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 ($936.6k this quarter). Holder counts are more reliable. Shares outstanding: 79.2m as of 2024-11-07, 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 ≈ $22.75. Options: 10 managers hold calls ($13.9m notional), 7 hold puts ($12.9m).
Trends to Q3 2024
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 |
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 | 77 | 40 |
| Q1 2023 | 83 | 52 |
| Q2 2023 | 85 | 49 |
| Q3 2023 | 69 | 54 |
| Q4 2023 | 66 | 59 |
| Q1 2024 | 85 | 53 |
| Q2 2024 | 88 | 44 |
| Q3 2024 | 107 | 56 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q4 2023 | $1.9m | $590.1k | 0.32 |
| Q1 2024 | $2.9m | $6.2m | 2.17 |
| Q2 2024 | $4.0m | $6.9m | 1.73 |
| Q3 2024 | $13.9m | $12.9m | 0.93 |
Biggest buyers
| Driehaus Capital Management LLC | New | +2.0m |
| EcoR1 Capital, LLC | New | +2.0m |
| FMR LLC | Added | +1.6m |
| Fairmount Funds Management LLC | Added | +1.6m |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | New | +1.2m |
| PERCEPTIVE ADVISORS LLC | Added | +1.2m |
| VANGUARD GROUP INC | Added | +1.1m |
| TANG CAPITAL MANAGEMENT LLC | Added | +850.0k |
| Kynam Capital Management, LP | Added | +761.3k |
| MORGAN STANLEY | Added | +689.3k |
Biggest sellers
| MAVERICK CAPITAL LTD | Reduced | -1.3m |
| Polar Capital Holdings Plc | Sold out | -889.2k |
| RTW INVESTMENTS, LP | Sold out | -605.8k |
| Ghost Tree Capital, LLC | Reduced | -512.7k |
| STATE STREET CORP | Reduced | -392.6k |
| Rosalind Advisors, Inc. | Sold out | -300.0k |
| Nuveen Asset Management, LLC | Reduced | -270.0k |
| GOLDMAN SACHS GROUP INC | Reduced | -260.7k |
| Soleus Capital Management, L.P. | Reduced | -245.0k |
| ACUTA CAPITAL PARTNERS, LLC | Sold out | -199.4k |
Biggest calls
| Ikarian Capital, LLC | Added | $4.5m200.0k shares |
| Caption Management, LLC | New | $4.4m192.0k shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $1.7m74.3k shares |
| BOOTHBAY FUND MANAGEMENT, LLC | Added | $1.3m58.5k shares |
| CITADEL ADVISORS LLC | Reduced | $641.5k28.2k shares |
| GROUP ONE TRADING LLC | Added | $582.4k25.6k shares |
| JANE STREET GROUP, LLC | New | $339.0k14.9k shares |
| Valence8 US LP | New | $298.0k13.1k shares |
| SIMPLEX TRADING, LLC | Reduced | $145.0k6.4k shares |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | Unchanged | $00 shares |
Biggest puts
| Caption Management, LLC | Added | $4.8m210.4k shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $2.3m99.5k shares |
| JANE STREET GROUP, LLC | New | $1.9m81.6k shares |
| SIMPLEX TRADING, LLC | Added | $1.8m79.5k shares |
| GROUP ONE TRADING LLC | Added | $1.1m50.3k shares |
| CITADEL ADVISORS LLC | Added | $1.1m47.2k 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 |
|---|---|
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)
Insider purchases and sales in Q3 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 |
|---|---|---|---|---|---|
| Q4 2022 | 0 | — | 1 | $1.2m | — |
| Q1 2023 | 1 | $160.3k | 3 | $6.1m | — |
| Q2 2023 | 1 | $101.5k | 1 | $250.5k | $186.1k |
| Q3 2023 | 0 | — | 0 | — | — |
| Q4 2023 | 0 | — | 0 | — | — |
| Q1 2024 | 1 | $10.0m | 0 | — | — |
| Q2 2024 | 0 | — | 0 | — | — |
| Q3 2024 | 3 | $30.6m | 0 | — | — |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2024-09-27 | Mahoney Stephen F. President and CEO, director | Bought | $499.3k21.4k shares |
| 2024-09-27 | Beetham Thomas W. Chief Operating Officer | Bought | $117.0k5.0k shares |
| 2024-09-13 | Fairmount Healthcare Fund II L.P. +2 Director · Fairmount Healthcare Fund II LP | Bought | $30.0m1.6m 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, Q3 2024
| Manager | Shares | Change |
|---|---|---|
| FMR LLC 0.02% of their portfolio | 11.2m $254.4m | Added +1.6m |
| BlackRock, Inc. 0.00% of their portfolio | 4.8m $109.3m | First filing |
| VANGUARD GROUP INC 0.00% of their portfolio | 4.4m $100.6m | Added +1.1m |
| Venrock Adviser, LLC 4.63% of their portfolio | 3.9m $88.3m | Added +38 |
| Deep Track Capital, LP 2.72% of their portfolio | 3.8m $85.3m | Reduced -172.9k |
| Fairmount Funds Management LLC 6.36% of their portfolio | 3.4m $78.4m | Added +1.6m |
| Paradigm Biocapital Advisors LP 2.31% of their portfolio | 2.9m $65.9m | Reduced -660 |
| PERCEPTIVE ADVISORS LLC 1.37% of their portfolio | 2.8m $64.0m | Added +1.2m |
| Commodore Capital LP 3.63% of their portfolio | 2.6m $58.0m | Added +22.1k |
| Kynam Capital Management, LP 4.43% of their portfolio | 2.5m $57.1m | Added +761.3k |
| NOVO HOLDINGS A/S 2.69% of their portfolio | 2.4m $54.3m | Added +385.0k |
| STATE STREET CORP 0.00% of their portfolio | 2.4m $54.1m | Reduced -392.6k |
| TANG CAPITAL MANAGEMENT LLC 3.65% of their portfolio | 2.2m $51.0m | Added +850.0k |
| ALLIANCEBERNSTEIN L.P. 0.02% of their portfolio | 2.2m $50.1m | Added +204.5k |
| MAVERICK CAPITAL LTD 0.89% of their portfolio | 2.0m $45.4m | Reduced -1.3m |
| Driehaus Capital Management LLC 0.39% of their portfolio | 2.0m $45.3m | New |
| EcoR1 Capital, LLC 1.53% of their portfolio | 2.0m $44.6m | New |
| Vivo Capital, LLC 3.16% of their portfolio | 1.7m $38.2m | Unchanged |
| GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 1.5m $34.0m | Added +82.0k |
| ADAGE CAPITAL PARTNERS GP, L.L.C. 0.05% of their portfolio | 1.2m $27.4m | New |
| Pictet Asset Management Holding SA 0.03% of their portfolio | 1.0m $23.3m | Added +3.2k |
| MORGAN STANLEY 0.00% of their portfolio | 1.0m $23.0m | Added +689.3k |
| Octagon Capital Advisors LP 3.17% of their portfolio | 870.0k $19.8m | Added +250.0k |
| Yiheng Capital Management, L.P. 3.56% of their portfolio | 847.9k $19.3m | Reduced -100.2k |
| Woodline Partners LP 0.16% of their portfolio | 819.0k $18.6m | Added +418.1k |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 800.7k $18.2m | Added +549.3k |
| Schonfeld Strategic Advisors LLC 0.14% of their portfolio | 763.1k $17.4m | Added +617.4k |
| GREAT POINT PARTNERS LLC 5.15% of their portfolio | 750.0k $17.1m | Added +250.0k |
| Candriam S.C.A. 0.10% of their portfolio | 749.8k $17.1m | Unchanged |
| GOLDMAN SACHS GROUP INC 0.00% of their portfolio | 739.3k $16.8m | Reduced -260.7k |
| 5AM Venture Management, LLC 3.46% of their portfolio | 736.6k $16.8m | Unchanged |
| Eversept Partners, LP 1.21% of their portfolio | 691.2k $15.7m | Added +123.7k |
| MARSHALL WACE, LLP 0.02% of their portfolio | 684.8k $15.6m | Added +611.8k |
| MILLENNIUM MANAGEMENT LLC 0.01% of their portfolio | 668.0k $15.2m | Added +439.9k |
| Nationale-Nederlanden Powszechne Towarzystwo Emerytalne S.A. 2.00% of their portfolio | 633.1k $14.4m | New |
| NORTHERN TRUST CORP 0.00% of their portfolio | 581.6k $13.2m | Added +101.7k |
| Walleye Capital LLC 0.14% of their portfolio | 560.0k $12.7m | Added +129.4k |
| Affinity Asset Advisors, LLC 1.85% of their portfolio | 525.0k $11.9m | Added +375.0k |
| Cutter Capital Management, LP 3.48% of their portfolio | 518.7k $11.8m | New |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio | 516.2k $11.7m | Added +32.3k |
| Ikarian Capital, LLC 3.53% of their portfolio | 500.0k $11.4m | New |
| Fisher Asset Management, LLC 0.00% of their portfolio | 494.9k $11.3m | Added +99.4k |
| TWO SIGMA INVESTMENTS, LP 0.02% of their portfolio | 482.1k $11.0m | Added +62.3k |
| TWO SIGMA ADVISERS, LP 0.02% of their portfolio | 444.8k $10.1m | Reduced -81.9k |
| Russell Investments Group, Ltd. 0.01% of their portfolio | 442.3k $10.1m | Added +92.7k |
| Parkman Healthcare Partners LLC 1.23% of their portfolio | 425.0k $9.7m | New |
| LORD, ABBETT & CO. LLC 0.03% of their portfolio | 392.0k $8.9m | New |
| DEUTSCHE BANK AG\ 0.00% of their portfolio | 379.5k $8.6m | Added +331.1k |
| JANE STREET GROUP, LLC 0.01% of their portfolio | 351.2k $8.0m | Added +238.1k |
| Exome Asset Management LLC 2.70% of their portfolio | 348.8k $7.9m | New |
| Balyasny Asset Management L.P. 0.02% of their portfolio | 339.1k $7.7m | New |
| DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio | 327.1k $7.4m | Added +219.5k |
| EAGLE ASSET MANAGEMENT INC 0.04% of their portfolio | 313.1k $7.9m | Reduced -60.3k |
| Integral Health Asset Management, LLC 0.67% of their portfolio | 250.0k $5.7m | New |
| CITADEL ADVISORS LLC 0.01% of their portfolio | 241.3k $5.5m | Added +196.6k |
| WELLINGTON MANAGEMENT GROUP LLP 0.00% of their portfolio | 236.0k $5.4m | Reduced -48.1k |
| Nuveen Asset Management, LLC 0.00% of their portfolio | 228.4k $5.2m | Reduced -270.0k |
| Kopp Family Office, LLC 2.98% of their portfolio | 205.7k $4.7m | Unchanged |
| Hennion & Walsh Asset Management, Inc. 0.21% of their portfolio | 197.4k $4.5m | Added +18.5k |
| HighVista Strategies LLC 1.45% of their portfolio | 185.2k $4.2m | Reduced -13.2k |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 181.0k $4.1m | Reduced -29.7k |
| PRINCIPAL FINANCIAL GROUP INC 0.00% of their portfolio | 172.8k $3.9m | Added +162.7k |
| Bank of New York Mellon Corp 0.00% of their portfolio | 170.8k $3.9m | Reduced -37.8k |
| PANAGORA ASSET MANAGEMENT INC 0.02% of their portfolio | 168.4k $3.8m | New |
| Atika Capital Management LLC 0.41% of their portfolio | 167.0k $3.8m | New |
| Polar Asset Management Partners Inc. 0.09% of their portfolio | 163.0k $3.7m | Added +53.1k |
| Crestline Management, L.P. 0.20% of their portfolio | 152.5k $3.5m | New |
| BOOTHBAY FUND MANAGEMENT, LLC 0.10% of their portfolio | 146.7k $3.3m | New |
| MACQUARIE GROUP LTD 0.00% of their portfolio | 143.4k $3.3m | Added +114.0k |
| Trexquant Investment LP 0.04% of their portfolio | 142.6k $3.2m | Added +100.8k |
| Jump Financial, LLC 0.07% of their portfolio | 142.0k $3.2m | Added +123.2k |
| D. E. Shaw & Co., Inc. 0.00% of their portfolio | 138.1k $3.1m | New |
| BARCLAYS PLC 0.00% of their portfolio | 125.4k $2.9m | Added +66.5k |
| ALGERT GLOBAL LLC 0.07% of their portfolio | 114.9k $2.6m | Added +59.4k |
| Swiss National Bank 0.00% of their portfolio | 108.1k $2.5m | Added +15.5k |
| Soleus Capital Management, L.P. 0.18% of their portfolio | 95.0k $2.2m | Reduced -245.0k |
| Rafferty Asset Management, LLC 0.01% of their portfolio | 90.7k $2.1m | Reduced -54.3k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio | 89.5k $2.0m | Added +20.2k |
| RHUMBLINE ADVISERS 0.00% of their portfolio | 88.3k $2.0m | Reduced -2.5k |
| SPHERA FUNDS MANAGEMENT LTD. 0.32% of their portfolio | 86.1k $2.0m | New |
| UBS Group AG 0.00% of their portfolio | 84.7k $1.9m | Reduced -145.6k |
| BIT Capital GmbH 0.18% of their portfolio | 84.1k $1.9m | Reduced -61.4k |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio | 75.9k $1.7m | Added +26.7k |
| Ghost Tree Capital, LLC 0.62% of their portfolio | 75.0k $1.7m | Reduced -512.7k |
| RENAISSANCE TECHNOLOGIES LLC 0.00% of their portfolio | 59.6k $1.4m | Reduced -188.0k |
| Knights of Columbus Asset Advisors LLC 0.09% of their portfolio | 57.6k $1.3m | Reduced -22.4k |
| PRELUDE CAPITAL MANAGEMENT, LLC 0.09% of their portfolio | 51.0k $1.2m | New |
| Cubist Systematic Strategies, LLC 0.02% of their portfolio | 50.9k $1.2m | New |
| Legal & General Group Plc 0.00% of their portfolio | 49.1k $1.1m | Added +7.5k |
| WELLS FARGO & COMPANY/MN 0.00% of their portfolio | 49.0k $1.1m | Added +11.5k |
| ALPS ADVISORS INC 0.01% of their portfolio | 46.8k $1.1m | Reduced -2.9k |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio | 46.4k $1.1m | Reduced -859 |
| CITIGROUP INC 0.00% of their portfolio | 46.2k $1.1m | Added +19.0k |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio | 45.0k $1.0m | Added +593 |
| Squarepoint Ops LLC 0.00% of their portfolio | 43.6k $991.4k | Reduced -99.4k |
| AMERIPRISE FINANCIAL INC 0.00% of their portfolio | 42.0k $955.2k | Added +21.0k |
| GROUP ONE TRADING LLC 0.04% of their portfolio | 40.8k $927.3k | Added +30.9k |
| TUDOR INVESTMENT CORP ET AL 0.01% of their portfolio | 37.3k $847.7k | New |
| MetLife Investment Management, LLC 0.00% of their portfolio | 36.4k $827.7k | Unchanged |
| Point72 Asset Management, L.P. 0.00% of their portfolio | 34.6k $787.8k | New |