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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.

Key figures

Insider buys
0
Open market, last 90 days
Insider sells
0
Open market, last 90 days
13F holders
41
Q1 2025, −3 vs. previous quarter
13F value
$4.96M
Reported value at the end of Q1 2025
Superinvestors holding
0
At the end of Q1 2025

Superinvestors holding ENZB, Q1 2025

Go to the superinvestors tab

No superinvestor reported holding ENZB at the end of Q1 2025.

Latest insider trades

Open-market purchases and sales by Enzo Biochem Inc insiders from Form 4, newest first.

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Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Feb 13, 2023 (view filing)9:41 PM ETFeb 10-133 daysWolf James G.Other: 10% owner until 2/13/2023PPurchaseCommon Stock, $0.01 par value+10.0K$1.29+$12.9K+0.2%4.10M after2 lots
Feb 13, 2023 (view filing)9:41 PM ETFeb 13Same dayWolf James G.Other: 10% owner until 2/13/2023PPurchaseCommon Stock, $0.01 par value+5.00K$1.29+$6.45K+4.5%115.0K after
Feb 13, 2023 (view filing)9:41 PM ETFeb 13Same dayWolf James G.Other: 10% owner until 2/13/2023SSaleCommon Stock, $0.01 par value−107.4K$0.0008−$84.06–0 afterDerivative2 lots
Feb 13, 2023 (view filing)9:41 PM ETFeb 13Same dayWolf James G.Other: 10% owner until 2/13/2023SSaleCommon Stock, $0.01 par value+107.4K$0.0109+$1.17K–2.16K afterDerivative2 lots
Jan 30, 2023 (view filing)Jan 273 daysWolf James G.10% OwnerPPurchaseCommon Stock, $0.01 par value+11.8K$1.40+$16.5K+0.3%4.09M after
Jan 19, 2023 (view filing)2:37 PM ETOct 31-Nov 1, 202280 daysLateWolf James G.10% OwnerPPurchaseCommon Stock, $0.01 par value+23.0K$2.15+$49.4K+5.8%418.5K after3 lots
Jan 19, 2023 (view filing)2:37 PM ETNov 1-3, 202279 daysLateWolf James G.10% OwnerPPurchaseCommon Stock, $0.01 par value+154.0K$0.0048+$738–1.70K afterDerivative5 lots
Jan 19, 2023 (view filing)2:37 PM ETNov 1-Dec 15, 202279 daysLateWolf James G.10% OwnerSSaleCommon Stock, $0.01 par value+205.1K$0.0082+$1.67K–1.75K afterDerivative9 lots
Jan 19, 2023 (view filing)2:37 PM ETDec 5-30, 202245 daysLateWolf James G.10% OwnerSSaleCommon Stock, $0.01 par value−70.6K$0.0018−$128.15–3.24K afterDerivative4 lots
Nov 28, 2022 (view filing)Nov 235 daysErfanian HamidChief Executive OfficerPPurchaseCommon Stock, $0.01 Par Value+100.0K$1.97+$197.0K+36.4%374.6K after

Top 10 13F holders, Q1 2025

The largest institutional positions in Enzo Biochem Inc at the end of Q1 2025; share changes are against Q4 2024.

See all 41 holders
Institutions holding ENZB in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Harbert Fund Advisors, Inc.5,175,913$1.92M2.22%00.0%Unchanged
Renaissance Technologies LLC2,082,229$770.4K0.00%−285,314−12.1%Reduced
Vanguard Group Inc1,859,002$687.8K0.00%00.0%Unchanged
BlackRock, Inc.957,775$354.4K0.00%−2,064−0.2%Reduced
Mink Brook Asset Management LLC807,899$298.9K0.31%00.0%Unchanged
Geode Capital Management, LLC431,042$159.5K0.00%+63,949+17.4%Added
Wittenberg Investment Management, Inc.274,095$101.4K0.05%+86,558+46.2%Added
RBF Capital, LLC250,359$92.6K0.01%00.0%Unchanged
Citadel Advisors LLC210,877$78.0K0.00%+164,921+358.9%Added
State Street Corp168,881$62.5K0.00%00.0%Unchanged