Geospace TechnologiesGEOS

13F holders, Q1 2025 (March 31)
61holders −11
2new positions
13sold out
2famous investors
$7.21avg. 13F price*

At the end of Q1 2025, 61 institutions reported holding Geospace Technologies Corp. (GEOS) in their 13F filings, down 11 from Q4 2024. 2 opened new positions and 13 sold out. The largest holders were Disciplined Growth Investors Inc. ($9.1M), BlackRock, Inc. ($6.4M) and Tieton Capital Management, LLC ($6.2M). 2 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).

Company
Geospace Technologies Corp.
CUSIP
37364X109
Latest filing quarter
Q2 2026

History

Number of 13F holders

020406080100 Q1 2024: 70Q1 2024Q2 2024: 68Q2 2024Q3 2024: 72Q3 2024Q4 2024: 72Q4 2024Q1 2025: 61Q1 2025Q2 2025: 63Q2 2025Q3 2025: 69Q3 2025Q4 2025: 84Q4 2025Q1 2026: 86Q1 2026Q2 2026: 82Q2 2026

Total Exit/New Position Q4 2024 → Q1 2025

InstitutionsTotal Value
New Positions2$285K
Exits13$3.7M

All 13F filers, Q4 2024 → Q1 2025: 492,530 shares bought and 871,207 shares sold, net −378,677 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 61 holders

Disciplined Growth Investors Inc. 0.19% Reduce -11.0% 1,268,330 $9.1M
BlackRock, Inc. 0.00% Reduce -1.4% 882,005 $6.4M
Tieton Capital Management, LLC 2.85% Reduce -2.2% 863,402 $6.2M
Moors & Cabot, Inc. 0.29% Add +5.3% 785,900 $5.7M
Vanguard Group Inc. 0.00% Reduce -0.2% 736,111 $5.3M
Dimensional Fund Advisors LP 0.00% Add +2.7% 667,196 $4.8M
First Eagle Investment Management, LLC 0.01% Add +65.1% 467,887 $3.4M
Grace & White Inc. 0.42% Add +39.4% 301,321 $2.2M
Geode Capital Management, LLC 0.00% Reduce -1.1% 283,732 $2.0M
Peapod Lane Capital LLC 2.27% Add +10.4% 280,051 $2.0M
Glenorchy Capital Ltd 1.03% Add +3.9% 191,938 $1.4M
State Street Corp. 0.00% Reduce -2.9% 158,616 $1.1M
De Lisle Partners LLP 0.17% No change 144,234 $1.0M
Bridgeway Capital Management, LLC 0.02% Reduce -13.1% 126,623 $913K
US Bancorp \de 0.00% Add +74.6% 124,034 $894K
American Century Companies Inc. 0.00% Reduce -24.1% 110,210 $795K
Northern Trust Corp. 0.00% Reduce -6.3% 107,054 $772K
Empowered Funds, LLC 0.01% Add +8.2% 52,207 $376K
STRS Ohio 0.00% No change 50,900 $367K
Renaissance Technologies 0.00% Add +1.6% 44,600 $322K
Acadian Asset Management LLC 0.00% Reduce -47.0% 42,946 $309K
EagleClaw Capital Managment, LLC 0.05% Add +193.1% 40,150 $289K
Citadel Advisors 0.00% New 35,507 $256K
Ironwood Investment Management LLC 0.14% Reduce -9.1% 35,084 $253K
Charles Schwab Investment Management Inc. 0.00% No change 33,321 $240K
Bank of New York Mellon Corp 0.00% Add +15.2% 30,601 $221K
Mraz, Amerine & Associates, Inc. 0.03% No change 24,181 $175K
Susquehanna International Group, LLP 0.00% Add +19.7% 22,635 $163K
Goldman Sachs Group Inc. 0.00% Reduce -39.8% 19,801 $143K
Essex Investment Management Co. LLC 0.03% Reduce -0.0% 19,489 $141K
LSV Asset Management 0.00% No change 18,043 $130K
Morgan Stanley 0.00% Reduce -34.5% 18,025 $130K
Nuveen, LLC 0.00% — 16,684 $120K
Wells Fargo & Company 0.00% Add +1.1% 14,808 $107K
Barclays PLC 0.00% Reduce -33.0% 12,280 $89K
Rhumbline Advisers 0.00% Reduce -12.0% 11,559 $83K
UBS Group AG 0.00% Reduce -29.4% 9,834 $71K
Citigroup Inc. 0.00% Reduce -44.8% 8,472 $61K
Bank of America Corp. 0.00% Reduce -36.5% 7,744 $56K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% Add +4.5% 7,241 $52K
Victory Capital Management Inc. 0.00% Reduce -94.4% 6,911 $50K
Corebridge Financial, Inc. 0.00% Reduce -1.5% 5,965 $43K
JPMorgan Chase & Co. 0.00% Reduce -56.2% 5,950 $43K
CIBC Private Wealth Group LLC 0.00% Reduce -17.6% 7,000 $42K
Police & Firemen's Retirement System of New Jersey 0.00% New 4,043 $29K
Tower Research Capital LLC (TRC) 0.00% Reduce -30.0% 1,349 $10K
Ameritas Investment Partners, Inc. 0.00% No change 1,231 $9K
FMR LLC 0.00% Reduce -18.5% 1,210 $9K
Royal Bank of Canada 0.00% Reduce -90.5% 1,058 $8K
Legal & General Group Plc 0.00% No change 1,077 $8K
California State Teachers Retirement System 0.00% No change 910 $7K
BNP Paribas Financial Markets 0.00% Reduce -64.7% 842 $6K
New York State Common Retirement Fund 0.00% No change 700 $5K
Osaic Holdings, Inc. 0.00% Reduce -97.3% 500 $4K
Amalgamated Bank 0.00% No change 435 $3K
Sunbelt Securities, Inc. 0.00% No change 300 $2K
Sterling Capital Management LLC 0.00% Reduce -48.7% 219 $2K
Nisa Investment Advisors, LLC 0.00% Add +233.3% 200 $1K
Capital Advisors, Ltd. LLC 0.00% No change 122 $1K
Cwm, LLC 0.00% Reduce -78.8% 192 $1K
SBI Securities Co., Ltd. 0.00% No change 10 $72

"% of holder's portfolio" is GEOS's weight in each manager's 13F, not the share of Geospace Technologies Corp. the manager owns.