RELAY THERAPEUTICS INC RLAY
COM · Common Stock · CUSIP 75943R102
Company in Cambridge, United States
- SectorHealth care
- IndustryBiological Products, (No Diagnostic Substances)
- HeadquartersCambridge, MA
- Founded2016
- Websiterelaytx.com
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($459.8k this quarter). Holder counts are more reliable. Shares outstanding: 191.6m as of 2026-05-01, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $9.95. Options: 5 managers hold calls ($12.5m notional), 4 hold puts ($841.8k).
Trends to Q1 2026
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 162 |
| Q4 2022 | 165 |
| Q1 2023 | 158 |
| Q2 2023 | 162 |
| Q3 2023 | 173 |
| Q4 2023 | 178 |
| Q1 2024 | 190 |
| Q2 2024 | 180 |
| Q3 2024 | 196 |
| Q4 2024 | 201 |
| Q1 2025 | 209 |
| Q2 2025 | 209 |
| Q3 2025 | 199 |
| Q4 2025 | 227 |
| Q1 2026 | 244 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q2 2024 | 95 | 78 |
| Q3 2024 | 113 | 74 |
| Q4 2024 | 116 | 73 |
| Q1 2025 | 107 | 81 |
| Q2 2025 | 106 | 90 |
| Q3 2025 | 82 | 87 |
| Q4 2025 | 105 | 76 |
| Q1 2026 | 139 | 82 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q2 2025 | $1.0k | $127.7k | 127.67 |
| Q3 2025 | $4.0m | $187.9k | 0.05 |
| Q4 2025 | $5.7m | $242.8k | 0.04 |
| Q1 2026 | $12.5m | $841.8k | 0.07 |
Biggest buyers
| PERCEPTIVE ADVISORS LLC | Added | +7.8m |
| FMR LLC | Added | +3.5m |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | Added | +2.1m |
| EcoR1 Capital, LLC | New | +1.9m |
| Casdin Capital, LLC | Added | +1.4m |
| TCG Crossover Management, LLC | Added | +1.1m |
| MARSHALL WACE, LLP | New | +941.8k |
| Balyasny Asset Management L.P. | Added | +939.3k |
| Kalehua Capital Management LLC | Added | +901.5k |
| BANK OF AMERICA CORP /DE/ | Added | +896.7k |
Biggest sellers
| Point72 Asset Management, L.P. | Sold out | -13.9m |
| TWO SIGMA ADVISERS, LP | Sold out | -1.3m |
| ExodusPoint Capital Management, LP | Sold out | -1.1m |
| MORGAN STANLEY | Reduced | -586.5k |
| Allianz Asset Management GmbH | Sold out | -560.3k |
| Bellevue Group AG | Reduced | -550.1k |
| MILLENNIUM MANAGEMENT LLC | Reduced | -549.2k |
| SILVERARC CAPITAL MANAGEMENT, LLC | Sold out | -398.2k |
| Trexquant Investment LP | Reduced | -377.8k |
| BARCLAYS PLC | Reduced | -368.9k |
Biggest calls
| Caption Management, LLC | Added | $10.5m1.1m shares |
| Squadron Capital Management LLC | New | $1.5m150.0k shares |
| CITADEL ADVISORS LLC | Reduced | $259.7k26.1k shares |
| JANE STREET GROUP, LLC | Reduced | $165.2k16.6k shares |
| SIMPLEX TRADING, LLC | Reduced | $72.6k7.3k shares |
Biggest puts
| Caption Management, LLC | New | $597.0k60.0k shares |
| JANE STREET GROUP, LLC | New | $146.3k14.7k shares |
| SIMPLEX TRADING, LLC | Added | $81.6k8.2k shares |
| GROUP ONE TRADING LLC | New | $16.9k1.7k shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| FMR LLC 13G · institution +0.6 pts · filed 2026-08-07 | 10.0% |
| Casdin Capital, LLC 13G · passive investor no change · filed 2026-02-17 | 7.5% |
| PERCEPTIVE ADVISORS LLC 13G · passive investor +1.1 pts · filed 2026-08-10 | 6.4% |
| BlackRock, Inc. 13G · institution -2.7 pts · filed 2025-04-17 | 6.1% |
| Commodore Capital LP 13G · passive investor -4.4 pts · filed 2026-08-14 | 5.5% |
Fell to 5% or below in the last year: Point72 Asset Management, L.P. (0.0%, 2026-05-15), VANGUARD GROUP INC (0.0%, 2026-03-27)
Insider purchases and sales in Q1 2026
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q2 2024 | 0 | — | 4 | $653.4k | $599.1k |
| Q3 2024 | 0 | — | 5 | $1.3m | $1.3m |
| Q4 2024 | 0 | — | 5 | $617.0k | $576.4k |
| Q1 2025 | 0 | — | 5 | $3.9m | $2.3m |
| Q2 2025 | 0 | — | 5 | $378.4k | $20.0k |
| Q3 2025 | 0 | — | 5 | $542.9k | — |
| Q4 2025 | 0 | — | 4 | $1.1m | — |
| Q1 2026 | 0 | — | 4 | $902.6k | $178.2k |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2026-03-09 | Catinazzo Thomas Chief Financial Officer | Sold plan | $178.2k17.7k shares |
| 2026-01-28 | Bergstrom Donald A President, R&D | Sold | $22.7k2.7k shares |
| 2026-01-28 | Catinazzo Thomas Chief Financial Officer | Sold | $14.3k1.7k shares |
| 2026-01-28 | Rahmer Peter Officer | Sold | $11.4k1.4k shares |
| 2026-01-27 | Bergstrom Donald A President, R&D | Sold | $144.0k18.9k shares |
| 2026-01-27 | Catinazzo Thomas Chief Financial Officer | Sold | $105.3k13.8k shares |
| 2026-01-27 | Rahmer Peter Officer | Sold | $89.0k11.7k shares |
| 2026-01-06 | Patel Sanjiv President and CEO, director | Sold | $337.6k43.2k shares |
Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).
Holders, Q1 2026
| Manager | Shares | Change |
|---|---|---|
| SB INVESTMENT ADVISERS (UK) LTD 3.59% of their portfolio | 27.9m $277.7m | Unchanged |
| Commodore Capital LP 9.79% of their portfolio | 17.0m $169.2m | Unchanged |
| Casdin Capital, LLC 10.86% of their portfolio | 14.4m $143.5m | Added +1.4m |
| BlackRock, Inc. 0.00% of their portfolio | 13.0m $129.1m | Reduced -253.2k |
| PERCEPTIVE ADVISORS LLC 1.92% of their portfolio | 9.8m $97.0m | Added +7.8m |
| Bellevue Group AG 1.85% of their portfolio | 7.8m $77.6m | Reduced -550.1k |
| VANGUARD CAPITAL MANAGEMENT LLC 0.00% of their portfolio | 7.4m $73.5m | First filing |
| STATE STREET CORP 0.00% of their portfolio | 6.2m $62.0m | Reduced -192.6k |
| Nextech Invest Ltd. 3.87% of their portfolio | 5.5m $55.0m | Added +825.0k |
| TCG Crossover Management, LLC 1.22% of their portfolio | 4.3m $42.5m | Added +1.1m |
| FMR LLC 0.00% of their portfolio | 3.7m $36.8m | Added +3.5m |
| GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 3.5m $34.9m | Added +101.3k |
| Balyasny Asset Management L.P. 0.06% of their portfolio | 3.0m $30.2m | Added +939.3k |
| Spruce Street Capital LP 7.14% of their portfolio | 3.0m $29.7m | Unchanged |
| DIMENSIONAL FUND ADVISORS LP 0.01% of their portfolio | 2.9m $29.2m | Added +460.2k |
| ADAGE CAPITAL PARTNERS GP, L.L.C. 0.04% of their portfolio | 2.6m $25.8m | Added +2.1m |
| GOLDMAN SACHS GROUP INC 0.00% of their portfolio | 2.5m $25.3m | Added +682.2k |
| MPM BIOIMPACT LLC 1.81% of their portfolio | 2.4m $23.5m | Added +127.1k |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 1.9m $19.3m | Added +896.7k |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio | 1.9m $19.2m | Added +279.5k |
| EcoR1 Capital, LLC 0.81% of their portfolio | 1.9m $19.0m | New |
| VANGUARD PORTFOLIO MANAGEMENT LLC 0.00% of their portfolio | 1.9m $18.5m | First filing |
| Kalehua Capital Management LLC 6.90% of their portfolio | 1.8m $17.9m | Added +901.5k |
| NORTHERN TRUST CORP 0.00% of their portfolio | 1.7m $16.7m | Added +536.7k |
| Alphabet Inc. 0.39% of their portfolio | 1.6m $15.6m | Reduced -4.6k |
| MORGAN STANLEY 0.00% of their portfolio | 1.4m $14.2m | Reduced -586.5k |
| Kynam Capital Management, LP 0.90% of their portfolio | 1.4m $14.2m | Unchanged |
| TWO SIGMA INVESTMENTS, LP 0.01% of their portfolio | 1.4m $13.6m | Reduced -191.1k |
| AQR CAPITAL MANAGEMENT LLC 0.01% of their portfolio | 1.3m $12.8m | Added +126.9k |
| BAKER BROS. ADVISORS LP 0.07% of their portfolio | 1.2m $11.5m | Unchanged |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio | 1.1m $11.1m | Reduced -24.8k |
| Foresite Capital Management IV, LLC 4.20% of their portfolio | 1.0m $9.9m | Unchanged |
| MARSHALL WACE, LLP 0.01% of their portfolio | 941.8k $9.4m | New |
| VANGUARD FIDUCIARY TRUST CO 0.00% of their portfolio | 900.5k $9.0m | First filing |
| Connor, Clark & Lunn Investment Management Ltd. 0.02% of their portfolio | 837.0k $8.3m | Added +447.5k |
| PANAGORA ASSET MANAGEMENT INC 0.03% of their portfolio | 818.0k $8.1m | New |
| Logos Global Management LP 0.38% of their portfolio | 750.0k $7.5m | New |
| Woodline Partners LP 0.03% of their portfolio | 679.3k $6.8m | Added +227 |
| RENAISSANCE TECHNOLOGIES LLC 0.01% of their portfolio | 673.6k $6.7m | Added +25.7k |
| Squadron Capital Management LLC 2.68% of their portfolio | 672.5k $6.7m | New |
| Invesco Ltd. 0.00% of their portfolio | 669.9k $6.7m | Reduced -195.6k |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.00% of their portfolio | 668.3k $6.6m | New |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 647.5k $6.1m | Added +221.6k |
| Qube Research & Technologies Ltd 0.01% of their portfolio | 619.7k $6.2m | New |
| CONGRESS ASSET MANAGEMENT CO 0.04% of their portfolio | 618.9k $6.2m | Added +204.8k |
| ArrowMark Colorado Holdings LLC 0.14% of their portfolio | 541.1k $5.4m | Unchanged |
| Elmind Capital, LP 1.52% of their portfolio | 536.9k $5.3m | Unchanged |
| UBS Group AG 0.00% of their portfolio | 527.6k $5.2m | Added +231.6k |
| Timothy G. Youngquist 2020 Irrevocable Trust 2.43% of their portfolio | 499.1k $5.0m | Unchanged |
| Longaeva Partners L.P. 0.23% of their portfolio | 470.5k $4.7m | New |
| BESSEMER GROUP INC 0.01% of their portfolio | 457.9k $4.6m | Unchanged |
| AMERICAN CENTURY COMPANIES INC 0.00% of their portfolio | 440.2k $4.4m | Added +7.7k |
| JANE STREET GROUP, LLC 0.00% of their portfolio | 423.5k $4.2m | Added +347.1k |
| HighVista Strategies LLC 1.16% of their portfolio | 421.9k $4.2m | Reduced -123.2k |
| SPHERA FUNDS MANAGEMENT LTD. 0.70% of their portfolio | 408.4k $4.1m | New |
| Affinity Asset Advisors, LLC 0.23% of their portfolio | 400.0k $4.0m | New |
| Bank of New York Mellon Corp 0.00% of their portfolio | 382.9k $3.8m | Added +4.2k |
| Rhenman & Partners Asset Management AB 0.44% of their portfolio | 360.0k $3.6m | Reduced -100.0k |
| AMERIPRISE FINANCIAL INC 0.00% of their portfolio | 356.9k $3.6m | New |
| MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio | 347.7k $3.5m | Reduced -549.2k |
| RAYMOND JAMES FINANCIAL INC 0.00% of their portfolio | 346.3k $3.4m | Added +86.9k |
| Susquehanna Portfolio Strategies, LLC 0.05% of their portfolio | 339.1k $3.4m | Unchanged |
| Hudson Bay Capital Management LP 0.02% of their portfolio | 311.3k $3.1m | Reduced -140.2k |
| Nuveen, LLC 0.00% of their portfolio | 302.2k $3.0m | Added +1.7k |
| ACADIAN ASSET MANAGEMENT LLC 0.00% of their portfolio | 290.4k $2.9m | Reduced -166.3k |
| Exome Asset Management LLC 1.63% of their portfolio | 278.3k $2.8m | New |
| Eversept Partners, LP 0.18% of their portfolio | 270.7k $2.7m | Reduced -218.4k |
| Seven Fleet Capital Management LP 0.81% of their portfolio | 257.7k $2.6m | Added +184.7k |
| Swiss National Bank 0.00% of their portfolio | 238.0k $2.4m | Unchanged |
| RHUMBLINE ADVISERS 0.00% of their portfolio | 216.9k $2.2m | Added +1.2k |
| VOYA INVESTMENT MANAGEMENT LLC 0.00% of their portfolio | 216.1k $2.1m | Added +191.5k |
| TD Asset Management Inc 0.00% of their portfolio | 214.2k $2.1m | Added +32.2k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio | 210.5k $2.1m | Added +620 |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.00% of their portfolio | 209.7k $2.1m | Added +32.2k |
| IEQ CAPITAL, LLC 0.01% of their portfolio | 205.3k $2.0m | Added +43.0k |
| SG Americas Securities, LLC 0.00% of their portfolio | 197.5k $2.0m | Reduced -23.4k |
| Raiffeisen Bank International AG 0.03% of their portfolio | 190.0k $1.8m | Reduced -60.0k |
| XTX Topco Ltd 0.03% of their portfolio | 188.9k $1.9m | Added +31.5k |
| OSAIC HOLDINGS, INC. 0.00% of their portfolio | 186.1k $1.9m | Reduced -265 |
| Tetragon Partners GP Ltd 0.35% of their portfolio | 181.5k $1.8m | New |
| Squarepoint Ops LLC 0.00% of their portfolio | 180.3k $1.8m | Added +86.1k |
| CITADEL ADVISORS LLC 0.00% of their portfolio | 176.3k $1.8m | Added +62.1k |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio | 174.1k $1.7m | Added +56.4k |
| STATE OF WISCONSIN INVESTMENT BOARD 0.00% of their portfolio | 162.2k $1.6m | Added +61.1k |
| Tidal Investments LLC 0.00% of their portfolio | 154.1k $1.5m | New |
| Tema ETFs LLC 0.10% of their portfolio | 154.1k $1.5m | Added +42.5k |
| Rafferty Asset Management, LLC 0.01% of their portfolio | 150.6k $1.5m | Reduced -43.1k |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio | 147.2k $1.5m | Reduced -75.8k |
| ALPS ADVISORS INC 0.01% of their portfolio | 145.5k $1.4m | Added +3.2k |
| ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio | 145.3k $1.2m | Unchanged |
| Sanctuary Advisors, LLC 0.01% of their portfolio | 143.8k $1.4m | Added +1.6k |
| Engineers Gate Manager LP 0.02% of their portfolio | 141.5k $1.4m | Added +63.1k |
| DEUTSCHE BANK AG\ 0.00% of their portfolio | 129.6k $1.3m | Added +5.6k |
| Man Group plc 0.00% of their portfolio | 112.8k $1.1m | Added +25.8k |
| WELLS FARGO & COMPANY/MN 0.00% of their portfolio | 110.0k $1.1m | Reduced -47.9k |
| Creative Planning 0.00% of their portfolio | 101.3k $1.0m | Added +15.5k |
| ICONIQ Capital, LLC 0.02% of their portfolio | 94.7k $942.2k | Unchanged |
| Trexquant Investment LP 0.01% of their portfolio | 94.2k $937.8k | Reduced -377.8k |
| HIMENSION CAPITAL (SINGAPORE) PTE. LTD. 0.07% of their portfolio | 94.2k $937.0k | Reduced -10.8k |
| VANGUARD ASSET MANAGEMENT, Ltd 0.00% of their portfolio | 82.3k $818.9k | First filing |