iSpecimen Inc. - Common Stock (ISPC) Institutional Ownership

13F Institutional Holders and Ownership History from Q3 2024 to Q4 2025

Type / Class
Equity / Common Stock
Symbol
ISPC on Nasdaq
Shares outstanding
960,523
Price per share
$0.31
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
126,655
Total reported value
$32,939
% of total 13F portfolios
0%
Share change
-216,436
Value change
-$310,567
Number of holders
11
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of iSpecimen Inc. - Common Stock (ISPC) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
OBF Investments, LLC 4.4% $52,406 42,263 Scholl George H. 31 Dec 2024

As of 31 Dec 2025, 11 institutional investors reported holding 126,655 shares of iSpecimen Inc. - Common Stock (ISPC). This represents 13% of the company’s total 960,523 outstanding shares.

Top 15 Institutional Shareholders

The largest institutional shareholders of iSpecimen Inc. - Common Stock (ISPC) together control 13% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
GEODE CAPITAL MANAGEMENT, LLC 4.3% 41,594 -0.23% 0% $10,817
VANGUARD GROUP INC 3.1% 29,407 0% 0% $7,646
SUSQUEHANNA INTERNATIONAL GROUP, LLP 1.6% 15,063 0% $3,918
JANE STREET GROUP, LLC 1.5% 14,093 -30% 0% $3,666
Jump Financial, LLC 1.1% 10,473 0% $2,724
Tower Research Capital LLC (TRC) 0.69% 6,664 +183% 0% $1,733
UBS Group AG 0.67% 6,445 0% $1,676
BlackRock, Inc. 0.29% 2,827 0% 0% $735
BANK OF AMERICA CORP /DE/ 0.01% 83 +84% 0% $22
SBI Securities Co., Ltd. 0% 4 0% 0% $1
Sachetta, LLC 0% 2 0% 0% $1
RENAISSANCE TECHNOLOGIES LLC 0% 0 -100% $0
FMR LLC 0% 0 -100% $0
Scientech Research LLC 0% 0 -100% $0
Virtu Financial LLC 0% 0 -100% $0

Institutional Holders of iSpecimen Inc. - Common Stock (ISPC) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 126,655 $32,939 -$310,567 $0.26 11
2025 Q3 343,091 $442,987 +$369,509 $1.29 12
2025 Q2 67,431 $66,082 +$5,475 $0.98 9
2025 Q1 60,064 $63,669 +$25,780 $1.06 8
2024 Q4 35,743 $94,899 -$76,682 $2.66 7
2024 Q3 38,918 $182,865 +$169,578 $4.70 6