Geospace Technologies Corporation

GEOS • NASDAQ

Geospace Technologies Corporation is a oil & gas equipment & services company in the energy sector on NASDAQ, led by Rick Wheeler, with a market cap of $199.6M. As of Q3 2025, 55% of shares are held by 68 institutional investors, with DISCIPLINED GROWTH INVESTORS INC /MN as the largest holder at 9.0%.

CEORick Wheeler

Market Cap$199.6M

Oil & Gas Equipment & Services

Energy

Employees681.0

Websitegeospace.com

Country

United States of America

Overview

Overview of institutional ownership in GEOS as of Q3 2025 with a market cap of $243.1M

All Institutions

Institutions: 68
Value Held: $133.6M
Shares Held: 7.0M
Avg Position: $2.0M
Median Position: $421.8K

Hedge Funds

Hedge Funds: 10
Value Held: $10.3M
Shares Held: 543.5K
Avg Position: $1.0M
Median Position: $604.6K

Ownership Breakdown

Institutional (non-HF)

50.73%

$123.3M

Hedge Funds

4.24%

$10.3M

Retail & Other

45.03%

$109.5M

Based on market cap of $243.1M as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.

Biggest Investors

Institutions with the largest positions in GEOS as of Q3 2025

Institution	Key People	Position Value	Ownership	Owned Since	Total AUM (Long)
D DISCIPLINED GROWTH INVESTORS INC /MN Long Only Manager	Ricki Lee Martin CEO	$21.9M 0.40% of portfolio	9.00% 1.2M shares	Q1 2015 Held for 10y 8m	$5.5B
T Tieton Capital Management, LLC Long Only Manager	William Joseph Dezellem President	$16.8M 5.85% of portfolio	6.93% 888.3K shares	≤ Q2 2013 Held for 12y 5m+	$288.1M
Moors & Cabot, Inc. RIA/Wealth	Michael Christopher Hildreth CEO	$13.6M 0.59% of portfolio	5.57% 714.8K shares	Q4 2019 Held for 5y 11m	$2.3B
VANGUARD GROUP INC Institution	Salim Ramji CEO	$12.0M 0.00% of portfolio	4.95% 634.5K shares	≤ Q2 2013 Held for 12y 5m+	$6.69T
DIMENSIONAL FUND ADVISORS LP Long Only Manager	David Paul Butler CEO	$11.9M 0.00% of portfolio	4.90% 628.4K shares	≤ Q2 2013 Held for 12y 5m+	$466.32B
F First Eagle Investment Management, LLC Long Only Manager	Mehdi Asif Mahmud CEO	$9.9M 0.02% of portfolio	4.08% 522.9K shares	Q3 2024 Held for 1y 2m	$54.9B
G GRACE & WHITE INC /NY RIA/Wealth	Marc Emil Ravitz President	$6.0M 1.24% of portfolio	2.45% 314.5K shares	Q4 2022 Held for 2y 11m	$481.2M
B BlackRock, Inc. Institution	-	$3.9M 0.00% of portfolio	1.62% 207.2K shares	≤ Q2 2013 Held for 12y 5m+	$5.67T
Glenorchy Capital Ltd Hedge Fund•Global Macro	Bradley Thomas Mcfadden CIO	$3.5M 2.51% of portfolio	1.42% 182.3K shares	Q4 2023 Held for 1y 11m	$137.8M
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	-	$2.8M 0.00% of portfolio	1.14% 146.7K shares	Q4 2024 Held for 11 months	$67.9B

Net Capital Flow

Institutional buying and selling activity for GEOS in Q3 2025

Traded: −$4.5M
Buyers: 36
Sellers: 35
Total Bought: +$8.0M
Total Sold: −$12.5M
Avg Position: $1.7M

Biggest Buyers

Institution	Net Bought	Current Position
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	+$1.2M +65.6K shares	$2.8M 146.7K shares
ARROWSTREET CAPITAL LIMITED PARTNERSHIP Hedge Fund•Quant	+$1.0M +53.5K shares	$1.0M 53.5K shares
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	+$963.6K +50.8K shares	$963.6K 50.8K shares
J JANE STREET GROUP, LLC Institution	+$681.7K +36.0K shares	$681.7K 36.0K shares
T Tieton Capital Management, LLC Long Only Manager	+$552.9K +29.2K shares	$16.8M 888.3K shares
EagleClaw Capital Managment, LLC RIA/Wealth	+$474.0K +25.0K shares	$1.2M 61.2K shares
Quest Partners LLC Hedge Fund•Quant Macro	+$468.8K +24.7K shares	$468.8K 24.7K shares
C Cubist Systematic Strategies, LLC Institution	+$431.7K +22.8K shares	$431.7K 22.8K shares
TWO SIGMA INVESTMENTS LLC Hedge Fund•Multi-Strategy	+$411.5K +21.7K shares	$701.1K 37.0K shares
F First Eagle Investment Management, LLC Long Only Manager	+$256.0K +13.5K shares	$9.9M 522.9K shares

Biggest Sellers

Institution	Net Sold	Current Position
B BlackRock, Inc. Institution	−$3.9M −205.8K shares	$3.9M 207.2K shares
D DISCIPLINED GROWTH INVESTORS INC /MN Long Only Manager	−$1.7M −91.2K shares	$21.9M 1.2M shares
DIMENSIONAL FUND ADVISORS LP Long Only Manager	−$972.4K −51.3K shares	$11.9M 628.4K shares
Moors & Cabot, Inc. RIA/Wealth	−$945.2K −49.9K shares	$13.6M 714.8K shares
P Peapod Lane Capital LLC Institution	−$818.0K −43.1K shares	$1.6M 85.0K shares
SummitTX Capital, L.P. Hedge Fund•Multi-Strategy	−$530.4K −37.2K shares	Sold Off 0 shares
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy	−$480.8K −25.4K shares	$2.3M 120.9K shares
VANGUARD GROUP INC Institution	−$459.9K −24.3K shares	$12.0M 634.5K shares
RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant	−$386.8K −20.4K shares	$470.2K 24.8K shares
B Brevan Howard Capital Management LP Institution	−$306.3K −21.5K shares	Sold Off 0 shares

Entry and Exit Activity

Institutions that initiated new positions or completely exited GEOS in Q3 2025

New Positions: 10
New Value: $509.2K
Exited Positions: 11
Exited Value: $1.6M

New Positions

Institution	Position Value
Quest Partners LLC Hedge Fund•Quant Macro	$468.8K 24.7K shares
A Advisory Services Network, LLC RIA/Wealth	$12.3K 650.0 shares
Hanson McClain, Inc. RIA/Wealth	$10.2K 540.0 shares
CoreCap Advisors, LLC RIA/Wealth	$9.5K 500.0 shares
Farther Finance Advisors, LLC RIA/Wealth	$6.0K 317.0 shares
SIGNATUREFD, LLC RIA/Wealth	$1.0K 54.0 shares
R Root Financial Partners, LLC RIA/Wealth	$645.0 34.0 shares
Point72 Ltd RIA/Wealth	$507.0 27.0 shares
O Optiver Holding B.V. Institution	$114.0 6.0 shares
HARBOUR INVESTMENTS, INC. RIA/Wealth	$95.0 5.0 shares

Exited Positions

Institution	Previous Position
SummitTX Capital, L.P. Hedge Fund•Multi-Strategy	$530.4K 37.2K shares
B Brevan Howard Capital Management LP Institution	$306.3K 21.5K shares
Y Y-Intercept Ltd Institution	$287.8K 20.2K shares
ARS Wealth Advisors Group, LLC RIA/Wealth	$179.0K 12.6K shares
Jain Global LLC Hedge Fund•Multi-Strategy	$165.1K 11.6K shares
VICTORY CAPITAL MANAGEMENT INC Long Only Manager	$98.6K 6.9K shares
RAYMOND JAMES FINANCIAL INC RIA/Wealth	$50.9K 3.6K shares
T Tower Research Capital LLC Institution	$29.6K 2.1K shares
S Skopos Labs, Inc. RIA/Wealth	$2.0K 141.0 shares
E EverSource Wealth Advisors, LLC RIA/Wealth	$228.0 16.0 shares

Options Activity

Institutions with the largest Call and Put options positions in GEOS as of Q3 2025

Call Positions: 4
Call Value: $8.3M
Put Positions: 3
Put Value: $1.9M

Call Positions

Institution	Position Value
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$5.0M 2.7K contracts
J JANE STREET GROUP, LLC Institution	$1.4M 739.0 contracts
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$1.3M 711.0 contracts
W WOLVERINE TRADING, LLC Institution	$482.8K 252.0 contracts

Put Positions

Institution	Position Value
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$1.5M 793.0 contracts
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$403.8K 213.0 contracts
J JANE STREET GROUP, LLC Institution	- - contracts

Most Committed Institutions

Institutions with GEOS as the highest % of their portfolio as of Q3 2025

Institution	Key People	Portfolio Weight	Ownership	Owned Since	Total AUM (Long)
T Tieton Capital Management, LLC Long Only Manager	William Joseph Dezellem President	5.85% $16.8M	6.93% 888.3K shares	≤ Q2 2013 Held for 12y 5m+	$288.1M
Glenorchy Capital Ltd Hedge Fund•Global Macro	Bradley Thomas Mcfadden CIO	2.51% $3.5M	1.42% 182.3K shares	Q4 2023 Held for 1y 11m	$137.8M
P Peapod Lane Capital LLC Institution	-	1.44% $1.6M	0.66% 85.0K shares	Q4 2024 Held for 11 months	$111.8M
G GRACE & WHITE INC /NY RIA/Wealth	Marc Emil Ravitz President	1.24% $6.0M	2.45% 314.5K shares	Q4 2022 Held for 2y 11m	$481.2M
Moors & Cabot, Inc. RIA/Wealth	Michael Christopher Hildreth CEO	0.59% $13.6M	5.57% 714.8K shares	Q4 2019 Held for 5y 11m	$2.3B
D DISCIPLINED GROWTH INVESTORS INC /MN Long Only Manager	Ricki Lee Martin CEO	0.40% $21.9M	9.00% 1.2M shares	Q1 2015 Held for 10y 8m	$5.5B
D De Lisle Partners LLP Institution	-	0.33% $2.7M	1.13% 144.2K shares	Q1 2024 Held for 1y 8m	$815.6M
I IRONWOOD INVESTMENT MANAGEMENT LLC Long Only Manager	Donald Collins Managing Partner	0.31% $698.8K	0.29% 36.9K shares	Q3 2018 Held for 7y 2m	$227.0M
EagleClaw Capital Managment, LLC RIA/Wealth	Katherine Rose Kelliher CCO	0.16% $1.2M	0.48% 61.2K shares	Q3 2024 Held for 1y 2m	$714.9M
EAM Investors, LLC Long Only Manager	Derek John Gaertner CEO	0.10% $869.1K	0.36% 45.8K shares	Q2 2025 Held for 5 months	$873.4M

Hedge Fund Spotlight

Discover hedge funds investing in GEOS

RENAISSANCE TECHNOLOGIES LLC

Hedge Fund • Quant

Portfolio ManagerPeter Fitzhugh Brown

Portfolio Value: $75.8B
Positions: 3,419
Last Reported: Q3 2025

Sector Allocation

Position in Geospace Technologies Corporation

Market Value: $470.2K
Shares Held: 24.8K
Portfolio Weight: 0.00%
Owned Since: 2022-Q4

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