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ICCC IMMUCELL CORP

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COM PAR (common), issuer CIK 811641

26 managers (26 13F filers) reported a position in ICCC shares at 2025-12-31, 1,279,822 shares in all. 2 filers opened a position and 3 filers sold out during the quarter.

Managers
26
13F filers
26
New
2
Added
9
Reduced
6
Sold out
3
Shares held by filers
1,279,822

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q4 2025

Filers in the available 13F reports with a share position at 2025-12-31, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
VANGUARD GROUP INCin group VANGUARD GROUP INC302,996$1.86M<0.01%-5,70613F-HRTimelineGroup
RENAISSANCE TECHNOLOGIES LLC150,689$927K<0.01%-6,60013F-HRTimeline
Cresset Asset Management, LLC135,267$832K<0.01%+3,26613F-HRTimeline
MORGAN STANLEYin group MORGAN STANLEY124,716$767K<0.01%+19,60013F-HR/ATimelineGroup
Bleichroeder LP101,594$625K0.11%013F-HRTimeline
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC72,257$444K<0.01%+7813F-HRTimelineGroup
Steadtrust LLC56,770$349K0.21%+25,07013F-HRTimeline
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP54,281$334K<0.01%-8,02413F-HRTimelineGroup
Dauntless Investment Group, LLC39,633$244K0.9%-47,48813F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC39,393$242K<0.01%+17,92413F-HRTimelineGroup
NORTHERN TRUST CORPin group NORTHERN TRUST CORP37,993$234K<0.01%+19913F-HRTimelineGroup
Strategic Financial Services, Inc.37,000$231K0.01%013F-HRTimeline
Mesirow Financial Investment Management…36,481$224K<0.01%+24,30313F-HRTimeline
SHUFRO ROSE & CO LLC35,000$215K0.01%-26,02813F-HRTimeline
HighTower Advisors, LLC19,354$119K<0.01%-2,00013F-HRTimeline
BlackRock, Inc.in group BlackRock, Inc.16,258$100K<0.01%+2413F-HRTimelineGroup
Essex Financial Services, Inc.in group Essex Financial Services, Inc.11,000$67.7K<0.01%013F-HRTimelineGroup
HM PAYSON & CO4,000$24.6K<0.01%013F-HRTimeline
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/2,040$12.5K<0.01%013F-HRTimelineGroup
UBS Group AGin group UBS Group AG1,611$9.91K<0.01%+61113F-HRTimelineGroup
FLAGSHIP HARBOR ADVISORS, LLC730$4.49K<0.01%new13F-HRTimeline
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.391$2.4K<0.01%013F-HRTimelineGroup
HARBOUR INVESTMENTS, INC.250$1.54K<0.01%new13F-HRTimeline
Capital Advisors, Ltd. LLC98$1K<0.01%013F-HRTimeline
JONES FINANCIAL COMPANIES LLLPin group JONES FINANCIAL COMPANIES LLLP19$117<0.01%013F-HRTimelineGroup
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN1$4<0.01%013F-HRTimelineGroup