GEOS GEOSPACE TECHNOLOGIES CORP: institutional ownership and insider trading
90 funds reported holding $47.5M of GEOSPACE TECHNOLOGIES CORP in their latest 13F filings; in Q2 2026 funds net sold $10.0M, with 19 new positions and 21 funds selling out.
Famous investors holding GEOS
- Ken Griffin (Citadel Advisors): $710K, 0.0% of the portfolio
- Two Sigma (Two Sigma Investments): $556K, 0.0% of the portfolio
- Renaissance Technologies (Renaissance Technologies): $300K, 0.0% of the portfolio
Largest institutional holders of GEOS
- VANGUARD GROUP INC — $11.0M
- Tieton Capital Management, LLC — $6.14M
- GRACE & WHITE INC /NY — $3.88M
- VANGUARD CAPITAL MANAGEMENT LLC — $3.49M
- DIMENSIONAL FUND ADVISORS LP — $2.66M
- MARSHALL WACE, LLP — $2.04M
- BlackRock, Inc. (BLK) — $1.57M
- US BANCORP \DE\ (USB, USB-PA, USB-PH, USB-PP, USB-PQ, USB-PR, USB-PS) — $1.44M
- SEI INVESTMENTS CO (SEIC) — $1.35M
- GEODE CAPITAL MANAGEMENT, LLC — $1.11M
5%+ owners
- GRACE & WHITE INC /NY: 6.1% (Schedule 13G, filed Oct 7, 2026)