| Investor | Value | Of portfolio | Shares | Change | Quarter |
|---|---|---|---|---|---|
| Renaissance Technologies | $14.1M | 0.02% | 768.60K | +278% | Q2 2026 |
From each investor's quarterly 13F filing with the SEC: positions at the quarter's end, reported up to 45 days later. All investors
No member of Congress has disclosed a VRDN trade since 2025.
From House and Senate STOCK Act reports. Members disclose trades, not holdings, as value ranges up to 45 days later, so amounts are estimates and “last move” is a hint at who still holds it, not a position. All recent congress trades
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 6.0 | -11.0 | -33.4 | -31.1 | 30.7 | 4.3 | 3.0 | 22.4 | -11.1 | -11.1 | −41.2% | ||
| 2025 | 1.1 | -19.9 | -13.2 | 0.5 | 2.7 | 0.4 | 25.3 | 4.9 | 17.4 | 9.5 | 35.3 | -2.6 | +62.3% |
| 2024 | -11.6 | -2.8 | -6.4 | -24.3 | -9.9 | 8.9 | 29.5 | -12.9 | 55.0 | -5.2 | -0.1 | -11.0 | −12.0% |
| 2023 | 25.0 | -10.3 | -22.3 | 10.2 | -15.0 | -0.2 | -21.1 | -3.1 | -15.6 | -18.5 | 33.9 | 30.1 | −25.4% |
| 2022 | 1.7 | -10.1 | 2.3 | -25.6 | -11.3 | -5.2 | 14.4 | 67.7 | -7.7 | -3.0 | 27.0 | 15.6 | +47.7% |
| 2021 | 8.3 | -7.7 | 1.6 | 9.2 | -1.3 | 1.6 | -15.1 | -13.8 | 22.9 | 10.0 | 6.3 | 2.8 | +20.2% |
| 2020 | 264.6 | -57.5 | -40.0 | 39.5 | 58.7 | 12.5 | 0.0 | -16.6 | -16.3 | 69.0 | -10.2 | -6.7 | +128.5% |
| 2019 | -5.6 | -2.1 | -0.4 | 5.0 | -19.1 | -13.5 | -2.4 | -42.5 | -36.4 | -11.8 | 24.0 | -40.0 | −84.2% |
| 2018 | -28.1 | -26.0 | 26.3 | -2.1 | 3.1 | -9.3 | 5.1 | -7.9 | -10.1 | -22.6 | -19.4 | -12.9 | −70.9% |
| 2017 | 81.0 | 44.5 | -5.1 | 3.8 | -15.4 | 18.4 | 5.8 | -34.2 | 1.7 | -9.5 | -3.7 | 30.9 | +108.2% |
| 2016 | -26.5 | 3.6 | -10.5 | 27.5 | -9.2 | -28.0 | 15.3 | -4.1 | 6.4 | -28.2 | 76.4 | -47.3 | −55.3% |
| 2015 | 6.9 | -0.5 | -20.4 | -12.1 | -4.2 | 21.0 | -28.8 | -13.5 | -31.4 | -10.4 | 28.9 | -30.1 | −70.6% |
| 2014 | -16.0 | -23.3 | -0.9 | -28.9 | -9.4 | -12.4 | −64.0% |
| Date | Insider | Transaction | Shares | Value |
|---|---|---|---|---|
| Aug 18, 2026 | Tousignant JenniferOfficer | Sale at price 24.50 per share. | 14.2K | $348.19K |
| Aug 18, 2026 | Tousignant JenniferOfficer | Conversion of Exercise of derivative security at price 14.41 per share. | 10K | $144.10K |
| Aug 13, 2026 | Tripuraneni RadhikaOfficer | Conversion of Exercise of derivative security at price 13.21 per share. | 40K | $528.40K |
| May 10, 2026 | Fairmount Funds Management LlcBeneficial Owner of more than 10% of a Class of Security | Purchase at price 17.00 per share. | 1.18M | $20.00M |
| Mar 2, 2026 | Mahoney Stephen FChief Executive Officer | — | 18.4K | — |
| Mar 2, 2026 | Harmon SethChief Financial Officer | — | 6.3K | — |
| Mar 2, 2026 | Harmon SethChief Financial Officer | — | 6.3K | — |
| Mar 2, 2026 | Tousignant JenniferOfficer | — | 5.2K | — |
| Mar 2, 2026 | Beetham Thomas WChief Operating Officer | — | 9.4K | — |
| Dec 30, 2025 | Tousignant JenniferOfficer | Sale at price 31.16 per share. | 2.3K | $70.80K |
| Oct 22, 2025 | Fairmount Funds Management LlcDirector and Beneficial Owner of more than 10% of a Class of Security | Purchase at price 22.00 per share. | 454.5K | $10.00M |
| Jun 9, 2025 | Fairmount Funds Management LlcBeneficial Owner of more than 10% of a Class of Security | Conversion of Exercise of derivative security at price 7.80 - 12.31 per share. | 14.1K | $166.35K |
Viridian Therapeutics, Inc. engages in discovering, developing, and commercializing treatments for serious and rare diseases. It develops IGF-1R therapies to treat thyroid eye disease (TED), including Veligrotrug, a differentiated humanized monoclonal antibody targeting IGF-1R intravenously administered, and Elegrobart, a low-volume, infrequently dosed subcutaneous IGF-1R. The company also develops an anti-thyroid-stimulating hormone receptor (TSHR) candidate for the treatment of Graves' disease and TED. Its portfolio of engineered inhibitors of the neonatal Fc receptor (FcFn) includes VRDN-006, a highly selective Fc fragment, and VRDN-008, a half-life extended bispecific FcRn inhibitor comprising an GC fragment and an albumin-binding domain designed to prolong IGG suppression. The company was formerly known as Miragen Therapeutics, Inc. and changed its name to Viridian Therapeutics, Inc. in January 2021. Viridian Therapeutics, Inc. was incorporated in 2010 and is headquartered in Waltham, Massachusetts.
Buy / hold / sell counts