Ownership Summary
iSpecimen Inc. (NASDAQ:ISPC) is held by 11 institutional investors per 13F filings through December 2025.
- They owned 2.2% of outstanding stock in December 2025, down from 5.9% the prior quarter.
- They increased total shares held in iSpecimen by 31.07% from last quarter, and the number of investors in ISPC increased 37.5% annually.
- During the quarter, 4 of these 11 funds increased positions in ISPC, 3 reduced exposure, and 4 held steady.
- Combined, these investors held 126.66K shares in ISPC for December 2025, up by 30.02K shares quarter on quarter, and up 90.91K shares year over year.
- GEODE CAPITAL MANAGEMENT, LLC is the top holder of iSpecimen as of December 31, 2025, with 41.59K shares representing 0.71% of outstanding stock.
- Top purchasers of ISPC stock for the quarter ending December 2025 included SUSQUEHANNA INTERNATIONAL GROUP, LLP (15.06K), Jump Financial, LLC (10.47K), UBS Group AG (6.44K), Tower Research Capital LLC (TRC) (4.31K).
- Leading sellers of iSpecimen shares for the quarter ending December 2025 were JANE STREET GROUP, LLC (6.16K), GEODE CAPITAL MANAGEMENT, LLC (96), Bank Of America Corp /De/ (7).
- iSpecimen's 10 largest shareholders as of December 2025 include GEODE CAPITAL MANAGEMENT, LLC (41.59K), VANGUARD GROUP INC (29.41K), SUSQUEHANNA INTERNATIONAL GROUP, LLP (15.06K), JANE STREET GROUP, LLC (14.09K), Jump Financial, LLC (10.47K), Tower Research Capital LLC (TRC) (6.66K), UBS Group AG (6.44K), BlackRock, Inc. (2.83K), Bank Of America Corp /De/ (83), SBI Securities Co., Ltd. (4) per Business Quant data.