# CATALYST PHARMACEUTICALS INC COM

CATALYST PHARMACEUTICALS INC COM is a security (CUSIP 14888U101) tracked across SEC portfolio filings. 398 institutional managers reported $2.7B on Form 13F as of 2026-06-30; 27 registered fund positions totaling $150.0M via N-PORT as of 2026-05-31.

## Summary

- Issuer: CATALYST PHARMACEUTICALS INC
- Class: COM
- CUSIP: 14888U101
- Asset category: EC
- 13F holders: 398
- 13F value: $2.7B
- 13F period: 2026-06-30
- N-PORT fund positions: 27
- N-PORT value: $150.0M
- N-PORT report: 2026-05-31

## Top institutional holders (Form 13F)

_Showing 15 of 398 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| BlackRock, Inc. | New York, NY | $602.2M | 19,158,785 |
| STATE STREET CORP | BOSTON, MA | $239.7M | 7,627,036 |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | Valley Forge, PA | $196.8M | 8,432,247 |
| AMERICAN CENTURY COMPANIES INC | KANSAS CITY, MO | $102.5M | 4,138,416 |
| DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) | New York, NY | $97.6M | 3,943,600 |
| DIMENSIONAL FUND ADVISORS LP | AUSTIN, TX | $84.9M | 3,429,615 |
| BANK OF AMERICA CORP /DE/ | CHARLOTTE, NC | $75.2M | 3,036,546 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/115504) | BOSTON, MA | $73.6M | 2,972,402 |
| MORGAN STANLEY | NEW YORK, NY | $66.5M | 2,687,299 |
| [RENAISSANCE TECHNOLOGIES LLC](https://search.stillhousedata.com/firm/106661) | NEW YORK, NY | $58.1M | 2,347,477 |
| Boston Partners | BOSTON, MA | $52.2M | 1,658,936 |
| [ROYCE & ASSOCIATES LP](https://search.stillhousedata.com/firm/107689) | New York, NY | $51.7M | 2,089,906 |
| JANUS HENDERSON GROUP PLC | LONDON, X0 | $49.5M | 1,998,875 |
| [CHARLES SCHWAB INVESTMENT MANAGEMENT INC](https://search.stillhousedata.com/firm/106753) | SAN FRANCISCO, CA | $35.4M | 1,429,842 |
| NORTHERN TRUST CORP | CHICAGO, IL | $30.6M | 1,237,752 |

## Top fund holders (N-PORT)

_Showing 15 of 27 fund positions by value._

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $31.9M | 3.91% |
| [THE ARBITRAGE FUND](https://search.stillhousedata.com/fund/S000006440) | ARBITRAGE FUNDS | $22.6M | 267.62% |
| [VANGUARD RUSSELL 2000 INDEX FUND](https://search.stillhousedata.com/fund/S000030003) | VANGUARD SCOTTSDALE FUNDS | $18.6M | 10.59% |
| [Oberweis Micro-Cap Fund](https://search.stillhousedata.com/fund/S000010231) | OBERWEIS FUNDS | $17.1M | 162.75% |
| ROYCE SMALL-CAP TRUST, INC. | ROYCE SMALL-CAP TRUST, INC. | $14.8M | 66.52% |
| [U.S. MICRO CAP PORTFOLIO](https://search.stillhousedata.com/fund/S000000948) | DFA INVESTMENT DIMENSIONS GROUP INC | $11.2M | 14.99% |
| [Third Avenue Small-Cap Value Fund](https://search.stillhousedata.com/fund/S000001465) | Third Avenue Trust | $5.9M | 293.99% |
| [Master Small Cap Index Series](https://search.stillhousedata.com/fund/S000002716) | Quantitative Master Series LLC | $4.7M | 9.84% |
| [VANGUARD EXPLORER FUND](https://search.stillhousedata.com/fund/S000002578) | VANGUARD EXPLORER FUND | $3.7M | 1.68% |
| [Royce Capital Fund - Small-Cap Portfolio](https://search.stillhousedata.com/fund/S000009497) | ROYCE CAPITAL FUND | $3.4M | 201.03% |
| [abrdn U.S. Small Cap Equity Fund](https://search.stillhousedata.com/fund/S000020297) | abrdn Funds | $3.2M | 86.80% |
| [Goldman Sachs ActiveBeta(R) U.S. Small Cap Equity ETF](https://search.stillhousedata.com/fund/S000048296) | Goldman Sachs ETF Trust | $2.9M | 29.22% |
| [JAMES SMALL CAP FUND](https://search.stillhousedata.com/fund/S000003563) | JAMES ADVANTAGE FUNDS | $1.7M | 211.81% |
| [BNY Mellon Smallcap Stock Index Fund](https://search.stillhousedata.com/fund/S000000132) | BNY MELLON INDEX FUNDS, INC. | $1.6M | 19.09% |
| [VANGUARD BALANCED INDEX FUND](https://search.stillhousedata.com/fund/S000002560) | VANGUARD VALLEY FORGE FUNDS | $1.6M | 0.27% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/14888U101.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

---

Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.