ACAD · Insider trading · 13F holders · Congress trades
Acadia Pharmaceuticals Inc (ACAD)
Who is buying and selling ACAD: 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
- 15
- Insider buys, 90 days
- $0
- Insider sales, 90 days
- $587K
- Congress trades, 12 months
- 1
ACAD at a glance
- Between Aug 1, 2026 and Oct 29, 2026, 1 ACAD insider filed 1 sale worth $587K on SEC Form 4, and no open-market purchases; 1 of the sales were pre-planned under Rule 10b5-1.
- 15 13F filers hold ACAD among their 50 largest positions, worth $1.5B combined, including Julian and Felix Baker. The biggest bets by portfolio weight are Palo Alto Investors LP (10.0%), Ishara Investments LP (7.6%) and Julian and Felix Baker (5.5%). In their latest 13Fs, 1 manager opened a new position and 4 added to one.
- Members of Congress have disclosed 3 ACAD trades since 2019, 0 purchases and 1 sale in the past year; the latest was Chris Jacobs (R-NY), selling $1K–15K on Jun 16, 2022.
- ACAD last closed at $20.76 on Oct 29, 2026.
ACAD insider trading
Between Aug 1, 2026 and Oct 29, 2026, 1 ACAD insider filed 1 sale worth $587K on SEC Form 4, and no open-market purchases; 1 of the sales were pre-planned under Rule 10b5-1.
| Filed | Insider | Role | Trade | Shares | Price | Value | Form 4 |
|---|---|---|---|---|---|---|---|
| Aug 7, 2026 | Schneyer Mark C. | EVP, CHIEF FINANCIAL OFFICER | Sale10b5-1 | 20,141 | $29.16 | $587K | SEC |
Who owns ACAD? Hedge funds and superinvestors
15 13F filers hold ACAD among their 50 largest positions, worth $1.5B combined, including Julian and Felix Baker. The biggest bets by portfolio weight are Palo Alto Investors LP (10.0%), Ishara Investments LP (7.6%) and Julian and Felix Baker (5.5%). In their latest 13Fs, 1 manager opened a new position and 4 added to one.
Superinvestors holding ACAD: Julian and Felix Baker 5.5%
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| Julian and Felix BakerHedge fund | 5.5% | $1.1B | 42,912,904 | +0.0% shares | Q2 2026 |
| Rtw Investments, LPHedge fund | 1.5% | $180.8M | 7,144,524 | +0.0% shares | Q2 2026 |
| Palo Alto Investors LPHedge fund | 10.0% | $72.5M | 2,864,096 | -0.3% shares | Q2 2026 |
| Braidwell LPHedge fund | 1.6% | $41.7M | 1,646,399 | -33.4% shares | Q2 2026 |
| Frazier Life Sciences Management, L.P.Hedge fund | 0.8% | $36.4M | 1,438,198 | +0.0% shares | Q2 2026 |
| Rice Hall James & Associates, LLCAsset manager | 0.8% | $15.7M | 618,887 | +0.2% shares | Q2 2026 |
| Ishara Investments LPHedge fund | 7.6% | $10.4M | 410,000 | +233.3% shares | Q2 2026 |
| Sphera Funds Management Ltd.Hedge fund | 1.3% | $9.0M | 356,534 | +39.2% shares | Q2 2026 |
| Birchview Capital, LPWealth manager | 2.0% | $4.3M | 171,000 | +0.0% shares | Q2 2026 |
| Tetragon Partners GP LtdHedge fund | 0.7% | $4.2M | 167,875 | +16.1% shares | Q2 2026 |
| Stempoint Capital LPHedge fund | 0.6% | $3.6M | 143,167 | -41.0% shares | Q2 2026 |
| Nan Fung Group Holdings LtdInvestment manager | 2.0% | $2.6M | 102,984 | +0.0% shares | Q2 2026 |
| Verdad Advisers, LPAsset manager | 2.0% | $2.1M | 82,629 | +21.0% shares | Q2 2026 |
| Virtus Advisers, LLCAsset manager | 0.4% | $1.1M | 44,384 | +3.3% shares | Q2 2026 |
| Morgan Creek Capital Management, LLCHedge fund | 0.2% | $238K | 9,395 | New | Q2 2026 |
Each manager counts with its latest 13F (Q2 2026: 15). Screen ACAD in the grand portfolio →
ACAD stock trades by members of Congress
Members of Congress have disclosed 3 ACAD trades since 2019, 0 purchases and 1 sale in the past year; the latest was Chris Jacobs (R-NY), selling $1K–15K on Jun 16, 2022.
| Filed | Member | Trade | Amount | Traded | Since |
|---|---|---|---|---|---|
| Jul 28, 2022 | Chris JacobsR-NY · House | Sale | $1K–15K | Jun 16, 2022 | +5.5% |
| Nov 6, 2020 | Chris JacobsR-NY · House | Sale | $1K–15K | Sep 8, 2020 | -46.1% |
| Mar 8, 2019 | Gilbert Ray Cisneros, Jr.D-CA · House | Sale | $1K–15K | Feb 19, 2019 | -10.4% |
2 members have traded ACAD: Chris Jacobs, Gilbert Ray Cisneros, Jr..
ACAD questions and answers
Are insiders buying ACAD stock?
Between Aug 1, 2026 and Oct 29, 2026, 1 ACAD insider filed 1 sale worth $587K on SEC Form 4, and no open-market purchases; 1 of the sales were pre-planned under Rule 10b5-1.
Which hedge funds own ACAD?
15 13F filers hold ACAD among their 50 largest positions, worth $1.5B combined, including Julian and Felix Baker. The biggest bets by portfolio weight are Palo Alto Investors LP (10.0%), Ishara Investments LP (7.6%) and Julian and Felix Baker (5.5%). In their latest 13Fs, 1 manager opened a new position and 4 added to one.
Has Congress traded ACAD?
Members of Congress have disclosed 3 ACAD trades since 2019, 0 purchases and 1 sale in the past year; the latest was Chris Jacobs (R-NY), selling $1K–15K on Jun 16, 2022.
Who is the largest holder of ACAD?
Among 13F filers, Julian and Felix Baker reports the largest ACAD position, $1.1B (42,912,904 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is Palo Alto Investors LP's: 10.0% of its portfolio.
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