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ICCC IMMUCELL CORP

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COM PAR (common), issuer CIK 811641

30 managers (31 13F filers) reported a position in ICCC shares at 2026-06-30, 1,333,177 shares in all. 7 filers opened a position and 3 filers sold out during the quarter.

Managers
30
13F filers
31
New
7
Added
7
Reduced
7
Sold out
3
Shares held by filers
1,333,177

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, Q2 2026

Filers in the available 13F reports with a share position at 2026-06-30, 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 INCgroup of 2 filers holding305,896$3.07M+2,900Timeline
MORGAN STANLEYin group MORGAN STANLEY233,910$2.35M<0.01%+12,19413F-HRTimelineGroup
RENAISSANCE TECHNOLOGIES LLC171,089$1.72M<0.01%+19,30013F-HRTimeline
Cresset Asset Management, LLC135,267$1.36M<0.01%013F-HRTimeline
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC72,270$726K<0.01%+6,50513F-HRTimelineGroup
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP58,452$587K<0.01%+2,42213F-HRTimelineGroup
Bleichroeder LP50,000$502K0.09%-51,59413F-HRTimeline
Steadtrust LLC45,370$456K0.23%-9,00013F-HRTimeline
Mesirow Financial Investment Management…42,481$427K0.01%013F-HRTimeline
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC40,503$407K<0.01%+4,80713F-HRTimelineGroup
Strategic Financial Services, Inc.37,000$372K0.02%013F-HRTimeline
HighTower Advisors, LLC24,354$245K<0.01%013F-HRTimeline
BlackRock, Inc.in group BlackRock, Inc.22,860$230K<0.01%+4,67413F-HRTimelineGroup
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC15,751$158K<0.01%new13F-HRTimelineGroup
Quadrature Capital Ltdin group Quadrature Capital Ltd15,415$155K<0.01%new13F-HRTimelineGroup
NORTHERN TRUST CORPin group NORTHERN TRUST CORP14,721$148K<0.01%-26,89713F-HRTimelineGroup
MERCER GLOBAL ADVISORS INC /ADV12,000$121K<0.01%new13F-HR/ATimeline
BAILARD, INC.10,102$102K<0.01%013F-HRTimeline
SHUFRO ROSE & CO LLC10,000$100K0.01%-25,00013F-HRTimeline
Militia Capital Management LLCin group Militia Capital Management LLC10,000$100K0.02%-8,00013F-HRTimelineGroup
HM PAYSON & CO4,000$40.2K<0.01%013F-HRTimeline
UBS Group AGin group UBS Group AG1,000$10.1K<0.01%-11313F-HRTimelineGroup
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.391$3.93K<0.01%013F-HRTimelineGroup
FMR LLCin group FMR LLC160$1.61K<0.01%new13F-HRTimelineGroup
Capital Advisors, Ltd. LLC98$1K<0.01%013F-HRTimeline
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…32$322<0.01%new13F-HRTimelineGroup
BARCLAYS PLCin group BARCLAYS PLC30$302<0.01%new13F-HRTimelineGroup
JONES FINANCIAL COMPANIES LLLPin group JONES FINANCIAL COMPANIES LLLP19$186<0.01%013F-HRTimelineGroup
Caitong International Asset Management …5$50<0.01%new13F-HRTimeline
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN1$7<0.01%013F-HRTimelineGroup