Skip to main content

Tower Research Capital LLC (TRC)

Position in ISPC — iSpecimen Inc.

CIK 1533421 NEW YORK, NY

Position in ISPC

as of Jun 30, 2026 · filed Aug 11, 2026
Position Value
$580
-$464 QoQ
Shares Held
219
+31.9% QoQ
Ownership
0.009%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#4
of 8 holders
Holding Since
Sep 2021
19 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in ISPC Over Time

Shares Held

Position Value (USD)

Position in Diagnostics & Research

Healthcare · as of Jun 30, 2026

Tower Research Capital LLC (TRC) holds $17,908,683 across 42 Diagnostics & Research names. ISPC ranks #39 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in ISPC

Export CSV
19 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $580 219
2026-03-31 $1,044 6,651
2025-12-31 $1,732 6,664
2025-09-30 $3,040 2,357
2025-06-30 $6,062 6,186
2025-03-31 $3,159 2,981
2024-12-31 $347 131
2024-09-30 $5,489 1,168
2024-03-31 $739 3,186
2023-12-31 $1,538 3,071
2023-09-30 $1,932 3,117
2023-06-30 $4,131 2,889
2023-03-31 $3,939 2,940
2022-12-31 $7,797 5,671
2022-09-30 $5,940 3,600
2022-06-30 $10,801 4,955
2022-03-31 $18,816 3,504
2021-12-31 $21,399 2,740
2021-09-30 $7,964 1,365