DOSSIER · 13F Holders · Q1 2026
ISPC

ISPECIMEN INC

11 institutions still hold ISPECIMEN INC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 45032V207·11 13F holders·last filed Mar 31, 2026
Market cap
13F value held
$76K
visible holders
Holders
11
filers reporting
Concentration
65.08%
GEODE CAPITAL MANAGEMENT, LLC #1
top holder share
AI Holders Summary · Q1 2026

11 institutions reported ISPC in Q1 2026. GEODE CAPITAL MANAGEMENT, LLC leads at 65.1% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$49K313K0.00%Q1 2026
02
JANE STREET GROUP, LLC
CIK 0001595888· Market maker
$9K56K0.00%Q1 2026
03
UBS Group AG
CIK 0001610520
$8K54K0.00%Q1 2026
04
VANGUARD FIDUCIARY TRUST CO
CIK 0000933478· Index
$4K28K0.00%Q1 2026
05
StoneX Group Inc.
CIK 0000913760
$3K20K0.00%Q1 2026
06
Tower Research Capital LLC (TRC)
CIK 0001533421
$1K7K0.00%Q1 2026
07
BlackRock, Inc.
CIK 0002012383
$4443K0.00%Q1 2026
08
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$1941K0.00%Q1 2026
09
SBI Securities Co., Ltd.
CIK 0001851815
$3190.00%Q1 2026
10
Sachetta, LLC
CIK 0002010574
$120.00%Q1 2026
11
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025
Insiders at ISPECIMEN INC
Dhaliwal AvtarField KatharynPaolone RichardGraham Elizabeth AmesRoss Andrew L.Mock Theresa LGullans Steven R. Ph.D.Brooks John L. Iii