Enzo Biochem Inc
ENZBDelisted Apr 7, 2025- Industry
- Biological Products, (No Diagnostic Substances)
- SEC CIK
- 0000316253
Enzo Biochem Inc was delisted on Apr 7, 2025; its insiders filed their last Form 4 on Aug 20, 2025; 41 institutions reported holding it in 13F filings for Q1 2025, worth $4.96M in total; no superinvestor held it.
13F holders, Q2 2025
Institutional positions in Enzo Biochem Inc as of Jun 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
ENZB is no longer listed, and 13F filings after Q1 2025 list far fewer holders. See Q1 2025
- Institutional holders
- 7
- −34 vs. Q1 2025
- Shares held
- 2.95M
- −10.5M (−78.0%) vs. Q1 2025
- Total value
- $2.00M
- −$2.96M (−59.7%) vs. Q1 2025
- New holders
- 2
- 2 more added
- Sold out
- 36
- 1 more reduced
Compare with Q1 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ENZB on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 0 | $0 |
| Q1 2026 | 0 | $0 |
| Q4 2025 | 0 | $0 |
| Q3 2025 | 0 | $0 |
| Q2 2025 | 7 | $2.00M |
| Q1 2025 | 41 | $4.96M |
| Q4 2024 | 44 | $9.71M |
| Q3 2024 | 43 | $14.2M |
| Q2 2024 | 39 | $13.5M |
| Q1 2024 | 41 | $17.6M |
| Q4 2023 | 46 | $22.7M |
| Q3 2023 | 39 | $23.1M |
| Q2 2023 | 47 | $34.7M |
| Q1 2023 | 52 | $48.1M |
| Q4 2022 | 52 | $26.8M |
| Q3 2022 | 49 | $45.6M |
| Q2 2022 | 54 | $43.8M |
| Q1 2022 | 51 | $62.0M |
| Q4 2021 | 59 | $69.0M |
| Q3 2021 | 65 | $82.9M |
| Q2 2021 | 72 | $76.6M |
| Q1 2021 | 82 | $94.6M |
Institutions, Q2 2025
Shares, value and share of portfolio for each institution holding Enzo Biochem Inc; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Oddo BHF Asset Management SAS | 2,575,000 | $1.75M | 0.07% | +2,575,000 | New |
| RBF Capital, LLC | 150,000 | $101.7K | 0.01% | −100,359−40.1% | Reduced |
| Squarepoint Ops LLC | 140,637 | $95.4K | 0.00% | +13,197+10.4% | Added |
| XTX Topco Ltd | 44,880 | $30.4K | 0.00% | +23,687+111.8% | Added |
| Kempner Capital Management Inc. | 25,475 | $17.0K | 0.01% | 00.0% | Unchanged |
| Ground Swell Capital, LLC | 13,761 | $9.33K | 0.02% | +13,761 | New |
| Simplex Trading, LLC | 2 | $0 | 0.00% | 00.0% | Unchanged |
| Harbert Fund Advisors, Inc. | 0 | $0 | 0.00% | −5,175,913−100.0% | Sold out |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −2,082,229−100.0% | Sold out |
| Vanguard Group Inc | 0 | $0 | 0.00% | −1,859,002−100.0% | Sold out |
| BlackRock, Inc. | 0 | $0 | 0.00% | −957,775−100.0% | Sold out |
| Mink Brook Asset Management LLC | 0 | $0 | 0.00% | −807,899−100.0% | Sold out |
| Geode Capital Management, LLC | 0 | $0 | 0.00% | −431,042−100.0% | Sold out |
| Wittenberg Investment Management, Inc. | 0 | $0 | 0.00% | −274,095−100.0% | Sold out |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −210,877−100.0% | Sold out |
| State Street Corp | 0 | $0 | 0.00% | −168,881−100.0% | Sold out |
| Lepercq De Neuflize Asset Management LLC | 0 | $0 | 0.00% | −156,303−100.0% | Sold out |
| Dimensional Fund Advisors LP | 0 | $0 | 0.00% | −138,126−100.0% | Sold out |
| BBR Partners, LLC | 0 | $0 | 0.00% | −100,000−100.0% | Sold out |
| Nierenberg Investment Management Company, Inc. | 0 | $0 | 0.00% | −88,555−100.0% | Sold out |
| Bridgeway Capital Management, LLC | 0 | $0 | 0.00% | −77,200−100.0% | Sold out |
| Morgan Stanley | 0 | $0 | 0.00% | −67,342−100.0% | Sold out |
| Northern Trust Corp | 0 | $0 | 0.00% | −67,204−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −60,041−100.0% | Sold out |
| Lazard Asset Management LLC | 0 | $0 | 0.00% | −50,453−100.0% | Sold out |
| Price T Rowe Associates Inc | 0 | $0 | 0.00% | −44,800−100.0% | Sold out |
| UBS Group AG | 0 | $0 | 0.00% | −45,713−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −19,746−100.0% | Sold out |
| Paradigm Financial Partners, LLC | 0 | $0 | 0.00% | −19,500−100.0% | Sold out |
| Baader Bank INC | 0 | $0 | 0.00% | −22,678−100.0% | Sold out |
| Raymond James Financial Inc | 0 | $0 | 0.00% | −17,016−100.0% | Sold out |
| Shulman DeMeo Asset Management LLC | 0 | $0 | 0.00% | −15,487−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −11,920−100.0% | Sold out |
| Tower Research Capital LLC (TRC) | 0 | $0 | 0.00% | −10,026−100.0% | Sold out |
| Bank of America Corp | 0 | $0 | 0.00% | −3,962−100.0% | Sold out |
| Medallion Wealth Advisors, LLC | 0 | $0 | 0.00% | −2,800−100.0% | Sold out |
| JPMorgan Chase & Co | 0 | $0 | 0.00% | −1,915−100.0% | Sold out |
| Fort Vancouver Investment Management, LLC | 0 | $0 | 0.00% | −1,599−100.0% | Sold out |
| Wells Fargo & Company | 0 | $0 | 0.00% | −793−100.0% | Sold out |
| The PNC Financial Services Group, Inc. | 0 | $0 | 0.00% | −700−100.0% | Sold out |
| FMR LLC | 0 | $0 | 0.00% | −429−100.0% | Sold out |
| Sound Income Strategies, LLC | 0 | $0 | 0.00% | −10−100.0% | Sold out |
| Royal Bank of Canada | 0 | $0 | 0.00% | −1,000−100.0% | Sold out |