Who owns IMMUCELL CORP /DE/?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of ICCC from SEC Form 13F filings across 31 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 31 institutions disclosed 1.3M shares of IMMUCELL CORP /DE/ worth $13.4M — about 14.7% of shares outstanding; the largest disclosed holder is VANGUARD CAPITAL MANAGEMENT LLC. Source: SEC Form 13F filings, parsed by EvidInvest.
31
13F holders
$13.4M
value, 2026 filers
14.7%
of shares outstanding (1.3M sh)
7
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of ICCC's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | VANGUARD CAPITAL MANAGEMENT LLC | 268,130 | $2.7M | 0.0% | 3% | +3.0% |
| 2 | MORGAN STANLEY | 233,910 | $2.4M | 0.0% | 2.6% | +5.5% |
| 3 | RENAISSANCE TECHNOLOGIES LLC | 171,089 | $1.7M | 0.0% | 1.9% | +12.7% |
| 4 | Cresset Asset Management, LLC | 135,267 | $1.4M | 0.0% | 1.5% | 0.0% |
| 5 | GEODE CAPITAL MANAGEMENT, LLC | 72,270 | $726,485 | 0.0% | 0.8% | +9.9% |
| 6 | DIMENSIONAL FUND ADVISORS LP | 58,452 | $587,442 | 0.0% | 0.6% | +4.3% |
| 7 | Bleichroeder LP | 50,000 | $502,500 | 0.1% | 0.6% | -50.8% |
| 8 | Steadtrust LLC | 45,370 | $455,969 | 0.2% | 0.5% | -16.6% |
| 9 | Mesirow Financial Investment Management, Inc. | 42,481 | $426,934 | 0.0% | 0.5% | 0.0% |
| 10 | CITADEL ADVISORS LLC | 40,503 | $407,055 | 0.0% | 0.4% | +13.5% |
| 11 | VANGUARD FIDUCIARY TRUST CO | 37,766 | $379,548 | 0.0% | 0.4% | -11.5% |
| 12 | Strategic Financial Services, Inc. | 37,000 | $371,850 | — | 0.4% | 0.0% |
| 13 | HighTower Advisors, LLC | 24,354 | $244,758 | 0.0% | 0.3% | 0.0% |
| 14 | BlackRock, Inc. | 22,860 | $229,744 | 0.0% | 0.3% | +25.7% |
| 15 | JANE STREET GROUP, LLCNEW | 15,751 | $158,298 | 0.0% | 0.2% | new |
| 16 | Quadrature Capital LtdNEW | 15,415 | $154,921 | 0.0% | 0.2% | new |
| 17 | NORTHERN TRUST CORP | 14,721 | $147,946 | 0.0% | 0.2% | -64.6% |
| 18 | MERCER GLOBAL ADVISORS INC /ADVNEW | 12,000 | $120,600 | 0.0% | 0.1% | new |
| 19 | BAILARD, INC. | 10,102 | $101,525 | 0.0% | 0.1% | 0.0% |
| 20 | Militia Capital Management LLC | 10,000 | $100,500 | 0.0% | 0.1% | -44.4% |
| 21 | SHUFRO ROSE & CO LLC | 10,000 | $100,500 | 0.0% | 0.1% | -71.4% |
| 22 | HM PAYSON & CO | 4,000 | $40,200 | 0.0% | 0% | 0.0% |
| 23 | UBS Group AG | 1,000 | $10,050 | 0.0% | 0% | -10.2% |
| 24 | OSAIC HOLDINGS, INC. | 391 | $3,929 | 0.0% | 0% | 0.0% |
| 25 | FMR LLCNEW | 160 | $1,608 | 0.0% | 0% | new |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.