iSpecimen Inc. (ISPC) Institutional Ownership

Ownership Summary

iSpecimen Inc. (NASDAQ:ISPC) has 11 institutional investors that have filed 13F reports for the period ending 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.
• Of these 11 holders, 4 added to their stakes in iSpecimen, 3 trimmed positions, and 4 made no changes.
• The aggregate institutional position in iSpecimen amounted to 126.66K shares as of December 2025, up by 30.02K shares quarter on quarter, and up 90.91K shares year over year.
• As of December 31, 2025, the biggest holder of iSpecimen is GEODE CAPITAL MANAGEMENT, LLC at 41.59K shares, representing 0.71% of shares outstanding.
• The largest buyers of iSpecimen for the quarter ending December 2025 were SUSQUEHANNA INTERNATIONAL GROUP, LLP (15.06K), Jump Financial, LLC (10.47K), UBS Group AG (6.44K), Tower Research Capital LLC (TRC) (4.31K).
• Top sellers of ISPC stock for the quarter ending December 2025 included 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.