EDITAS MEDICINE INC EDIT
COM · Common Stock · CUSIP 28106W103 · ISIN US28106W1036
Discovery-phase pharmaceutical company
- SectorHealth care
- IndustryBiological Products, (No Diagnostic Substances)
- HeadquartersCambridge, MA
- Founded2013
- Websiteeditasmedicine.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 ($324.3k this quarter). Holder counts are more reliable. Shares outstanding: 153.6m as of 2026-07-31, 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 ≈ $3.24. Options: 10 managers hold calls ($4.3m notional), 6 hold puts ($1.9m).
Trends to Q2 2026
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 265 |
| Q4 2022 | 250 |
| Q1 2023 | 235 |
| Q2 2023 | 238 |
| Q3 2023 | 223 |
| Q4 2023 | 226 |
| Q1 2024 | 227 |
| Q2 2024 | 236 |
| Q3 2024 | 230 |
| Q4 2024 | 207 |
| Q1 2025 | 196 |
| Q2 2025 | 195 |
| Q3 2025 | 194 |
| Q4 2025 | 197 |
| Q1 2026 | 208 |
| Q2 2026 | 215 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q3 2024 | 101 | 105 |
| Q4 2024 | 85 | 116 |
| Q1 2025 | 68 | 92 |
| Q2 2025 | 70 | 80 |
| Q3 2025 | 70 | 80 |
| Q4 2025 | 70 | 81 |
| Q1 2026 | 87 | 75 |
| Q2 2026 | 111 | 65 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2025 | $4.9m | $830.4k | 0.17 |
| Q4 2025 | $3.7m | $686.3k | 0.19 |
| Q1 2026 | $1.1m | $855.1k | 0.78 |
| Q2 2026 | $4.3m | $1.9m | 0.43 |
Biggest buyers
| TCG Crossover Management, LLC | New | +11.1m |
| Commodore Capital LP | New | +8.9m |
| RA CAPITAL MANAGEMENT, L.P. | New | +8.9m |
| ADAR1 Capital Management, LLC | New | +8.9m |
| Paradigm Biocapital Advisors LP | New | +5.6m |
| Woodline Partners LP | New | +3.6m |
| Vivo Capital, LLC | New | +3.6m |
| GordonMD Global Investments LP | New | +3.1m |
| Logos Global Management LP | New | +2.2m |
| GOLDMAN SACHS GROUP INC | Added | +2.1m |
Biggest sellers
| RENAISSANCE TECHNOLOGIES LLC | Reduced | -1.5m |
| Nuveen, LLC | Reduced | -1.5m |
| CITADEL ADVISORS LLC | Reduced | -449.6k |
| JACOBS LEVY EQUITY MANAGEMENT, INC | Reduced | -445.0k |
| ACADIAN ASSET MANAGEMENT LLC | Reduced | -418.7k |
| Hennion & Walsh Asset Management, Inc. | Sold out | -263.1k |
| TWO SIGMA INVESTMENTS, LP | Reduced | -216.1k |
| AMERIPRISE FINANCIAL INC | Sold out | -155.8k |
| Man Group plc | Sold out | -125.5k |
| JPMORGAN CHASE & CO | Reduced | -84.9k |
Biggest calls
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $1.5m469.5k shares |
| DIADEMA PARTNERS LP | New | $1.3m400.0k shares |
| PEAK6 LLC | Added | $497.3k153.5k shares |
| IMC-Chicago, LLC | Added | $322.1k99.4k shares |
| CITADEL ADVISORS LLC | Reduced | $229.4k70.8k shares |
| SIMPLEX TRADING, LLC | Added | $213.5k65.9k shares |
| JANE STREET GROUP, LLC | Added | $85.5k26.4k shares |
| Persistent Asset Partners Ltd | New | $47.3k1.0k shares |
| GROUP ONE TRADING LLC | Reduced | $33.4k10.3k shares |
| Raiffeisen Bank International AG | Unchanged | $32.4k10.0k shares |
Biggest puts
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $558.9k172.5k shares |
| CITADEL ADVISORS LLC | Added | $557.6k172.1k shares |
| IMC-Chicago, LLC | Added | $246.9k76.2k shares |
| SIMPLEX TRADING, LLC | Added | $221.6k68.4k shares |
| JANE STREET GROUP, LLC | Added | $218.4k67.4k shares |
| GROUP ONE TRADING LLC | Added | $51.2k15.8k 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 |
|---|---|
| TCG Crossover GP III, LLC 13G · passive investor new · filed 2026-06-03 | 9.9% |
| Commodore Capital LP 13G · passive investor new · filed 2026-06-02 | 9.9% |
| BlackRock, Inc. 13G · institution +2.8 pts · filed 2026-10-27 | 7.8% |
| ADAR1 Capital Management, LLC 13G · institution new · filed 2026-08-14 | 5.8% |
| RA CAPITAL MANAGEMENT, L.P. 13G · passive investor new · filed 2026-06-03 | 5.8% |
Fell to 5% or below in the last year: VANGUARD GROUP INC (0.0%, 2026-03-26)
Insider purchases and sales since 1 Apr 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 |
|---|---|---|---|---|---|
| Q4 2024 | 0 | — | 2 | $4.5k | $4.5k |
| Q1 2025 | 0 | — | 3 | $40.4k | $40.4k |
| Q2 2025 | 0 | — | 3 | $28.1k | $28.1k |
| Q3 2025 | 0 | — | 3 | $32.1k | $32.1k |
| Q4 2025 | 0 | — | 3 | $14.6k | $14.6k |
| Q1 2026 | 0 | — | 3 | $13.4k | $13.4k |
| Q2 2026 | 0 | — | 3 | $44.8k | $44.8k |
| Q3 2026 | 0 | — | 3 | $34.0k | $34.0k |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2026-09-03 | O'Neill Gilmore Neil CEO, director | Sold plan | $15.6k5.1k shares |
| 2026-09-03 | Burkly Linda EVP, CHIEF SCIENTIFIC OFFICER | Sold plan | $2.2k709 shares |
| 2026-09-03 | Parison Amy SVP, Chief Financial Officer | Sold plan | $1.4k453 shares |
| 2026-08-03 | Parison Amy SVP, Chief Financial Officer | Sold plan | $1.7k678 shares |
| 2026-07-28 | Burkly Linda EVP, CHIEF SCIENTIFIC OFFICER | Sold plan | $13.2k4.9k shares |
| 2026-06-03 | O'Neill Gilmore Neil CEO, director | Sold plan | $41.5k15.4k shares |
| 2026-06-03 | Burkly Linda EVP, CHIEF SCIENTIFIC OFFICER | Sold plan | $2.0k731 shares |
| 2026-06-03 | Parison Amy SVP, Chief Financial Officer | Sold plan | $1.3k464 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, Q2 2026
| Manager | Shares | Change |
|---|---|---|
| TCG Crossover Management, LLC 0.87% of their portfolio | 11.1m $36.0m | New |
| BlackRock, Inc. 0.00% of their portfolio | 10.6m $34.3m | Added +1.3m |
| RA CAPITAL MANAGEMENT, L.P. 0.25% of their portfolio | 8.9m $28.8m | New |
| Commodore Capital LP 1.72% of their portfolio | 8.9m $28.8m | New |
| ADAR1 Capital Management, LLC 1.35% of their portfolio | 8.9m $28.8m | New |
| VANGUARD CAPITAL MANAGEMENT LLC 0.00% of their portfolio | 6.1m $19.9m | Added +1.9m |
| Paradigm Biocapital Advisors LP 0.34% of their portfolio | 5.6m $18.1m | New |
| Opaleye Management Inc. 1.13% of their portfolio | 3.9m $12.5m | Added +1.9m |
| VANGUARD PORTFOLIO MANAGEMENT LLC 0.00% of their portfolio | 3.6m $11.7m | Added +449.8k |
| Woodline Partners LP 0.04% of their portfolio | 3.6m $11.5m | New |
| Vivo Capital, LLC 1.05% of their portfolio | 3.6m $11.5m | New |
| GordonMD Global Investments LP 4.90% of their portfolio | 3.1m $10.1m | New |
| GOLDMAN SACHS GROUP INC 0.00% of their portfolio | 2.6m $8.5m | Added +2.1m |
| GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 2.6m $8.3m | Added +257.3k |
| RENAISSANCE TECHNOLOGIES LLC 0.01% of their portfolio | 2.5m $8.0m | Reduced -1.5m |
| Logos Global Management LP 0.31% of their portfolio | 2.2m $7.2m | New |
| STATE STREET CORP 0.00% of their portfolio | 2.2m $7.1m | Added +115.7k |
| MARSHALL WACE, LLP 0.01% of their portfolio | 2.0m $6.6m | Added +1.8m |
| D. E. Shaw & Co., Inc. 0.00% of their portfolio | 1.9m $6.2m | Reduced -42.9k |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 1.9m $6.0m | Reduced -84.9k |
| Nantahala Capital Management, LLC 0.17% of their portfolio | 1.7m $5.5m | New |
| AQR CAPITAL MANAGEMENT LLC 0.00% of their portfolio | 1.6m $5.1m | Added +201.7k |
| TWO SIGMA INVESTMENTS, LP 0.00% of their portfolio | 1.3m $4.3m | Reduced -216.1k |
| Seven Fleet Capital Management LP 0.71% of their portfolio | 1.3m $4.3m | New |
| RAYMOND JAMES FINANCIAL INC 0.00% of their portfolio | 1.3m $4.3m | Added +25.1k |
| ACADIAN ASSET MANAGEMENT LLC 0.00% of their portfolio | 1.0m $3.4m | Reduced -418.7k |
| KENNEDY CAPITAL MANAGEMENT LLC 0.06% of their portfolio | 1.0m $3.3m | Reduced -20.3k |
| MACKENZIE FINANCIAL CORP 0.00% of their portfolio | 878.0k $2.8m | Added +148.0k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio | 868.0k $2.8m | Added +6.7k |
| NORTHERN TRUST CORP 0.00% of their portfolio | 819.7k $2.7m | Added +77.2k |
| UBS Group AG 0.00% of their portfolio | 750.8k $2.4m | Added +357.0k |
| VANGUARD FIDUCIARY TRUST CO 0.00% of their portfolio | 743.0k $2.4m | Added +128.9k |
| Nuveen, LLC 0.00% of their portfolio | 521.2k $1.7m | Reduced -1.5m |
| MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio | 499.0k $1.6m | New |
| Susquehanna Portfolio Strategies, LLC 0.02% of their portfolio | 477.1k $1.5m | Added +144.2k |
| Eversept Partners, LP 0.08% of their portfolio | 458.8k $1.5m | Added +167.9k |
| Casdin Capital, LLC 0.07% of their portfolio | 445.0k $1.4m | New |
| PEAK6 LLC 0.03% of their portfolio | 415.4k $1.3m | New |
| GSA CAPITAL PARTNERS LLP 0.08% of their portfolio | 367.1k $1.2m | Reduced -67.3k |
| MORGAN STANLEY 0.00% of their portfolio | 342.2k $1.1m | Reduced -69.0k |
| BIT Capital GmbH 0.04% of their portfolio | 326.0k $1.1m | New |
| Cambridge Investment Research Advisors, Inc. 0.00% of their portfolio | 323.8k $1.0m | Added +145.3k |
| WELLINGTON MANAGEMENT GROUP LLP 0.00% of their portfolio | 309.4k $1.0m | New |
| LOS ANGELES CAPITAL MANAGEMENT LLC 0.00% of their portfolio | 271.2k $878.6k | Added +130.8k |
| Bank of New York Mellon Corp 0.00% of their portfolio | 262.6k $850.9k | Reduced -9.9k |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 231.8k $751.1k | Added +97.0k |
| LPL Financial LLC 0.00% of their portfolio | 231.1k $748.8k | Added +161.3k |
| Erste Asset Management GmbH 0.01% of their portfolio | 230.0k $736.0k | New |
| IEQ CAPITAL, LLC 0.00% of their portfolio | 217.8k $705.6k | Added +20.4k |
| CITADEL ADVISORS LLC 0.00% of their portfolio | 212.8k $689.3k | Reduced -449.6k |
| Invesco Ltd. 0.00% of their portfolio | 211.9k $686.5k | Added +75.4k |
| ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio | 187.9k $464.2k | Added +20.4k |
| Walleye Capital LLC 0.00% of their portfolio | 183.9k $595.7k | New |
| DAFNA Capital Management LLC 0.11% of their portfolio | 170.5k $552.3k | New |
| Mariner, LLC 0.00% of their portfolio | 169.3k $548.5k | Added +23.8k |
| Green Alpha Advisors, LLC 0.34% of their portfolio | 156.0k $505.6k | Reduced -4.1k |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% of their portfolio | 151.4k $490.6k | Added +36.3k |
| Russell Investments Group, Ltd. 0.00% of their portfolio | 149.9k $485.6k | Added +8.8k |
| BARCLAYS PLC 0.00% of their portfolio | 149.3k $483.6k | Added +3.7k |
| JACOBS LEVY EQUITY MANAGEMENT, INC 0.00% of their portfolio | 137.4k $445.0k | Reduced -445.0k |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.01% of their portfolio | 126.0k $408.2k | Unchanged |
| Point72 Asset Management, L.P. 0.00% of their portfolio | 125.2k $405.8k | Added +8.2k |
| WELLS FARGO & COMPANY/MN 0.00% of their portfolio | 120.8k $391.2k | Added +18.7k |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio | 119.4k $387.0k | Added +11.0k |
| RHUMBLINE ADVISERS 0.00% of their portfolio | 117.4k $380.4k | Added +10.2k |
| JANE STREET GROUP, LLC 0.00% of their portfolio | 115.6k $374.5k | Reduced -17.1k |
| FMR LLC 0.00% of their portfolio | 111.2k $360.3k | Added +4.4k |
| DEUTSCHE BANK AG\ 0.00% of their portfolio | 99.4k $321.9k | New |
| HSBC HOLDINGS PLC 0.00% of their portfolio | 97.1k $314.5k | Reduced -15.1k |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio | 92.8k $300.8k | Added +19.7k |
| AMERICAN CENTURY COMPANIES INC 0.00% of their portfolio | 92.6k $300.0k | New |
| WEALTH ENHANCEMENT ADVISORY SERVICES, LLC 0.00% of their portfolio | 92.1k $300.2k | Added +3.7k |
| CANADA LIFE ASSURANCE Co 0.00% of their portfolio | 78.6k $255.0k | Added +20.9k |
| STIFEL FINANCIAL CORP 0.00% of their portfolio | 74.8k $242.3k | Reduced -5.8k |
| OSAIC HOLDINGS, INC. 0.00% of their portfolio | 70.1k $227.2k | Added +18.7k |
| SEI INVESTMENTS CO 0.00% of their portfolio | 68.3k $221.2k | Reduced -20.4k |
| Joel Isaacson & Co., LLC 0.01% of their portfolio | 68.1k $220.8k | Unchanged |
| SIMPLEX TRADING, LLC 0.01% of their portfolio | 64.0k $207.3k | Added +58.0k |
| CITIGROUP INC 0.00% of their portfolio | 62.0k $200.8k | Added +54.7k |
| MetLife Investment Management, LLC 0.00% of their portfolio | 56.2k $182.1k | Added +13.8k |
| Cerity Partners LLC 0.00% of their portfolio | 56.1k $181.9k | Added +11.1k |
| MML INVESTORS SERVICES, LLC 0.00% of their portfolio | 52.1k $168.8k | Added +20.0k |
| GROUP ONE TRADING LLC 0.00% of their portfolio | 50.3k $163.1k | Added +28.0k |
| Creative Planning 0.00% of their portfolio | 45.6k $147.7k | Added +22.5k |
| China Universal Asset Management Co., Ltd. 0.01% of their portfolio | 44.4k $143.9k | Added +27.1k |
| WINTON GROUP Ltd 0.00% of their portfolio | 43.7k $141.6k | Reduced -100 |
| Vanguard Global Advisers, LLC 0.00% of their portfolio | 42.9k $138.9k | Unchanged |
| CANADA PENSION PLAN INVESTMENT BOARD 0.00% of their portfolio | 42.4k $137.4k | New |
| Graham Capital Management, L.P. 0.00% of their portfolio | 41.5k $134.4k | New |
| Quinn Opportunity Partners LLC 0.01% of their portfolio | 40.0k $129.6k | New |
| Vanguard Personalized Indexing Management, LLC 0.00% of their portfolio | 38.3k $124.1k | Reduced -1.4k |
| MERCER GLOBAL ADVISORS INC /ADV 0.00% of their portfolio | 37.6k $122.0k | Added +11.9k |
| Balyasny Asset Management L.P. 0.00% of their portfolio | 37.6k $121.9k | New |
| AXQ CAPITAL, LP 0.01% of their portfolio | 36.5k $118.1k | New |
| SCS Capital Management LLC 0.00% of their portfolio | 35.0k $113.4k | Unchanged |
| Police & Firemen's Retirement System of New Jersey 0.00% of their portfolio | 33.9k $109.7k | Unchanged |
| Thrive Wealth Management, LLC 0.01% of their portfolio | 33.5k $108.5k | Unchanged |
| TWO SIGMA SECURITIES, LLC 0.01% of their portfolio | 33.1k $107.4k | Added +22.7k |
| INTERNATIONAL ASSETS INVESTMENT MANAGEMENT, LLC 0.01% of their portfolio | 31.2k $102.4k | Added +250 |
| CAPTRUST FINANCIAL ADVISORS 0.00% of their portfolio | 30.3k $98.2k | Added +2.3k |