STOKE THERAPEUTICS INC STOK
COM · Common Stock · CUSIP 86150R107 · ISIN US86150R1077
- SectorHealth care
- IndustryPharmaceutical Preparations
- HeadquartersBedford, MA
- 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. Holder counts are more reliable. Shares outstanding: 52.6m as of 2024-07-31, 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 ≈ $13.51. Options: 4 managers hold calls ($249.6k notional), 4 hold puts ($138.8k).
Trends to Q2 2024
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 105 |
| Q4 2022 | 108 |
| Q1 2023 | 98 |
| Q2 2023 | 101 |
| Q3 2023 | 98 |
| Q4 2023 | 82 |
| Q1 2024 | 104 |
| Q2 2024 | 116 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q4 2022 | 56 | 45 |
| Q1 2023 | 41 | 54 |
| Q2 2023 | 53 | 38 |
| Q3 2023 | 44 | 55 |
| Q4 2023 | 34 | 52 |
| Q1 2024 | 68 | 35 |
| Q2 2024 | 80 | 44 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2023 | $282.9k | $18.3k | 0.06 |
| Q4 2023 | $5.3k | $4.2k | 0.79 |
| Q1 2024 | $1.9m | $2.3m | 1.20 |
| Q2 2024 | $249.6k | $138.8k | 0.56 |
Biggest buyers
| Logos Global Management LP | New | +2.1m |
| BlackRock Inc. | Added | +1.6m |
| Lynx1 Capital Management LP | Added | +1.5m |
| Assenagon Asset Management S.A. | New | +1.5m |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | Added | +1.1m |
| STATE STREET CORP | Added | +1.0m |
| BAKER BROS. ADVISORS LP | Added | +1.0m |
| MARSHALL WACE, LLP | Added | +982.5k |
| VANGUARD GROUP INC | Added | +972.1k |
| Invesco Ltd. | New | +437.1k |
Biggest sellers
| MORGAN STANLEY | Reduced | -8.6m |
| Skorpios Trust | Reduced | -3.6m |
| DEUTSCHE BANK AG\ | Reduced | -396.2k |
| Redmile Group, LLC | Reduced | -352.0k |
| Artal Group S.A. | Sold out | -300.0k |
| Eversept Partners, LP | Reduced | -228.7k |
| Point72 Asset Management, L.P. | Sold out | -142.5k |
| Maven Securities LTD | Sold out | -100.0k |
| Laurion Capital Management LP | Sold out | -100.0k |
| GSA CAPITAL PARTNERS LLP | Sold out | -97.5k |
Biggest calls
| CITADEL ADVISORS LLC | Reduced | $152.7k11.3k shares |
| GROUP ONE TRADING LLC | Reduced | $73.0k5.4k shares |
| SIMPLEX TRADING, LLC | Reduced | $24.0k1.8k shares |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | Unchanged | $00 shares |
Biggest puts
| CITADEL ADVISORS LLC | Reduced | $110.8k8.2k shares |
| SIMPLEX TRADING, LLC | Reduced | $24.0k1.8k shares |
| GROUP ONE TRADING LLC | Reduced | $4.1k300 shares |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | Unchanged | $00 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 |
|---|---|
| RTW INVESTMENTS, LP 13G · institution -0.1 pts · filed 2026-05-15 | 9.9% |
| FMR LLC 13G · institution -1.3 pts · filed 2026-08-06 | 8.5% |
| BlackRock, Inc. 13G · institution +1.0 pts · filed 2025-10-17 | 6.8% |
| Redmile Group, LLC 13G · passive investor -1.3 pts · filed 2026-05-15 | 6.7% |
| Lynx1 Capital Management LP 13G · passive investor -1.6 pts · filed 2026-08-14 | 6.5% |
| MORGAN STANLEY 13G · institution filed 2025-02-03 | 6.5% |
| BAKER BROS. ADVISORS LP 13G · institution filed 2026-02-17 | 5.8% |
| BIOTECHNOLOGY VALUE FUND L P 13G · passive investor new · filed 2026-09-30 | 5.6% |
| WELLINGTON MANAGEMENT GROUP LLP 13G · institution new · filed 2026-05-15 | 5.2% |
Fell to 5% or below in the last year: TORONTO DOMINION BANK (4.9%, 2026-08-12), VANGUARD GROUP INC (0.0%, 2026-03-27), Cowen Financial Products LLC (0.0%, 2025-11-14)
Insider purchases and sales in Q2 2024
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 |
|---|---|---|---|---|---|
| Q3 2022 | 0 | — | 0 | — | — |
| Q4 2022 | 0 | — | 0 | — | — |
| Q1 2023 | 0 | — | 1 | $192.1k | — |
| Q2 2023 | 0 | — | 2 | $755.0k | $26.3k |
| Q3 2023 | 0 | — | 1 | $159.0k | — |
| Q4 2023 | 0 | — | 0 | — | — |
| Q1 2024 | 0 | — | 5 | $358.0k | $250.6k |
| Q2 2024 | 0 | — | 4 | $2.8m | $2.8m |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2024-06-03 | Ticho Barry CHIEF MEDICAL OFFICER | Sold plan | $152.2k10.0k shares |
| 2024-05-20 | Nash Huw M. COO & CBO | Sold plan | $769.5k50.0k shares |
| 2024-05-20 | Kaye Edward M. MD CEO, director | Sold plan | $653.5k42.4k shares |
| 2024-05-20 | Allan Jonathan GENERAL COUNSEL & CORP SEC | Sold plan | $129.3k8.6k shares |
| 2024-05-01 | Ticho Barry CHIEF MEDICAL OFFICER | Sold plan | $113.7k10.0k shares |
| 2024-04-17 | Ezbon International Ltd +3 10% owner · See Footnote | Sold | $41.8m3.6m shares |
| 2024-04-01 | Nash Huw M. COO & CBO | Sold plan | $810.9k61.3k shares |
| 2024-04-01 | Ticho Barry CHIEF MEDICAL OFFICER | Sold plan | $124.7k9.4k 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 2024
| Manager | Shares | Change |
|---|---|---|
| Skorpios Trust 99.89% of their portfolio | 10.8m $146.5m | Reduced -3.6m |
| BlackRock Inc. 0.00% of their portfolio | 5.4m $73.1m | Added +1.6m |
| Lynx1 Capital Management LP 25.27% of their portfolio | 5.2m $70.1m | Added +1.5m |
| Redmile Group, LLC 3.86% of their portfolio | 4.7m $63.8m | Reduced -352.0k |
| BAKER BROS. ADVISORS LP 0.75% of their portfolio | 4.4m $59.0m | Added +1.0m |
| RTW INVESTMENTS, LP 0.88% of their portfolio | 4.2m $57.1m | Unchanged |
| MORGAN STANLEY 0.00% of their portfolio | 3.5m $47.0m | Reduced -8.6m |
| COWEN AND COMPANY, LLC 1.26% of their portfolio | 3.4m $45.5m | Unchanged |
| VANGUARD GROUP INC 0.00% of their portfolio | 2.7m $36.3m | Added +972.1k |
| Logos Global Management LP 1.65% of their portfolio | 2.1m $28.4m | New |
| STATE STREET CORP 0.00% of their portfolio | 1.6m $21.5m | Added +1.0m |
| Assenagon Asset Management S.A. 0.05% of their portfolio | 1.5m $19.8m | New |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND 0.06% of their portfolio | 1.4m $18.7m | Added +1.1m |
| GOLDMAN SACHS GROUP INC 0.00% of their portfolio | 1.4m $18.5m | Reduced -36.5k |
| FRANKLIN RESOURCES INC 0.01% of their portfolio | 1.2m $16.4m | Added +157.9k |
| MARSHALL WACE, LLP 0.02% of their portfolio | 1.2m $15.7m | Added +982.5k |
| GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 794.2k $10.7m | Added +154.4k |
| Granahan Investment Management, LLC 0.32% of their portfolio | 598.4k $8.1m | Added +122.9k |
| Invesco Ltd. 0.00% of their portfolio | 437.1k $5.9m | New |
| Cormorant Asset Management, LP 0.34% of their portfolio | 427.2k $5.8m | Unchanged |
| Birchview Capital, LP 2.63% of their portfolio | 420.0k $5.7m | Unchanged |
| FMR LLC 0.00% of their portfolio | 398.0k $5.4m | Added +22.5k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio | 289.3k $3.9m | Added +66.2k |
| MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio | 289.1k $3.9m | Added +243.1k |
| NORTHERN TRUST CORP 0.00% of their portfolio | 282.6k $3.8m | Added +21.7k |
| DAFNA Capital Management LLC 0.67% of their portfolio | 207.4k $2.8m | Added +62.4k |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC 0.01% of their portfolio | 198.3k $2.7m | New |
| DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio | 191.4k $2.6m | Reduced -28.4k |
| Nuveen Asset Management, LLC 0.00% of their portfolio | 187.4k $2.5m | Added +67.5k |
| Trexquant Investment LP 0.04% of their portfolio | 179.6k $2.4m | Added +148.6k |
| Sio Capital Management, LLC 0.89% of their portfolio | 175.3k $2.4m | Reduced -50.2k |
| WELLINGTON MANAGEMENT GROUP LLP 0.00% of their portfolio | 143.6k $1.9m | Added +285 |
| SILVERARC CAPITAL MANAGEMENT, LLC 0.47% of their portfolio | 141.5k $1.9m | New |
| D. E. Shaw & Co., Inc. 0.00% of their portfolio | 137.0k $1.9m | Reduced -56.8k |
| Walleye Capital LLC 0.02% of their portfolio | 126.8k $1.7m | New |
| Palo Alto Investors LP 0.20% of their portfolio | 125.9k $1.7m | Unchanged |
| UBS Group AG 0.00% of their portfolio | 118.3k $1.6m | Added +78.8k |
| Bank of New York Mellon Corp 0.00% of their portfolio | 115.9k $1.6m | Added +26.0k |
| TWO SIGMA INVESTMENTS, LP 0.00% of their portfolio | 114.9k $1.6m | Added +99.4k |
| Woodline Partners LP 0.01% of their portfolio | 100.2k $1.4m | Reduced -6.7k |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 97.8k $1.3m | Added +69.2k |
| Qube Research & Technologies Ltd 0.00% of their portfolio | 97.8k $1.3m | New |
| GILDER GAGNON HOWE & CO LLC 0.01% of their portfolio | 88.6k $1.2m | Reduced -1.2k |
| Rafferty Asset Management, LLC 0.00% of their portfolio | 79.9k $1.1m | New |
| Fort Point Capital Partners LLC 0.13% of their portfolio | 75.4k $1.0m | Unchanged |
| JANE STREET GROUP, LLC 0.00% of their portfolio | 75.4k $1.0m | Added +61.0k |
| SG Americas Securities, LLC 0.01% of their portfolio | 68.6k $927.0k | Added +58.9k |
| LOS ANGELES CAPITAL MANAGEMENT LLC 0.00% of their portfolio | 66.8k $902.0k | Added +4.5k |
| Swiss National Bank 0.00% of their portfolio | 66.4k $897.1k | New |
| Eversept Partners, LP 0.06% of their portfolio | 61.3k $827.9k | Reduced -228.7k |
| AMERICAN CENTURY COMPANIES INC 0.00% of their portfolio | 59.1k $799.1k | Added +29.5k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio | 57.4k $775.5k | New |
| RHUMBLINE ADVISERS 0.00% of their portfolio | 47.9k $646.6k | Added +6.0k |
| JACOBS LEVY EQUITY MANAGEMENT, INC 0.00% of their portfolio | 46.1k $622.3k | Reduced -1.9k |
| Verition Fund Management LLC 0.00% of their portfolio | 44.2k $597.2k | New |
| Susquehanna Portfolio Strategies, LLC 0.02% of their portfolio | 43.4k $586.7k | Unchanged |
| ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio | 40.6k $548.9k | Added +3.3k |
| STATE OF WISCONSIN INVESTMENT BOARD 0.00% of their portfolio | 40.6k $548.5k | Reduced -7.6k |
| Informed Momentum Co LLC 0.08% of their portfolio | 37.6k $508.5k | Reduced -8.2k |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio | 35.0k $474.0k | Added +3.6k |
| Jump Financial, LLC 0.01% of their portfolio | 34.3k $463.1k | New |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio | 33.1k $447.0k | Added +30.3k |
| Legal & General Group Plc 0.00% of their portfolio | 32.8k $443.0k | Added +30.5k |
| BARCLAYS PLC 0.00% of their portfolio | 32.5k $439.1k | Added +11.9k |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 30.5k $412.1k | Added +8.6k |
| Engineers Gate Manager LP 0.01% of their portfolio | 27.9k $377.3k | New |
| EntryPoint Capital, LLC 0.16% of their portfolio | 25.9k $350.3k | New |
| MetLife Investment Management, LLC 0.00% of their portfolio | 20.8k $281.1k | Added +12.5k |
| CHASE INVESTMENT COUNSEL CORP 0.10% of their portfolio | 20.7k $280.0k | Unchanged |
| TWO SIGMA ADVISERS, LP 0.00% of their portfolio | 19.7k $266.1k | New |
| Corebridge Financial, Inc. 0.00% of their portfolio | 19.1k $258.5k | First filing |
| JANUS HENDERSON GROUP PLC 0.00% of their portfolio | 18.9k $255.0k | New |
| TUDOR INVESTMENT CORP ET AL 0.00% of their portfolio | 18.4k $248.6k | Reduced -14.9k |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% of their portfolio | 17.7k $237.9k | First filing |
| DEUTSCHE BANK AG\ 0.00% of their portfolio | 16.0k $216.6k | Reduced -396.2k |
| CITIGROUP INC 0.00% of their portfolio | 15.1k $204.6k | Added +9.7k |
| Squarepoint Ops LLC 0.00% of their portfolio | 15.0k $203.2k | Reduced -36.1k |
| Ghisallo Capital Management LLC 0.02% of their portfolio | 15.0k $202.7k | Reduced -15.0k |
| PROFUND ADVISORS LLC 0.01% of their portfolio | 14.9k $201.2k | New |
| PDT Partners, LLC 0.02% of their portfolio | 14.0k $189.7k | Reduced -7.4k |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.00% of their portfolio | 14.0k $188.7k | Added +2.0k |
| VOYA INVESTMENT MANAGEMENT LLC 0.00% of their portfolio | 11.9k $161.2k | New |
| WELLS FARGO & COMPANY/MN 0.00% of their portfolio | 11.4k $153.8k | Added +1.5k |
| RENAISSANCE TECHNOLOGIES LLC 0.00% of their portfolio | 11.2k $151.3k | Reduced -7.9k |
| Dorsey & Whitney Trust CO LLC 0.01% of their portfolio | 10.8k $146.1k | Unchanged |
| NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio | 10.6k $143.7k | Added +52 |
| AMERIPRISE FINANCIAL INC 0.00% of their portfolio | 10.3k $139.2k | New |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio | 10.2k $138.2k | Reduced -69.3k |
| CANADA LIFE ASSURANCE Co 0.00% of their portfolio | 10.0k $135.0k | Added +7.6k |
| Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% of their portfolio | 9.1k $123.3k | New |
| Ikarian Capital, LLC 0.03% of their portfolio | 6.8k $92.1k | Unchanged |
| VIRTUS ADVISERS, LLC 0.03% of their portfolio | 5.2k $69.8k | New |
| SIMPLEX TRADING, LLC 0.00% of their portfolio | 4.7k $63.0k | Added +3.6k |
| BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio | 4.5k $60.9k | Reduced -9.8k |
| Tower Research Capital LLC (TRC) 0.00% of their portfolio | 4.0k $54.3k | Added +1.4k |
| Ameritas Investment Partners, Inc. 0.00% of their portfolio | 3.5k $47.1k | Added +1.2k |
| ROYAL BANK OF CANADA 0.00% of their portfolio | 3.3k $45.0k | Added +2.3k |
| NISA INVESTMENT ADVISORS, LLC 0.00% of their portfolio | 3.0k $40.4k | Added +1.0k |
| STRS OHIO 0.00% of their portfolio | 2.3k $31.1k | New |
| AlphaQuest LLC 0.00% of their portfolio | 2.1k $28.5k | New |