CPRX · Insider trading · 13F holders · Congress trades
Catalyst Pharmaceuticals Inc (CPRX)
Who is buying and selling CPRX: company insiders on SEC Form 4, hedge funds and superinvestors on Form 13F, and members of Congress under the STOCK Act. Every figure links to the filing or page it comes from.
- 13F filers holding
- 24
- Insider buys, 90 days
- $0
- Insider sales, 90 days
- $0
- Congress trades, 12 months
- 0
CPRX at a glance
- No open-market insider purchases or sales of CPRX were filed in the last 90 days.
- 24 13F filers hold CPRX among their 50 largest positions, worth $470.9M combined, including Third Avenue Management. The biggest bets by portfolio weight are Gables Capital Management Inc. (4.8%), Tanaka Capital Management Inc (4.7%) and JW Asset Management, LLC (3.8%). In their latest 13Fs, 5 managers opened a new position and 0 added to one.
- No member of Congress has disclosed a trade in CPRX.
CPRX insider trading
No open-market insider purchases or sales of CPRX were filed in the last 90 days.
Who owns CPRX? Hedge funds and superinvestors
24 13F filers hold CPRX among their 50 largest positions, worth $470.9M combined, including Third Avenue Management. The biggest bets by portfolio weight are Gables Capital Management Inc. (4.8%), Tanaka Capital Management Inc (4.7%) and JW Asset Management, LLC (3.8%). In their latest 13Fs, 5 managers opened a new position and 0 added to one.
Superinvestors holding CPRX: Third Avenue Management 1.1%
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| Glazer Capital, LLCHedge fund | 2.9% | $113.2M | 3,602,865 | — | Q2 2026 |
| Hbk Investments L PHedge fund | 1.1% | $88.6M | 2,820,302 | — | Q2 2026 |
| Nexpoint Asset Management, L.P.Mutual fund manager | 3.4% | $50.4M | 1,602,557 | — | Q2 2026 |
| Polar Asset Management Partners Inc.Hedge fund | 0.8% | $36.2M | 1,150,300 | — | Q2 2026 |
| Water Island Capital LLCMutual fund manager | 3.2% | $29.3M | 933,819 | — | Q2 2026 |
| Kennedy Capital Management LLCInstitutional asset manager | 0.5% | $26.9M | 856,609 | -28.6% shares | Q2 2026 |
| AQR Arbitrage LLCHedge fund | 0.4% | $21.2M | 674,223 | — | Q2 2026 |
| Sagefield Capital LPHedge fund | 1.3% | $17.9M | 569,481 | — | Q2 2026 |
| Gables Capital Management Inc.Institutional asset manager | 4.8% | $13.2M | 419,181 | -1.3% shares | Q2 2026 |
| First Trust Capital Management L.P.Mutual fund manager | 0.8% | $13.1M | 416,209 | — | Q2 2026 |
| JW Asset Management, LLCHedge fund | 3.8% | $12.2M | 388,392 | +0.0% shares | Q2 2026 |
| Melqart Asset Management (UK) LtdHedge fund | 0.7% | $7.8M | 247,556 | New | Q2 2026 |
| Third Avenue ManagementSuperinvestor · Mutual fund manager | 1.1% | $6.6M | 210,161 | +0.0% shares | Q2 2026 |
| Credit Industriel Et CommercialInvestment manager | 0.7% | $6.1M | 193,503 | — | Q2 2026 |
| GABELLI & Co INVESTMENT ADVISERS, INC.Hedge fund | 0.7% | $5.0M | 159,003 | — | Q2 2026 |
| Athos Capital LtdHedge fund | 1.7% | $4.7M | 150,000 | New | Q2 2026 |
| Harvest Management LLCInvestment manager | 2.1% | $4.7M | 150,000 | New | Q2 2026 |
| Kintayl Capital LPHedge fund | 1.7% | $3.6M | 114,111 | New | Q2 2026 |
| Clark Estates Inc/nyInvestment manager | 0.8% | $3.6M | 113,918 | +0.0% shares | Q2 2026 |
| Tanaka Capital Management IncMutual fund manager | 4.7% | $2.8M | 113,418 | -0.9% shares | Q1 2026 |
| Oxford Asset Management LLPHedge fund | 1.1% | $2.2M | 70,212 | — | Q2 2026 |
| AlphaCentric Advisors LLCMutual fund manager | 0.6% | $742K | 23,622 | — | Q2 2026 |
| One68 Global Capital, LLCInstitutional asset manager | 1.0% | $471K | 15,000 | New | Q2 2026 |
| New Vernon Capital Holdings II LLCAsset manager | 0.2% | $425K | 13,521 | +0.0% shares | Q2 2026 |
Each manager counts with its latest 13F (Q2 2026: 23, Q1 2026: 1). Screen CPRX in the grand portfolio →
CPRX stock trades by members of Congress
No member of Congress has disclosed a trade in CPRX.
CPRX questions and answers
Are insiders buying CPRX stock?
No open-market insider purchases or sales of CPRX were filed in the last 90 days.
Which hedge funds own CPRX?
24 13F filers hold CPRX among their 50 largest positions, worth $470.9M combined, including Third Avenue Management. The biggest bets by portfolio weight are Gables Capital Management Inc. (4.8%), Tanaka Capital Management Inc (4.7%) and JW Asset Management, LLC (3.8%). In their latest 13Fs, 5 managers opened a new position and 0 added to one.
Has Congress traded CPRX?
No member of Congress has disclosed a trade in CPRX.
Who is the largest holder of CPRX?
Among 13F filers, Glazer Capital, LLC reports the largest CPRX position, $113.2M (3,602,865 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is Gables Capital Management Inc.'s: 4.8% of its portfolio.
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