Enzo Biochem Inc
ENZBDelisted- Industry
- Biological Products, (No Diagnostic Substances)
- SEC CIK
- 0000316253
Enzo Biochem Inc was delisted in 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, Q1 2025
Institutional positions in Enzo Biochem Inc as of Mar 31, 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, so this page shows Q1 2025. 13F filings for later quarters list far fewer holders.
- Institutional holders
- 41
- −3 vs. Q4 2024
- Shares held
- 13.4M
- −183.8K (−1.4%) vs. Q4 2024
- Total value
- $4.96M
- −$4.75M (−48.9%) vs. Q4 2024
- New holders
- 3
- 9 more added
- Sold out
- 6
- 9 more reduced
Compare with Q4 2024: 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 | $17.7M |
| Q4 2023 | 46 | $22.8M |
| Q3 2023 | 39 | $23.1M |
| Q2 2023 | 47 | $34.7M |
| Q1 2023 | 52 | $61.7M |
| Q4 2022 | 52 | $26.8M |
| Q3 2022 | 49 | $45.6M |
| Q2 2022 | 54 | $43.8M |
| Q1 2022 | 51 | $62.0M |
| Q4 2021 | 59 | $69.1M |
| Q3 2021 | 65 | $82.9M |
| Q2 2021 | 72 | $76.6M |
| Q1 2021 | 82 | $94.6M |
Institutions, Q1 2025
Shares, value and share of portfolio for each institution holding Enzo Biochem Inc; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Harbert Fund Advisors, Inc. | 5,175,913 | $1.92M | 2.22% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 2,082,229 | $770.4K | 0.00% | −285,314−12.1% | Reduced |
| Vanguard Group Inc | 1,859,002 | $687.8K | 0.00% | 00.0% | Unchanged |
| BlackRock, Inc. | 957,775 | $354.4K | 0.00% | −2,064−0.2% | Reduced |
| Mink Brook Asset Management LLC | 807,899 | $298.9K | 0.31% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 431,042 | $159.5K | 0.00% | +63,949+17.4% | Added |
| Wittenberg Investment Management, Inc. | 274,095 | $101.4K | 0.05% | +86,558+46.2% | Added |
| RBF Capital, LLC | 250,359 | $92.6K | 0.01% | 00.0% | Unchanged |
| Citadel Advisors LLC | 210,877 | $78.0K | 0.00% | +164,921+358.9% | Added |
| State Street Corp | 168,881 | $62.5K | 0.00% | 00.0% | Unchanged |
| Lepercq De Neuflize Asset Management LLC | 156,303 | $57.8K | 0.06% | +33,303+27.1% | Added |
| Dimensional Fund Advisors LP | 138,126 | $51.5K | 0.00% | −157,551−53.3% | Reduced |
| Squarepoint Ops LLC | 127,440 | $47.2K | 0.00% | +61,219+92.4% | Added |
| BBR Partners, LLC | 100,000 | $37.0K | 0.00% | 00.0% | Unchanged |
| Nierenberg Investment Management Company, Inc. | 88,555 | $32.8K | 0.02% | 00.0% | Unchanged |
| Bridgeway Capital Management, LLC | 77,200 | $28.6K | 0.00% | −100,000−56.4% | Reduced |
| Morgan Stanley | 67,342 | $24.9K | 0.00% | 00.0% | Unchanged |
| Northern Trust Corp | 67,204 | $24.9K | 0.00% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 60,041 | $22.2K | 0.00% | +26,206+77.5% | Added |
| Lazard Asset Management LLC | 50,453 | $18.0K | 0.00% | 00.0% | Unchanged |
| Price T Rowe Associates Inc | 44,800 | $17.0K | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 45,713 | $16.9K | 0.00% | +45,435+16,343.5% | Added |
| Kempner Capital Management Inc. | 25,475 | $9.00K | 0.01% | 00.0% | Unchanged |
| XTX Topco Ltd | 21,193 | $7.84K | 0.00% | +5,285+33.2% | Added |
| Two Sigma Securities, LLC | 19,746 | $7.31K | 0.00% | +19,746 | New |
| Paradigm Financial Partners, LLC | 19,500 | $7.21K | 0.00% | 00.0% | Unchanged |
| Baader Bank INC | 22,678 | $6.63K | 0.00% | +22,678 | New |
| Raymond James Financial Inc | 17,016 | $6.30K | 0.00% | 00.0% | Unchanged |
| Shulman DeMeo Asset Management LLC | 15,487 | $5.73K | 0.00% | 00.0% | Unchanged |
| Virtu Financial LLC | 11,920 | $4.00K | 0.00% | −36,421−75.3% | Reduced |
| Tower Research Capital LLC (TRC) | 10,026 | $3.11K | 0.00% | −2,887−22.4% | Reduced |
| Bank of America Corp | 3,962 | $1.47K | 0.00% | +1,747+78.9% | Added |
| Medallion Wealth Advisors, LLC | 2,800 | $1.04K | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 1,915 | $708 | 0.00% | −8−0.4% | Reduced |
| Fort Vancouver Investment Management, LLC | 1,599 | $592 | 0.00% | +1,599 | New |
| Wells Fargo & Company | 793 | $294 | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 700 | $259 | 0.00% | 00.0% | Unchanged |
| FMR LLC | 429 | $159 | 0.00% | −126−22.7% | Reduced |
| Sound Income Strategies, LLC | 10 | $4 | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 1,000 | $0 | 0.00% | 00.0% | Unchanged |
| Simplex Trading, LLC | 2 | $0 | 0.00% | −272−99.3% | Reduced |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −52,281−100.0% | Sold out |
| Millennium Management LLC | 0 | $0 | 0.00% | −32,386−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −16,537−100.0% | Sold out |
| Manufacturers Life Insurance Company, The | 0 | $0 | 0.00% | −14,955−100.0% | Sold out |
| TLS Advisors LLC | 0 | $0 | 0.00% | −13,616−100.0% | Sold out |
| BFSG, LLC | 0 | $0 | 0.00% | −2,000−100.0% | Sold out |