iSpecimen Inc. - COMMON STOCK (ISPC)

CUSIP: 45032V306

Q3 2026 13F Holders as of 30 Sep 2026

Share change
+15,809
SEC-reported price per share
$1.11
Number of holders
2
Value change
+$19,059
Number of buys
2
Number of sells
1

Security key

45032V306

Report period

Q3 2026

Institutions

2

Top holders

3

Ownership snapshot

Top reported holders of ISPC - iSpecimen Inc. - COMMON STOCK (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
OBF Investments, LLC
Disclosed value leader
George H. Scholl
Comparable rows
1/15
Latest evidence
30 Jun 2026
3/4/5 13D/G 13F Lead comparable stake: 4.4% 14 rows are not safely comparable across share classes. 13D/G row: OBF Investments, LLC Showing 1-6 of 15 holder rows.

Quick read

OBF Investments, LLC leads the comparable SEC ownership view at 4.4%.

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 OBF Investments, LLC's linked filing trail.
Comparable ownership Top 1
OBF Investments, LLC 4.4%

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
OBF Investments, LLC
3/4/5 13D/G
10%+ Owner · Scholl George H.
4.4%
Reported 13D/G · 31 Dec 2024
$606,226
841,981 shares
— 21 Jun 2021
George H. Scholl
3/4/5
Director
—
denominator unverified
$608,476
845,106 shares
— 03 Jan 2023
Christopher Ianelli
3/4/5
Director
—
mixed-class rows
$320,358
435,359 shares
mixed-class rows
— 03 Jan 2023
Jill Mullan
3/4/5
Director
—
mixed-class rows
$191,383
256,226 shares
mixed-class rows
— 17 Jan 2023
UBS Group AG
13F
Company
13F
—
denominator unverified
$84,898
32,037 shares
— 30 Jun 2026
JANE STREET GROUP, LLC
13F
Company
13F
—
denominator unverified
$64,697
24,414 shares
— 30 Jun 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 Q3 2026

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions
2
Shares
16,010
Rows available
2
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 Q3 2026 vs Q2 2026 Across Filers

Q2 2026 holders
8
Q3 2026 holders
2
Holder diff
-6
Investor Q2 2026 Shares Q3 2026 Shares Share Diff Share Chg % Q2 2026 value Q3 2026 value Value change Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
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