Security key
452525306
- Security type / class
- Equity / COM PAR
- Total 13F shares
- 1,369,036
- Total 13F value
- $8,666,479
- Share change
- +71,214
- SEC-reported price per share
- $6.33
- Number of holders
- 27
- Value change
- +$458,407
- Number of buys
- 9
- Number of sells
- 7
Report period
Q1 2026
Institutions
27
Top holders
10
ICCC full security history
Ownership snapshot
Full 13F holder table
Previous quarter: Q4 2025
IMMUCELL CORP /DE/ SEC filings
IMMUCELL CORP /DE/ company facts
Broader feeds
Reporting periods
Holder history for CUSIP 452525306
Recent filing periods:
Ownership snapshot
Top reported holders of ICCC - IMMUCELL CORP /DE/ - COM PAR (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Ejnar A. Knudsen III
Disclosed value leader
Jonathan E. Rothschild
Comparable rows
1/15
Latest evidence
20 Mar 2026
13D/G
3/4/5
13F
Lead comparable stake: 9.2%
14 rows are not safely comparable across share classes.
13D/G row: Ejnar A. Knudsen III
Showing 1-6 of 15 holder rows.
Quick read
Ejnar A. Knudsen III leads the comparable SEC ownership view at 9.2%.
1 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Ejnar A. Knudsen III's linked filing trail.
Comparable ownership
Top 1
Ejnar A. Knudsen III
9.2%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Ejnar A. Knudsen III |
13D/G
|
9.2%
|
—
832,790 shares
|
$0 | 19 Nov 2025 |
| Jonathan E. Rothschild |
3/4/5
Director
|
—
class O/S missing
|
$4,302,205
514,003 shares
|
— | 03 Jun 2021 |
| VANGUARD GROUP INC |
13F
Company
|
—
class O/S missing
|
$1,863,425
302,996 shares
|
— | 31 Dec 2025 |
| Joseph H. Crabb |
3/4/5
Former VP and CSO
|
—
class O/S missing
|
$1,195,613
142,845 shares
|
— | 09 Mar 2022 |
| Michael F. Brigham |
3/4/5
Director
|
—
mixed-class rows
|
$1,139,541
206,700 shares
mixed-class rows
|
— | 20 Mar 2026 |
| Boekhorst Paul Francis Olivier Te |
3/4/5
President and CEO, Director
|
—
mixed-class rows
|
$970,146
119,238 shares
mixed-class rows
|
+$80,117 | 27 Jan 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q1 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
27
Shares
1,369,036
Rows available
27
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q1 2026 vs Q4 2025 Across Filers
Q4 2025 holders
26
Q1 2026 holders
27
Holder diff
1
| Investor | Q4 2025 Shares | Q1 2026 Shares | Share Diff | Share Chg % | Q4 2025 value | Q1 2026 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend