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Equibles

CPRX

Catalyst Pharmaceuticals, Inc.

Company with tickers: CPRX

CIK
1369568
CUSIP
14888U101
Shares Outstanding
122,419,767
13F Activity (30d)
213 filings 207 filers

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 379
Total Value: $2,587,135,999
Total Shares: 104,488,540
Showing 1–100 of 387 holdings by value · page 1 of 4

Institutional Ownership Trend

25 quarters

Superinvestors Holding CPRX

All superinvestors →
Terry Smith $20,919,402 Joel Greenblatt $1,519,545

Holder Concentration

Across 379 13F filers · Δ vs Dec 31, 2025
Top Holder
18.0%
Jun 2023 → Mar 2026 · range 11.6% – 20.0%
+0.1 pts
Top 5
37.2%
Jun 2023 → Mar 2026 · range 33.2% – 52.2%
−3.4 pts
Top 10
51.1%
Jun 2023 → Mar 2026 · range 45.9% – 60.8%
−3.4 pts
HHI
497
Jun 2023 → Mar 2026 · range 331 – 724
Broadly held−38

Quarterly Activity

vs Dec 31, 2025
New
56
Increased
147
Decreased
119
Sold Out
51
Unchanged
57
Holder count: +5
Institutional value: +6.5%
Shares held: +0.4%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open
Mega AMERICAN CENTURY COMPANIES INC +1,113,145 4,138,416
Mega BANK OF AMERICA CORP /DE/ +836,704 3,036,546
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP +740,708 962,320
Large Boston Partners +480,201 1,711,573
Mega DIMENSIONAL FUND ADVISORS LP +433,318 3,429,615

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open
Large Fundsmith LLP −2,518,920 844,887
Mid DEERFIELD MANAGEMENT COMPANY, L.P. −967,561 3,943,600
Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP −661,893 955,315
Mega Invesco Ltd. −540,639 752,839
Large MetLife Investment Management, LLC −528,163 65,910

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Mega VANGUARD CAPITAL MANAGEMENT LLC 5,122,666 $126,837,210
Mega VANGUARD PORTFOLIO MANAGEMENT LLC 2,475,467 $61,292,562
Mega VANGUARD FIDUCIARY TRUST CO 802,631 $19,873,143
Large Clark Capital Management Group, Inc. 568,676 $14,080,417
Mid IMC-Chicago, LLC 563,670 $13,956,469

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Mega VANGUARD GROUP INC 8,432,247 $196,808,641
Mid Pacer Advisors, Inc. 393,733 $9,189,728
Mid Eversept Partners, LP 358,168 $8,359,641
Large Brandywine Global Investment Management, LLC 300,116 $7,004,707
Mid Skandinaviska Enskilda Banken AB (publ) 263,353 $6,146,659
Filter: New 56 Increased 147 Reduced 119 Sold out 51 Unchanged 57
Showing 100 of 387
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
Mega BlackRock, Inc. $464,857,354 17.97% 18,774,530
Mega STATE STREET CORP $169,929,365 6.57% 6,863,060
Mega VANGUARD CAPITAL MANAGEMENT LLC $126,837,210 4.90% 5,122,666
Mega AMERICAN CENTURY COMPANIES INC $102,467,180 3.96% 4,138,416
Mid DEERFIELD MANAGEMENT COMPANY, L.P. $97,643,536 3.77% 3,943,600
Mega DIMENSIONAL FUND ADVISORS LP $84,917,266 3.28% 3,429,615
Mega BANK OF AMERICA CORP /DE/ Bank $75,184,876 2.91% 3,036,546
Mega GEODE CAPITAL MANAGEMENT, LLC $73,596,672 2.84% 2,972,402
Mega MORGAN STANLEY $66,537,519 2.57% 2,687,299
Mega VANGUARD PORTFOLIO MANAGEMENT LLC $61,292,562 2.37% 2,475,467
Large RENAISSANCE TECHNOLOGIES LLC $58,123,530 2.25% 2,347,477
Mid ROYCE & ASSOCIATES LP $51,746,072 2.00% 2,089,906
Mega JANUS HENDERSON GROUP PLC $49,492,144 1.91% 1,998,875
Large Boston Partners $42,378,546 1.64% 1,711,573
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC $35,402,887 1.37% 1,429,842
Mega NORTHERN TRUST CORP Bank $30,646,736 1.18% 1,237,752
Mid KENNEDY CAPITAL MANAGEMENT LLC $29,702,046 1.15% 1,199,598
Mega UBS Group AG $24,415,587 0.94% 986,090
Mega GOLDMAN SACHS GROUP INC $24,382,012 0.94% 984,734
Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP $23,653,599 0.91% 955,315
Mega RAYMOND JAMES FINANCIAL INC $22,034,913 0.85% 889,940
Mega VICTORY CAPITAL MANAGEMENT INC $21,457,610 0.83% 866,624
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $21,115,823 0.82% 852,820
Large Fundsmith LLP $20,919,402 0.81% 844,887
Mega VANGUARD FIDUCIARY TRUST CO Bank $19,873,143 0.77% 802,631
Mid OBERWEIS ASSET MANAGEMENT INC/ $19,326,913 0.75% 780,570
Mega PRICE T ROWE ASSOCIATES INC /MD/ $19,150,522 0.74% 773,446
Mega MILLENNIUM MANAGEMENT LLC $18,990,697 0.73% 766,991
Mega Invesco Ltd. $18,640,291 0.72% 752,839
Large NOMURA ASSET MANAGEMENT INTERNATIONAL INC. $18,523,055 0.72% 748,104
Mid SYSTEMATIC FINANCIAL MANAGEMENT LP $18,508,470 0.72% 747,515
Large FEDERATED HERMES, INC. $18,329,753 0.71% 740,297
Mega Bank of New York Mellon Corp Bank $16,893,470 0.65% 682,289
Mega PRINCIPAL FINANCIAL GROUP INC $16,737,288 0.65% 675,981
Large Swedbank AB Bank $15,255,428 0.59% 616,132
Large LSV ASSET MANAGEMENT $15,091,220 0.58% 609,500
Large VOYA INVESTMENT MANAGEMENT LLC $14,605,328 0.56% 589,876
Mega CITADEL ADVISORS LLC $14,387,862 0.56% 581,093
Large Clark Capital Management Group, Inc. $14,080,417 0.54% 568,676
Large GLENMEDE TRUST CO NA Bank $13,999,896 0.54% 565,424
Mid IMC-Chicago, LLC $13,956,469 0.54% 563,670
Mega JANE STREET GROUP, LLC $13,499,820 0.52% 545,227
Large Public Sector Pension Investment Board Pension $13,032,401 0.50% 526,349
Large WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC $11,861,055 0.46% 479,041
Mega JPMORGAN CHASE & CO $11,558,460 0.45% 466,820
Small GLOBEFLEX CAPITAL L P $11,156,360 0.43% 450,580
Mid RENAISSANCE GROUP LLC $11,023,523 0.43% 445,215
Large Point72 Asset Management, L.P. $10,544,417 0.41% 425,865
Small GABLES CAPITAL MANAGEMENT INC. $10,512,625 0.41% 424,581
Mega Nuveen, LLC $10,387,017 0.40% 419,508
Mega FRANKLIN RESOURCES INC $10,317,341 0.40% 416,694
Large Qube Research & Technologies Ltd $10,217,610 0.39% 412,666
Small JW Asset Management, LLC $9,616,585 0.37% 388,392
Small Advisors Preferred, LLC $9,438,091 0.36% 381,183
Large Allianz Asset Management GmbH $9,235,207 0.36% 372,989
Mega FIRST TRUST ADVISORS LP $8,573,001 0.33% 346,244
Mega RHUMBLINE ADVISERS $7,564,675 0.29% 305,520
Large Aberdeen Group plc $7,366,396 0.28% 297,512
Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC $6,954,807 0.27% 280,889
Mega FMR LLC $6,853,023 0.26% 276,778
Large JUPITER ASSET MANAGEMENT LTD $6,794,614 0.26% 274,419
Mega Legal & General Group Plc $6,681,905 0.26% 269,867
Mega AMERIPRISE FINANCIAL INC $6,172,791 0.24% 249,305
Mega Swiss National Bank Bank $5,677,468 0.22% 229,300
Mega AQR CAPITAL MANAGEMENT LLC $5,653,969 0.22% 228,351
Large SEB Asset Management AB $5,563,695 0.22% 224,705
Large Trexquant Investment LP $5,527,719 0.21% 223,252
Large STIFEL FINANCIAL CORP $5,376,657 0.21% 217,151
Small THIRD AVENUE MANAGEMENT LLC $5,203,586 0.20% 210,161
Large MARSHALL WACE, LLP $4,996,939 0.19% 201,815
Large DekaBank Deutsche Girozentrale Bank $4,540,389 0.18% 183,376
Mid Advisors Asset Management, Inc. $4,399,926 0.17% 177,703
Mid Moran Wealth Management, LLC $4,183,474 0.16% 168,961
Mid Linden Thomas Advisory Services, LLC $4,050,513 0.16% 163,591
Mega DEUTSCHE BANK AG\ Bank $4,029,886 0.16% 162,758
Large SG Americas Securities, LLC Broker-Dealer $4,000,027 0.15% 161,552
Large Assenagon Asset Management S.A. $3,976,827 0.15% 160,615
Small Bridge City Capital, LLC $3,854,859 0.15% 155,689
Mega ROYAL BANK OF CANADA Bank $3,842,898 0.15% 155,206
Small Stanley-Laman Group, Ltd. $3,838,319 0.15% 155,021
Large NEW YORK STATE TEACHERS RETIREMENT SYSTEM Pension $3,547,092 0.14% 143,259
Large PRUDENTIAL FINANCIAL INC $3,528,399 0.14% 142,504
Large Universal- Beteiligungs- und Servicegesellschaft mbH $3,524,858 0.14% 142,361
Large CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM Pension $3,484,128 0.13% 140,716
Mid MARTINGALE ASSET MANAGEMENT L P $3,454,886 0.13% 139,535
Large BESSEMER GROUP INC $3,440,426 0.13% 138,951
Mid SEGALL BRYANT & HAMILL, LLC $3,431,364 0.13% 138,585
Large Creative Planning $3,322,866 0.13% 134,203
Large LOS ANGELES CAPITAL MANAGEMENT LLC $3,079,079 0.12% 124,357
Large Rafferty Asset Management, LLC $2,989,324 0.12% 120,732
Small Knott David M Jr $2,971,200 0.11% 120,000
Mega ALLIANCEBERNSTEIN L.P. $2,966,743 0.11% 119,820
Mega ENVESTNET ASSET MANAGEMENT INC $2,936,536 0.11% 118,600
Mid Cyndeo Wealth Partners, LLC $2,932,673 0.11% 118,444
Large STATE OF WISCONSIN INVESTMENT BOARD $2,904,248 0.11% 117,296
Large Allspring Global Investments Holdings, LLC $2,899,098 0.11% 117,088
Small CLARK ESTATES INC/NY $2,820,609 0.11% 113,918
Micro TANAKA CAPITAL MANAGEMENT INC $2,808,229 0.11% 113,418
Mega LPL Financial LLC $2,663,829 0.10% 107,586
Large Russell Investments Group, Ltd. $2,658,529 0.10% 107,372

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