Geospace Technologies
GEOS
69 hedge funds and large institutions have $134M invested in Geospace Technologies in 2025 Q3 according to their latest regulatory filings, with 18 funds opening new positions, 19 increasing their positions, 24 reducing their positions, and 11 closing their positions.
233% more call options, than puts
Call options by funds: $9.09M | Put options by funds: $2.73M
100% more funds holding in top 10
Funds holding in top 10: 1 → 2 (+1)
64% more first-time investments, than exits
New positions opened: 18 | Existing positions closed: 11
28% more capital invested
Capital invested by funds: $104M → $134M (+$29.2M)
10% more funds holding
Funds holding: 63 → 69 (+6)
2.19% less ownership
Funds ownership: 57.17% → 54.99% (-2.2%)
21% less repeat investments, than reductions
Existing positions increased: 19 | Existing positions reduced: 24
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
+$1.06M |
| 2 |
Arrowstreet Capital
Boston,
Massachusetts
|
+$867K |
| 3 |
Citadel Advisors
Miami,
Florida
|
+$823K |
| 4 |
Jane Street
New York
|
+$582K |
| 5 |
TCM
Tieton Capital Management
Yakima,
Washington
|
+$472K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BlackRock
New York
|
-$3.33M |
| 2 |
DGI
Disciplined Growth Investors
Minneapolis,
Minnesota
|
-$1.48M |
| 3 |
Dimensional Fund Advisors
Austin,
Texas
|
-$831K |
| 4 |
MC
Moors & Cabot
Boston,
Massachusetts
|
-$807K |
| 5 |
PLC
Peapod Lane Capital
Bedford Hills,
New York
|
-$698K |
GEOS Hedge Fund Activity: Q3 2025 in Review
69 of the 7,621 institutional investors tracked by Wall St. Rank reported a position in Geospace Technologies (GEOS) for Q3 2025, worth a combined $134M — up 28% from $104M a quarter earlier.
Buyers outnumbered sellers: 18 funds opened new GEOS positions and 11 closed out — a net gain of 7 holders — while 19 added to existing stakes and 24 trimmed.
The largest buyer was Susquehanna International Group, adding an estimated $1.06M. The largest seller was BlackRock, cutting an estimated $3.33M.
- 69 institutional investors held Geospace Technologies (GEOS) as of Q3 2025, up from 63 in Q2 2025.
- Funds reported $134M of Geospace Technologies stock for Q3 2025, up 28% quarter-over-quarter.
- 18 funds opened new Geospace Technologies positions in Q3 2025 and 11 closed out, a net change of +7 holders.
- The largest Geospace Technologies buyer in Q3 2025 was Susquehanna International Group, an estimated $1.06M added.
- The largest Geospace Technologies seller in Q3 2025 was BlackRock, an estimated $3.33M sold.
Based on aggregated 13F filings for Q3 2025.