Rock Springs Capital BEAM Position
Exited8-Fund ConvergenceRock Springs Capital exited their position in Beam Therapeutics Inc. (BEAM) in Q2 2025, after holding the stock for 10 quarters.
The position was first reported in Q1 2023 and has been tracked across 10 quarterly 13F filings.
BEAM is a convergence signal: 8 specialist biotech funds hold this stock, suggesting high institutional conviction.
There is an upcoming Phase 2 readout for BEAM-201 in 259 days (Dec 31, 2026), making the timing of Rock Springs's position particularly relevant.
Short interest stands at 23.5% of float with 11.0 days to cover, indicating significant bearish positioning against the stock.
About Beam Therapeutics Inc.
Beam Therapeutics Inc., a biotechnology company, develops precision genetic medicines for patients suffering from serious diseases in the United States. The company is developing BEAM-101 for the treatment of sickle cell disease and beta thalassemia; BEAM-102 for the treatment of sickle cell disease; and BEAM-201, an allogeneic chimeric antigen receptor T cell for the treatment of relapsed/refractory T-cell acute lymphoblastic leukemia; and BEAM-301, a liver-targeted development candidate for the treatment of patients with Glycogen Storage Disease Type Ia. It also develops therapies for alpha-1 antitrypsin deficiency; ocular diseases; and other liver, muscle, and central nervous system disorders. The company has an alliance with Boston Children's Hospital; a research and clinical trial collaboration agreement with Magenta Therapeutics, Inc.; license agreement with Sana Biotechnology, Inc.; and a research collaboration with the Institute of Molecular and Clinical Ophthalmology Basel. It also has a research collaboration agreement with Pfizer Inc. and Apellis Pharmaceuticals, Inc.; and collaboration and license agreement with Verve Therapeutics, Inc. The company was incorporated in 2017 and is based in Cambridge, Massachusetts.
Full company profile →Short Interest
23.5%
11.0 days to cover
Rock Springs Capital BEAM Position History
| Quarter | Action | Shares | Change | Value |
|---|---|---|---|---|
| Q2 2025 | Exited | 0 | -150,020 | $0 |
| Q1 2025 | Decreased | 150,020 | -102,203 | $2.9M |
| Q4 2024 | Increased | 252,223 | +2,300 | $6.3M |
| Q3 2024 | Held | 249,923 | — | $6.1M |
| Q2 2024 | Increased | 249,923 | +102,413 | $5.9M |
| Q1 2024 | Increased | 147,510 | +36,080 | $4.9M |
| Q4 2023 | Held | 111,430 | — | $3.0M |
| Q3 2023 | Held | 111,430 | — | $2.7M |
| Q2 2023 | Held | 111,430 | — | $3.6M |
| Q1 2023 | New | 111,430 | +111,430 | $3.4M |
Frequently Asked Questions
Does Rock Springs Capital own BEAM?
No. Rock Springs Capital exited their position in Beam Therapeutics Inc. (BEAM) in Q2 2025. They previously held the stock for 10 quarters.
How many hedge funds own BEAM?
8 specialist biotech hedge funds currently hold BEAM, including Redmile Group, Casdin Capital, Deep Track Capital and 5 more. When 3 or more specialist funds hold the same stock, BiotechEdge flags it as a convergence signal.
When did Rock Springs Capital first buy BEAM?
Rock Springs Capital's position in BEAM was first reported in Q1 2023. 13F filings are reported with a 45-day delay, so the actual purchase may have occurred earlier in the quarter.
Is Rock Springs Capital's BEAM position increasing or decreasing?
Rock Springs Capital completely exited their BEAM position in the most recent quarter.
Get the weekly biotech signal briefing
Fund moves, convergence shifts, insider buys, and catalyst alerts — delivered free every Monday.
BEAMCompany Page →
All fund holders, insider trades, catalysts, and cash runway
Rock Springs CapitalPortfolio →
Full 13F holdings, sector breakdown, and top movers
Drill into any signal
Fund Convergence
See which stocks multiple specialist funds are buying at once
Catalyst Calendar
Every PDUFA date, Phase 3 readout, and AdCom in one view
Insider Trading
When executives buy their own stock — the strongest bullish signal
Cash Runway
Which biotechs are running low on cash and face dilution risk
Short Squeeze
High short interest + fund buying + upcoming catalyst = squeeze setup
Signal Rankings
Every signal in one composite score — ranked by conviction
Biotech Movers
Stocks with the most signal activity right now across all signals
13F Changes
What top biotech funds bought and sold in the latest 13F filing
Want AI context on every signal? Start free trial →