Disc Medicine, Inc. · NASDAQ:IRON
Atlas Venture Fund X, L.P. reported a 2.20% stake in Disc Medicine, Inc. (Schedule 13D/A)
Event Dec 12, 2025 · Filed Dec 17, 2025
Atlas Venture Fund X, L.P. reported a 2.20% stake in Disc Medicine, Inc., 813,167 shares, with active intent on Dec 12, 2025. Filed Dec 17, 2025 (Schedule 13D/A).
- Stake
- 2.20%
- Shares
- 813,167
- Intent
- Active
- What changed
- Stake changed
- Filed together
- 12 holders
The filing in full
| Holder | Stake | Shares |
|---|---|---|
| Atlas Venture Fund X, L.P. | 2.20% | 813,167 |
| ATLAS VENTURE ASSOCIATES X, L.P. | 2.20% | 813,167 |
| Atlas Venture Associates X, LLC | 2.20% | 813,167 |
| Atlas Venture Fund XII, L.P. | 0% | 14,013 |
| Atlas Venture Associates XII, L.P. | 0% | 14,013 |
| Atlas Venture Associates XII, LLC | 0% | 14,013 |
| Atlas Venture Opportunity Fund I, L.P. | 0.90% | 349,210 |
| Atlas Venture Associates Opportunity I, L.P. | 0.90% | 349,210 |
| Atlas Venture Associates Opportunity I, LLC | 0.90% | 349,210 |
| Atlas Venture Opportunity Fund II, L.P. | 0.90% | 337,485 |
| Atlas Venture Associates Opportunity II, LP | 0.90% | 337,485 |
| Atlas Venture Associates Opportunity II, LLC | 0.90% | 337,485 |
Source
Related
- Disc Medicine, Inc.
- Atlas Venture Fund X, L.P.
- Disc Medicine, Inc. shareholders
- Schedule 13D/A · Atlas Venture Fund X, L.P. · Aug 15, 2025
- Form 4 · Bitterman Kevin · Oct 21, 2026
- Form 4 · Quisel John D · Sep 16, 2026
- Form 4 · Bitterman Kevin · Sep 15, 2026
- Form 4 · Bitterman Kevin · Sep 9, 2026
- Form 4 · Bitterman Kevin · Sep 3, 2026