BEAM · Insider trading · 13F holders · Congress trades
Beam Therapeutics Inc. (BEAM)
Who is buying and selling BEAM: 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
- 21
- Insider buys, 90 days
- $0
- Insider sales, 90 days
- $1.2M
- Congress trades, 12 months
- 0
BEAM at a glance
- Between Aug 1, 2026 and Oct 29, 2026, 2 BEAM insiders filed 2 sales worth $1.2M on SEC Form 4, and no open-market purchases; 2 of the sales were pre-planned under Rule 10b5-1.
- 21 13F filers hold BEAM among their 50 largest positions, worth $1.3B combined, including Cathie Wood. The biggest bets by portfolio weight are ARCH Venture Management, LLC (14.2%), Kynam Capital Management, LP (5.4%) and Elmind Capital, LP (4.1%). In their latest 13Fs, 1 manager opened a new position and 2 added to one.
- No member of Congress has disclosed a trade in BEAM.
- BEAM last closed at $28.84 on Oct 29, 2026.
BEAM insider trading
Between Aug 1, 2026 and Oct 29, 2026, 2 BEAM insiders filed 2 sales worth $1.2M on SEC Form 4, and no open-market purchases; 2 of the sales were pre-planned under Rule 10b5-1.
| Filed | Insider | Role | Trade | Shares | Price | Value | Form 4 |
|---|---|---|---|---|---|---|---|
| Oct 16, 2026 | Evans John M. | CEO, Director | Sale10b5-1 | 50,000 | $23.77 | $1.2M | SEC |
| Oct 2, 2026 | Cavanagh Bethany J | SVP, Finance and Treasurer | Sale10b5-1 | 187 | $24.41 | $5K | SEC |
Who owns BEAM? Hedge funds and superinvestors
21 13F filers hold BEAM among their 50 largest positions, worth $1.3B combined, including Cathie Wood. The biggest bets by portfolio weight are ARCH Venture Management, LLC (14.2%), Kynam Capital Management, LP (5.4%) and Elmind Capital, LP (4.1%). In their latest 13Fs, 1 manager opened a new position and 2 added to one.
Superinvestors holding BEAM: Cathie Wood 2.3%
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| Farallon Capital Management, L.l.c.Hedge fund | 2.1% | $351.3M | 10,236,396 | +1.0% shares | Q2 2026 |
| Cathie WoodMutual fund manager | 2.3% | $351.3M | 10,234,862 | -15.6% shares | Q2 2026 |
| ARCH Venture Management, LLCVenture capital | 14.2% | $155.8M | 4,540,132 | +0.0% shares | Q2 2026 |
| Amova Asset Management Americas, Inc.Hedge fund | 1.5% | $118.5M | 3,455,043 | -9.7% shares | Q2 2026 |
| Kynam Capital Management, LPHedge fund | 5.4% | $97.5M | 2,840,792 | -22.9% shares | Q2 2026 |
| Contrarius Group Holdings LtdInvestment manager | 2.6% | $55.4M | 1,614,538 | +202.7% shares | Q2 2026 |
| Casdin Capital, LLCHedge fund | 2.3% | $46.3M | 1,350,000 | +0.0% shares | Q2 2026 |
| Redmile Group, LLCHedge fund | 2.7% | $40.0M | 1,164,259 | -5.9% shares | Q2 2026 |
| Deep Track Capital, LPHedge fund | 0.5% | $34.3M | 1,000,000 | — | Q2 2026 |
| Elmind Capital, LPHedge fund | 4.1% | $16.3M | 476,338 | +0.0% shares | Q2 2026 |
| IQ EQ FUND MANAGEMENT (IRELAND) LtdHedge fund | 1.0% | $15.6M | 455,954 | -6.6% shares | Q2 2026 |
| Foresite Capital Management VI LLCHedge fund | 1.8% | $11.3M | 330,000 | New | Q2 2026 |
| Alphabet Inc.Corporation | 0.0% | $11.0M | 321,604 | +0.0% shares | Q2 2026 |
| Privium Fund Management B.V.Asset manager | 0.4% | $2.4M | 70,282 | +9.8% shares | Q2 2026 |
| Peregrine Investment Management IncAsset manager | 1.0% | $2.4M | 70,000 | -73.1% shares | Q2 2026 |
| Alessandra Capital Management, LLCWealth manager | 1.4% | $2.0M | 56,945 | -9.0% shares | Q2 2026 |
| Ishara Investments LPHedge fund | 1.0% | $1.4M | 41,000 | -28.6% shares | Q2 2026 |
| Brandywine Managers, LLCHedge fund | 0.4% | $874K | 25,455 | +0.0% shares | Q2 2026 |
| Yiheng Capital Management, L.P.Hedge fund | 0.3% | $725K | 21,126 | +0.0% shares | Q2 2026 |
| Bayforest Capital LtdHedge fund | 0.3% | $369K | 10,740 | — | Q2 2026 |
| IvyRock Asset Management (HK) LtdHedge fund | 0.2% | $295K | 8,600 | +0.0% shares | Q2 2026 |
Each manager counts with its latest 13F (Q2 2026: 21). Screen BEAM in the grand portfolio →
BEAM stock trades by members of Congress
No member of Congress has disclosed a trade in BEAM.
BEAM questions and answers
Are insiders buying BEAM stock?
Between Aug 1, 2026 and Oct 29, 2026, 2 BEAM insiders filed 2 sales worth $1.2M on SEC Form 4, and no open-market purchases; 2 of the sales were pre-planned under Rule 10b5-1.
Which hedge funds own BEAM?
21 13F filers hold BEAM among their 50 largest positions, worth $1.3B combined, including Cathie Wood. The biggest bets by portfolio weight are ARCH Venture Management, LLC (14.2%), Kynam Capital Management, LP (5.4%) and Elmind Capital, LP (4.1%). In their latest 13Fs, 1 manager opened a new position and 2 added to one.
Has Congress traded BEAM?
No member of Congress has disclosed a trade in BEAM.
Who is the largest holder of BEAM?
Among 13F filers, Farallon Capital Management, L.l.c. reports the largest BEAM position, $351.3M (10,236,396 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is ARCH Venture Management, LLC's: 14.2% of its portfolio.
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