VIRIDIAN THERAPEUTICS INC VRDN
COM · Common Stock · CUSIP 92790C104
- SectorHealth care
- IndustryPharmaceutical Preparations
- HeadquartersWaltham, 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 ($898.8k this quarter). Holder counts are more reliable. Shares outstanding: 113.3m as of 2026-08-03, 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 ≈ $18.38. Options: 10 managers hold calls ($8.2m notional), 4 hold puts ($1.7m).
Trends to Q2 2026
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 105 |
| Q4 2022 | 123 |
| Q1 2023 | 137 |
| Q2 2023 | 130 |
| Q3 2023 | 126 |
| Q4 2023 | 134 |
| Q1 2024 | 138 |
| Q2 2024 | 140 |
| Q3 2024 | 167 |
| Q4 2024 | 181 |
| Q1 2025 | 179 |
| Q2 2025 | 173 |
| Q3 2025 | 170 |
| Q4 2025 | 230 |
| Q1 2026 | 226 |
| Q2 2026 | 214 |
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 | 107 | 56 |
| Q4 2024 | 108 | 66 |
| Q1 2025 | 91 | 79 |
| Q2 2025 | 81 | 93 |
| Q3 2025 | 70 | 82 |
| Q4 2025 | 149 | 60 |
| Q1 2026 | 119 | 115 |
| Q2 2026 | 141 | 106 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2025 | $1.0m | $2.1m | 2.10 |
| Q4 2025 | $1.5m | $728.2k | 0.48 |
| Q1 2026 | $6.3m | $10.7m | 1.71 |
| Q2 2026 | $8.2m | $1.7m | 0.20 |
Biggest buyers
| Kynam Capital Management, LP | Added | +4.1m |
| Paradigm Biocapital Advisors LP | Added | +3.6m |
| PRICE T ROWE ASSOCIATES INC /MD/ | Added | +2.5m |
| Deep Track Capital, LP | Added | +2.2m |
| Caligan Partners LP | New | +2.2m |
| Point72 Asset Management, L.P. | Added | +2.0m |
| STATE STREET CORP | Added | +1.5m |
| FMR LLC | Added | +1.2m |
| Fairmount Funds Management LLC | Added | +1.2m |
| UBS Group AG | Added | +1.1m |
Biggest sellers
| CITADEL ADVISORS LLC | Reduced | -2.3m |
| Balyasny Asset Management L.P. | Reduced | -1.0m |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | Sold out | -970.0k |
| LOOMIS SAYLES & CO L P | Sold out | -927.7k |
| MetLife Investment Management, LLC | Reduced | -655.8k |
| FEDERATED HERMES, INC. | Reduced | -654.7k |
| MPM BIOIMPACT LLC | Sold out | -649.9k |
| Venrock Adviser, LLC | Reduced | -624.8k |
| PERCEPTIVE ADVISORS LLC | Reduced | -588.8k |
| DEUTSCHE BANK AG\ | Reduced | -549.4k |
Biggest calls
| CITADEL ADVISORS LLC | New | $2.6m139.1k shares |
| NOMURA HOLDINGS INC | New | $1.8m100.2k shares |
| J. Goldman & Co LP | Unchanged | $1.2m67.5k shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $856.0k46.6k shares |
| JANE STREET GROUP, LLC | New | $551.1k30.0k shares |
| Greenland Capital Management LP | New | $459.2k25.0k shares |
| SIMPLEX TRADING, LLC | Added | $295.8k16.1k shares |
| Point72 Asset Management, L.P. | New | $238.8k13.0k shares |
| GROUP ONE TRADING LLC | Added | $170.8k9.3k shares |
| Farther Finance Advisors, LLC | New | $24.0k1.3k shares |
Biggest puts
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $911.2k49.6k shares |
| CITADEL ADVISORS LLC | Reduced | $573.1k31.2k shares |
| Greenland Capital Management LP | New | $183.7k10.0k shares |
| SIMPLEX TRADING, LLC | Reduced | $12.9k700 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 |
|---|---|
Fairmount Funds Management LLC
13D · may seek influence
-1.1 pts · filed 2026-05-13
Stated purposeItem 4 is hereby amended and supplemented as follows: Fund II purchased the shares of Common Stock referenced in Item 3 for investment purposes. Full filing |
14.0% |
| Bellevue Group AG 13G · institution new · filed 2026-05-15 | 6.6% |
| Paradigm Biocapital Advisors LP 13G · passive investor +1.0 pts · filed 2026-08-14 | 6.1% |
| Kynam Capital Management, LP 13G · institution +4.2 pts · filed 2026-08-14 | 5.7% |
| STATE STREET CORP 13G · institution new · filed 2026-08-07 | 5.5% |
| PRICE T ROWE ASSOCIATES INC /MD/ 13G · institution new · filed 2026-08-14 | 5.2% |
| Point72 Asset Management, L.P. 13G · passive investor new · filed 2026-08-20 | 5.0% |
Fell to 5% or below in the last year: Deep Track Capital, LP (3.2%, 2026-08-14), VANGUARD GROUP INC (0.0%, 2026-03-27), Commodore Capital LP (3.9%, 2025-11-14)
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 | — | 0 | — | — |
| Q1 2025 | 0 | — | 0 | — | — |
| Q2 2025 | 0 | — | 0 | — | — |
| Q3 2025 | 0 | — | 0 | — | — |
| Q4 2025 | 1 | $10.0m | 1 | $70.8k | — |
| Q1 2026 | 0 | — | 0 | — | — |
| Q2 2026 | 1 | $20.0m | 0 | — | — |
| Q3 2026 | 0 | — | 1 | $348.2k | — |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2026-08-19 | Tousignant Jennifer Chief Legal Officer | Sold | $348.2k14.2k shares |
| 2026-05-11 | Fairmount Healthcare Fund II L.P. +2 Director · By Fairmount Healthcare Fund II L.P. | Bought | $20.0m1.2m 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 |
|---|---|---|
| FMR LLC 0.01% of their portfolio | 16.6m $305.0m | Added +1.2m |
| BlackRock, Inc. 0.00% of their portfolio | 8.6m $157.1m | Added +720.0k |
| Bellevue Group AG 2.60% of their portfolio | 6.7m $123.7m | Added +5.8k |
| Paradigm Biocapital Advisors LP 2.31% of their portfolio | 6.7m $123.5m | Added +3.6m |
| Kynam Capital Management, LP 6.55% of their portfolio | 6.5m $118.6m | Added +4.1m |
| STATE STREET CORP 0.00% of their portfolio | 6.1m $112.5m | Added +1.5m |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.01% of their portfolio | 5.7m $105.6m | Added +2.5m |
| Fairmount Funds Management LLC 6.18% of their portfolio | 5.1m $93.5m | Added +1.2m |
| VANGUARD CAPITAL MANAGEMENT LLC 0.00% of their portfolio | 4.6m $84.1m | Added +409.7k |
| Deep Track Capital, LP 0.97% of their portfolio | 3.6m $66.0m | Added +2.2m |
| Venrock Adviser, LLC 1.81% of their portfolio | 3.3m $59.8m | Reduced -624.8k |
| WELLINGTON MANAGEMENT GROUP LLP 0.01% of their portfolio | 3.1m $57.5m | Added +49.8k |
| VANGUARD PORTFOLIO MANAGEMENT LLC 0.00% of their portfolio | 2.8m $50.6m | Added +1.1m |
| GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 2.5m $46.0m | Added +168.7k |
| Avoro Capital Advisors LLC 0.41% of their portfolio | 2.5m $45.9m | Added +1.0m |
| BAKER BROS. ADVISORS LP 0.22% of their portfolio | 2.4m $43.8m | Added +411.3k |
| Point72 Asset Management, L.P. 0.07% of their portfolio | 2.3m $43.0m | Added +2.0m |
| Caligan Partners LP 1.94% of their portfolio | 2.2m $40.3m | New |
| NOVO HOLDINGS A/S 2.28% of their portfolio | 2.1m $39.2m | Added +135.0k |
| TANG CAPITAL MANAGEMENT LLC 1.50% of their portfolio | 1.8m $32.9m | Unchanged |
| Fisher Asset Management, LLC 0.01% of their portfolio | 1.8m $32.2m | Reduced -17.4k |
| Candriam S.C.A. 0.14% of their portfolio | 1.7m $31.3m | Added +996.0k |
| GOLDMAN SACHS GROUP INC 0.00% of their portfolio | 1.7m $31.1m | Added +99.4k |
| First Turn Management, LLC 3.28% of their portfolio | 1.7m $30.7m | Added +758.7k |
| DIMENSIONAL FUND ADVISORS LP 0.01% of their portfolio | 1.6m $29.6m | Added +1.1m |
| UBS Group AG 0.00% of their portfolio | 1.4m $26.2m | Added +1.1m |
| ALLIANCEBERNSTEIN L.P. 0.01% of their portfolio | 1.4m $27.2m | Reduced -433 |
| Parkman Healthcare Partners LLC 2.60% of their portfolio | 1.4m $25.3m | Added +819.6k |
| Balyasny Asset Management L.P. 0.04% of their portfolio | 1.3m $23.5m | Reduced -1.0m |
| D. E. Shaw & Co., Inc. 0.01% of their portfolio | 1.2m $21.7m | Reduced -80.3k |
| RICE HALL JAMES & ASSOCIATES, LLC 1.05% of their portfolio | 1.2m $21.6m | Added +277.3k |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.01% of their portfolio | 1.1m $20.4m | Added +1.1m |
| BNP PARIBAS FINANCIAL MARKETS 0.01% of their portfolio | 1.0m $18.6m | Added +745.7k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio | 999.9k $18.4m | Added +111.6k |
| Elmind Capital, LP 4.55% of their portfolio | 984.9k $18.1m | Added +450.0k |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 944.3k $17.3m | Reduced -219.3k |
| NORTHERN TRUST CORP 0.00% of their portfolio | 863.5k $15.9m | Added +166.5k |
| Eversept Partners, LP 0.83% of their portfolio | 831.1k $15.3m | Added +117.9k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio | 815.0k $15.0m | Added +87.1k |
| Schonfeld Strategic Advisors LLC 0.08% of their portfolio | 793.5k $14.6m | New |
| RENAISSANCE TECHNOLOGIES LLC 0.02% of their portfolio | 768.6k $14.1m | Added +565.5k |
| MORGAN STANLEY 0.00% of their portfolio | 728.8k $13.4m | Reduced -141.3k |
| Woodline Partners LP 0.04% of their portfolio | 700.9k $12.9m | Unchanged |
| VANGUARD FIDUCIARY TRUST CO 0.00% of their portfolio | 657.6k $12.1m | Added +66.4k |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 639.9k $12.1m | Reduced -419.9k |
| PERCEPTIVE ADVISORS LLC 0.17% of their portfolio | 582.0k $10.7m | Reduced -588.8k |
| BOOTHBAY FUND MANAGEMENT, LLC 0.19% of their portfolio | 541.1k $9.9m | New |
| EMERALD ADVISERS, LLC 0.23% of their portfolio | 537.3k $9.9m | New |
| DEUTSCHE BANK AG\ 0.00% of their portfolio | 482.9k $8.9m | Reduced -549.4k |
| ALGERT GLOBAL LLC 0.11% of their portfolio | 482.2k $8.9m | Reduced -81.8k |
| Ikarian Capital, LLC 1.28% of their portfolio | 425.0k $7.8m | New |
| Yiheng Capital Management, L.P. 3.24% of their portfolio | 400.5k $7.4m | Added +191.7k |
| Jump Financial, LLC 0.07% of their portfolio | 398.3k $7.3m | Added +334.1k |
| EMERALD MUTUAL FUND ADVISERS TRUST 0.26% of their portfolio | 395.5k $7.3m | New |
| PANAGORA ASSET MANAGEMENT INC 0.02% of their portfolio | 324.7k $6.0m | Added +11.0k |
| XTX Topco Ltd 0.07% of their portfolio | 275.2k $5.1m | Added +21.2k |
| Bank of New York Mellon Corp 0.00% of their portfolio | 268.1k $4.9m | Added +51.5k |
| Blue Owl Capital Holdings LP 0.73% of their portfolio | 260.0k $4.8m | New |
| Affinity Asset Advisors, LLC 0.22% of their portfolio | 250.0k $4.6m | Unchanged |
| VOYA INVESTMENT MANAGEMENT LLC 0.00% of their portfolio | 249.8k $4.6m | Reduced -12.3k |
| TD Asset Management Inc 0.00% of their portfolio | 235.6k $4.3m | Added +180.2k |
| Hennion & Walsh Asset Management, Inc. 0.11% of their portfolio | 209.1k $3.8m | Added +34.2k |
| Nuveen, LLC 0.00% of their portfolio | 199.2k $3.7m | Reduced -405.7k |
| CAPITAL FUND MANAGEMENT S.A. 0.03% of their portfolio | 197.8k $3.6m | New |
| FIRST TRUST ADVISORS LP 0.00% of their portfolio | 181.2k $3.3m | Reduced -120.3k |
| Knott David M Jr 1.76% of their portfolio | 181.0k $3.3m | Unchanged |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.00% of their portfolio | 180.3k $3.3m | Added +98.9k |
| Squarepoint Ops LLC 0.01% of their portfolio | 177.0k $3.3m | Added +133.0k |
| Privium Fund Management B.V. 0.59% of their portfolio | 173.5k $3.2m | Unchanged |
| HighVista Strategies LLC 0.67% of their portfolio | 159.9k $2.9m | Added +25.7k |
| Swiss National Bank 0.00% of their portfolio | 155.1k $2.8m | Added +26.5k |
| CITIGROUP INC 0.00% of their portfolio | 140.4k $2.6m | Added +117.0k |
| F/m Investments LLC 0.13% of their portfolio | 134.8k $2.5m | New |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. 0.00% of their portfolio | 134.5k $2.5m | Reduced -5.8k |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio | 130.3k $2.4m | Added +76.0k |
| AQR CAPITAL MANAGEMENT LLC 0.00% of their portfolio | 127.3k $2.3m | Added +107.1k |
| KVP Capital Advisors, LP 1.69% of their portfolio | 125.0k $2.3m | Unchanged |
| Lighthouse Investment Partners, LLC 0.07% of their portfolio | 120.0k $2.2m | New |
| RHUMBLINE ADVISERS 0.00% of their portfolio | 117.7k $2.2m | Added +17.7k |
| WELLS FARGO & COMPANY/MN 0.00% of their portfolio | 115.6k $2.1m | Added +22.4k |
| Russell Investments Group, Ltd. 0.00% of their portfolio | 115.3k $2.1m | Reduced -119.3k |
| ALPS ADVISORS INC 0.01% of their portfolio | 111.6k $2.0m | New |
| SG Americas Securities, LLC 0.00% of their portfolio | 109.1k $2.0m | Added +49.0k |
| Rafferty Asset Management, LLC 0.00% of their portfolio | 108.7k $2.0m | Reduced -33.2k |
| J. Safra Sarasin Holding AG 0.03% of their portfolio | 107.8k $2.0m | Added +34.8k |
| JACOBS LEVY EQUITY MANAGEMENT, INC 0.01% of their portfolio | 101.4k $1.9m | New |
| Invesco Ltd. 0.00% of their portfolio | 100.9k $1.9m | Reduced -51.7k |
| DIADEMA PARTNERS LP 0.65% of their portfolio | 100.0k $1.8m | New |
| Voleon Capital Management LP 0.03% of their portfolio | 97.6k $1.8m | Reduced -172.1k |
| Y-Intercept (Hong Kong) Ltd 0.04% of their portfolio | 96.8k $1.8m | New |
| Merck & Co., Inc. 0.33% of their portfolio | 93.4k $1.7m | Unchanged |
| FIDEURAM - INTESA SANPAOLO PRIVATE BANKING S.P.A. 0.05% of their portfolio | 92.1k $1.7m | Added +22.6k |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio | 91.4k $1.7m | Added +10.4k |
| Caption Management, LLC 0.06% of their portfolio | 86.0k $1.6m | Added +40.9k |
| VICTORY CAPITAL MANAGEMENT INC 0.00% of their portfolio | 81.6k $1.5m | Reduced -106.5k |
| BARCLAYS PLC 0.00% of their portfolio | 81.4k $1.5m | Reduced -19.2k |
| Aquatic Capital Management LLC 0.05% of their portfolio | 79.8k $1.5m | Added +11.4k |
| Knights of Columbus Asset Advisors LLC 0.06% of their portfolio | 70.6k $1.3m | Added +12.8k |
| Burkehill Global Management, LP 0.04% of their portfolio | 65.0k $1.2m | Unchanged |
| Legal & General Group Plc 0.00% of their portfolio | 64.8k $1.2m | Added +5.2k |