990 | -7.3% | 0% | $26,240,203 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 1.1% | 1,304,774 | +6.6% | 0.02% | $25,704,048 |
| Boston Partners | 1% | 1,291,059 | +0.65% | 0.03% | $25,576,819 |
| NORTHERN TRUST CORP | 1% | 1,263,888 | -0.88% | 0% | $24,898,594 |
| Invesco Ltd. | 1% | 1,233,257 | +1.6% | 0% | $24,295,163 |
| MILLENNIUM MANAGEMENT LLC | 0.96% | 1,179,182 | +174% | 0.02% | $23,229,885 |
| KENNEDY CAPITAL MANAGEMENT LLC | 0.86% | 1,060,207 | +5% | 0.46% | $20,886,078 |
| GOLDMAN SACHS GROUP INC | 0.82% | 1,007,235 | -58% | 0% | $19,842,530 |
| Qube Research & Technologies Ltd | 0.67% | 821,202 | -19% | 0.02% | $16,177,679 |
| Allianz Asset Management GmbH | 0.65% | 797,948 | -23% | 0.02% | $15,719,575 |
| Legal & General Group Plc | 0.63% | 774,104 | +17% | 0% | $15,249,849 |
| RAYMOND JAMES FINANCIAL INC | 0.63% | 773,330 | -8.5% | 0% | $15,234,600 |
| MACQUARIE GROUP LTD | 0.62% | 761,740 | -16% | 0.02% | $15,006,000 |
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 550,238 | $12,820,145 | -$4,515,267 | $23.34 | 18 |
| 2025 Q3 | 103,326,904 | $2,035,690,287 | +$32,888,064 | $19.70 | 353 |
| 2025 Q2 | 101,339,025 | $2,199,165,165 | +$74,610,963 | $21.70 | 360 |
| 2025 Q1 | 97,918,497 | $2,372,862,063 | +$45,703,211 | $24.25 | 364 |
| 2024 Q4 | 97,471,722 | $2,035,073,296 | +$40,623,932 | $20.87 | 333 |
| 2024 Q3 | 95,275,856 | $1,894,559,103 | -$37,283,082 | $19.88 | 310 |
| 2024 Q2 | 96,978,257 | $1,502,328,440 | +$14,034,151 | $15.49 | 268 |
| 2024 Q1 | 96,136,731 | $1,532,211,013 | +$191,772,043 | $15.94 | 267 |
| 2023 Q4 | 104,057 | $1,749,197 | +$537,611 | $16.81 | 2 |
| 2023 Q3 | 81,144,515 | $948,637,092 | -$23,676,606 | $11.69 | 252 |
| 2023 Q2 | 82,204,789 | $1,104,755,817 | -$95,343,724 | $13.44 | 241 |
| 2023 Q1 | 88,776,605 | $1,471,947,983 | +$71,018,451 | $16.58 | 255 |
| 2022 Q4 | 84,019,695 | $1,562,831,949 | -$9,963,436 | $18.60 | 250 |
| 2022 Q3 | 82,060,318 | $1,053,130,229 | +$184,594,540 | $12.83 | 215 |
| 2022 Q2 | 73,788,241 | $515,112,317 | +$38,277,838 | $7.01 | 170 |
| 2022 Q1 | 67,694,364 | $560,532,235 | +$34,540,737 | $8.29 | 176 |
| 2021 Q4 | 65,286,045 | $441,726,116 | +$3,777,607 | $6.77 | 157 |
| 2021 Q3 | 65,091,816 | $344,734,769 | -$1,801,558 | $5.30 | 138 |
| 2021 Q2 | 65,333,492 | $375,670,274 | -$10,223,010 | $5.75 | 136 |
| 2021 Q1 | 67,605,040 | $311,553,548 | +$11,296,646 | $4.61 | 131 |
| 2020 Q4 | 66,575,924 | $222,407,153 | -$12,653,106 | $3.34 | 130 |
| 2020 Q3 | 67,876,876 | $201,902,589 | +$814,375 | $2.97 | 138 |
| 2020 Q2 | 64,700,863 | $299,014,386 | -$2,996,620 | $4.62 | 136 |
| 2020 Q1 | 63,114,322 | $243,054,747 | +$12,187,536 | $3.85 | 126 |
| 2019 Q4 | 59,965,370 | $224,879,867 | -$31,610,750 | $3.75 | 125 |
| 2019 Q3 | 61,530,428 | $326,708,529 | +$8,441,046 | $5.31 | 114 |
| 2019 Q2 | 61,540,743 | $236,207,732 | -$4,805,094 | $3.84 | 98 |
| 2019 Q1 | 61,470,723 | $313,502,586 | +$64,060,074 | $5.10 | 86 |
| 2018 Q4 | 49,060,631 | $94,190,873 | -$22,033,163 | $1.92 | 83 |
| 2018 Q3 | 50,975,221 | $192,678,979 | -$11,367,823 | $3.78 | 94 |
| 2018 Q2 | 53,974,837 | $168,510,308 | +$2,659,913 | $3.12 | 96 |
| 2018 Q1 | 54,698,746 | $130,727,787 | -$11,122,642 | $2.39 | 96 |
| 2017 Q4 | 56,054,705 | $219,181,091 | +$80,358,817 | $3.91 | 105 |
| 2017 Q3 | 35,588,895 | $89,643,592 | +$4,335,637 | $2.52 | 76 |
| 2017 Q2 | 33,945,750 | $93,688,694 | +$24,746,005 | $2.76 | 67 |
| 2017 Q1 | 25,299,931 | $49,329,000 | +$4,787,402 | $1.95 | 51 |
| 2016 Q4 | 23,799,664 | $24,987,000 | +$503,038 | $1.05 | 49 |
| 2016 Q3 | 23,292,967 | $25,385,000 | -$1,706,152 | $1.09 | 45 |
| 2016 Q2 | 25,350,615 | $17,996,000 | -$12,323,957 | $0.71 | 56 |
| 2016 Q1 | 36,943,249 | $43,220,000 | -$15,831,739 | $1.17 | 70 |
| 2015 Q4 | 42,339,667 | $103,736,627 | -$6,355,335 | $2.45 | 84 |
| 2015 Q3 | 44,724,461 | $134,180,687 | +$1,578,214 | $3.00 | 88 |
| 2015 Q2 | 43,330,677 | $179,273,198 | +$18,554,847 | $4.13 | 85 |
| 2015 Q1 | 38,780,695 | $167,805,940 | +$54,522,050 | $4.33 | 64 |
| 2014 Q4 | 27,154,228 | $80,663,000 | +$8,338,316 | $2.97 | 48 |
| 2014 Q3 | 23,503,530 | $78,031,100 | +$8,079,220 | $3.32 | 51 |
| 2014 Q2 | 22,164,659 | $56,076,420 | +$29,949,473 | $2.53 | 45 |
| 2014 Q1 | 10,334,980 | $23,356,120 | +$2,871,461 | $2.26 | 35 |