Who owns IRD?
Institutional ownership of Opus Genetics Inc. from Form 13F, Q2 2026
103 institutional managers reported holding Opus Genetics Inc. (IRD) in Form 13F filings for Q2 2026, with 60,573,287 shares worth $249M. The largest reported holder was Nantahala Capital Management, LLC. Managers that filed both quarters added a net 15,150,756 shares (+33.4%). 39 opened new positions and 16 sold out.
- Funds holding
- 103
- Value held
- $249M
- New / sold out
- 39 / 16
- Net shares, same filers
- +33.4%
Holdings as of June 30, 2026, the end of Q2 2026. Managers have 45 days after a quarter ends to file Form 13F (by August 14, 2026 for Q2 2026), so positions may have changed since.
Largest holders of IRD
| Fund | Value | Share of 13F holdings | Shares | Move |
|---|---|---|---|---|
| Nantahala Capital Management, LLC | $25.2M | 10.1% | 6,122,718 | Added |
| Caligan Partners LP | $25.0M | 10.0% | 6,077,084 | Unchanged |
| Adage Capital Partners GP, L.l.c. | $24.8M | 10.0% | 6,029,775 | Unchanged |
| BIOS Capital Management, LP | $15.1M | 6.1% | 3,683,429 | Unchanged |
| BlackRock, Inc. | $12.8M | 5.1% | 3,116,487 | Added |
| Balyasny Asset Management L.P. | $12.7M | 5.1% | 3,087,866 | Added |
| Vanguard Capital Management LLC | $12.2M | 4.9% | 2,958,683 | Added |
| Boxer Capital Management, LLC | $11.6M | 4.6% | 2,815,000 | Added |
| Trails Edge Capital Partners, LP | $11.3M | 4.5% | 2,743,658 | Added |
| Millennium Management LLC | $9.5M | 3.8% | 2,302,101 | Trimmed |
| Great Point Partners LLC | $8.1M | 3.3% | 1,970,187 | Added |
| Marshall Wace, LLP | $8.0M | 3.2% | 1,945,609 | Trimmed |
| ADAR1 Capital Management, LLC | $7.3M | 2.9% | 1,783,781 | Trimmed |
| Goldman Sachs Group Inc | $6.3M | 2.5% | 1,527,229 | Added |
| Woodline Partners LP | $5.9M | 2.4% | 1,434,713 | Added |
| Geode Capital Management, LLC | $5.6M | 2.3% | 1,367,712 | Added |
| Boothbay Fund Management, LLC | $4.9M | 2.0% | 1,189,515 | Unchanged |
| Opaleye Management Inc. | $4.6M | 1.9% | 1,125,000 | Added |
| SummitTX Capital, L.P. | $4.1M | 1.7% | 1,007,351 | New |
| State Street Corp | $3.2M | 1.3% | 790,136 | Added |
| Bleichroeder LP | $3.0M | 1.2% | 736,842 | Unchanged |
| UBS Group AG | $2.8M | 1.1% | 683,895 | Added |
| Citadel Advisors LLC | $2.7M | 1.1% | 665,662 | Added |
| Morgan Stanley | $1.9M | 0.8% | 464,900 | Added |
| Northern Trust Corp | $1.8M | 0.7% | 442,154 | Added |
Share of 13F holdings is each fund's shares as a share of the 60,573,287 IRD shares all 13F filers reported, not of shares outstanding.
Biggest buyers in Q2 2026
- Nantahala Capital Management, LLC Added+$18.3M
- BlackRock, Inc. Added+$12.2M
- Trails Edge Capital Partners, LP Added+$9.2M
- Great Point Partners LLC Added+$6.8M
- Goldman Sachs Group Inc Added+$4.9M
- SummitTX Capital, L.P. New+$4.1M
- Geode Capital Management, LLC Added+$3.4M
- State Street Corp Added+$2.4M
- Boxer Capital Management, LLC Added+$2.3M
- Citadel Advisors LLC Added+$2.2M
Biggest sellers in Q2 2026
- Perceptive Advisors LLC Sold out-$8.4M
- Farallon Capital Management, L.l.c. Sold out-$4.5M
- Susquehanna International Group, LLP Trimmed-$2.6M
- Ameriprise Financial Inc Sold out-$1.8M
- Mink Brook Asset Management LLC Trimmed-$1.8M
- Marshall Wace, LLP Trimmed-$1.5M
- Millennium Management LLC Trimmed-$1.3M
- Voleon Capital Management LP Sold out-$654K
- Renaissance Technologies LLC Sold out-$333K
- HRT Financial LP Sold out-$307K
The change in shares since the quarter before, adjusted for stock splits and priced at the Q2 2026 value per share. Funds bought $85.5M and sold $24.9M; 32 added and 12 trimmed.
Schedule 13D and 13G filings on IRD
Owners of more than 5% must file within days, so these can be newer than the 13F data.
- 2026-10-27BlackRock, Inc. SCHEDULE 13G filed by BlackRock Inc.Schedule 13G
- 2026-02-17BALYASNY ASSET MANAGEMENT L.P. SCHEDULE 13G filed by Opus Genetics Inc.Schedule 13G
- 2025-03-31PERCEPTIVE ADVISORS LLC SCHEDULE 13G filed by Opus Genetics Inc.Schedule 13G
Questions about IRD ownership
- Who owns IRD stock?
- 103 institutional investment managers reported IRD positions in their Form 13F filings for Q2 2026, holding 60,573,287 shares worth $249M in total. Nantahala Capital Management, LLC reported the largest position.
- Are funds buying or selling IRD?
- In Q2 2026, 39 managers opened new IRD positions, 32 added, 12 trimmed and 16 sold out. Managers that filed in both quarters added a net 15,150,756 shares.
- How current is this IRD institutional ownership data?
- It covers holdings as of the end of Q2 2026. Managers have 45 days after the quarter ends to file Form 13F (by August 14, 2026 for Q2 2026), so positions may have changed since.
From the SEC's Form 13F data sets for Q2 2026: every 13F holdings report, matched to IRD by CUSIP. Options are left out. IRD news and filings · IRD insider trades · Top funds