Geospace Technologies Corp (GEOS) Institutional Ownership

Ownership Summary

Geospace Technologies Corp (NASDAQ:GEOS) appears in 83 institutional 13F filings for the quarter ending December 2025.

• Collectively, these holders controlled 49.1% of Geospace Technologies's outstanding shares in December 2025, up from 48.2% in September 2025.
• They increased total shares held in Geospace Technologies by 5.24% from the prior quarter, while the number of investors in GEOS increased 15.28% year over year.
• During the quarter, 51 of these 83 funds increased positions in GEOS, 20 reduced exposure, and 12 held steady.
• The aggregate institutional position in Geospace Technologies amounted to 6.31Mn shares as of December 2025, up by 314.27K shares quarter on quarter, and down 1.39Mn shares year over year.
• DISCIPLINED GROWTH INVESTORS INC /MN is the top holder of Geospace Technologies as of December 31, 2025, with 1.13Mn shares representing 8.81% of outstanding stock.
• The biggest buyers of Geospace Technologies for the quarter ending December 2025 included Sei Investments Co (196.96K), SUSQUEHANNA INTERNATIONAL GROUP, LLP (84.54K), State Street Corp (68.25K), Cambridge Investment Research Advisors, Inc. (58.17K), Brooklyn Investment Group (43.8K).
• The largest sellers of Geospace Technologies for the quarter ending December 2025 were Moors & Cabot, Inc. (138.8K), First Eagle Investment Management, LLC (92.59K), DIMENSIONAL FUND ADVISORS LP (84.3K), MILLENNIUM MANAGEMENT LLC (58.83K), AMERICAN CENTURY COMPANIES INC (55.39K).
• According to Business Quant data, leading holders of GEOS for December 2025 are DISCIPLINED GROWTH INVESTORS INC /MN (1.13Mn), VANGUARD GROUP INC (648.22K), Moors & Cabot, Inc. (575.95K), DIMENSIONAL FUND ADVISORS LP (544.1K), First Eagle Investment Management, LLC (430.27K), GRACE & WHITE INC /NY (307.8K), SUSQUEHANNA INTERNATIONAL GROUP, LLP (231.28K), BlackRock, Inc. (221.11K), Sei Investments Co (196.96K), Glenorchy Capital Ltd (170.99K).