Geospace Ownership | Who Owns Geospace?

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Geospace Ownership Summary

Geospace is owned by 41.13% institutional investors, 3.14% insiders, and 55.72% retail investors. Disciplined growth investors inc /mn is the largest institutional shareholder, holding 9.01% of GEOS shares. Tieton Small Cap Value is the top mutual fund, with 7.08% of its assets in Geospace shares.

GEOS Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Geospace	41.13%	3.14%	55.72%
Sector	Energy Stocks	147.72%	15.00%	-62.72%
Industry	Oil & Gas Equipment & Services Stocks	41.12%	12.83%	46.05%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Disciplined growth investors inc /mn	1.15M	9.01%	$21.87M
Tieton capital management	912.12K	7.10%	$11.13M
Blackrock	789.49K	5.92%	$7.09M
Vanguard group	648.22K	5.04%	$10.96M
Dimensional fund advisors lp	491.02K	3.82%	$5.99M
Grace & white inc /ny	473.20K	3.68%	$5.77M
First eagle investment management	430.27K	3.35%	$7.28M
Blackrock funding, inc. /de	221.11K	1.72%	$3.74M
Sei investments	196.96K	1.53%	$3.33M
Moors & cabot	190.60K	1.48%	$2.33M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Tieton capital management	912.12K	3.73%	$11.13M
Grace & white inc /ny	473.20K	1.02%	$5.77M
Disciplined growth investors inc /mn	1.15M	0.40%	$21.87M
De lisle partners llp	144.23K	0.34%	$2.73M
Ironwood investment management	36.78K	0.26%	$621.88K
Glenorchy capital	170.99K	0.18%	$2.89M
Eagleclaw capital managment	82.02K	0.14%	$1.00M
Moors & cabot	190.60K	0.10%	$2.33M
Bridgeway capital management	138.62K	0.06%	$2.63M
Mraz, amerine & associates	24.08K	0.04%	$293.79K

Top Buyers

Holder	Shares	% Assets	Change
Blackrock	789.49K	0.00%	579.08K
Sei investments	196.96K	0.00%	196.96K
Grace & white inc /ny	473.20K	1.02%	165.41K
Vanguard fiduciary trust	76.06K	0.00%	76.06K
Goldman sachs group	60.14K	0.00%	41.87K

Top Sellers

Holder	Shares	% Assets	Change
Moors & cabot	190.60K	0.10%	-385.35K
Acuitas investments	-	-	-252.16K
G2 investment partners management	-	-	-192.29K
Hillsdale investment management	-	-	-174.14K
Millennium management	-	-	-163.15K

New Positions

Holder	Shares	% Assets	Change	Value
Sei investments	196.96K	0.00%	196.96K	$3.33M
Vanguard fiduciary trust	76.06K	0.00%	76.06K	$927.99K
Invesco	34.74K	0.00%	34.74K	$312.00K
Vestmark advisory solutions	24.27K	0.01%	24.27K	$410.42K
Cubist systematic strategies	22.77K	0.00%	22.77K	$431.73K

Sold Out

Holder	Change
Jpmorgan chase	-2.00
Eversource wealth advisors	-16.00
True wealth design	-21.00
Gamma investing	-49.00
Stone house investment management	-79.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Dec 31, 2025	61	-18.67%	5,285,589	-25.02%	41	1.36%	36	-7.69%	16	-30.43%
Sep 30, 2025	43	-31.75%	4,306,693	-40.87%	33	1.04%	21	-34.38%	15	-31.82%
Jun 30, 2025	67	6.35%	7,339,736	-9.55%	57	1.42%	34	88.89%	23	-23.33%
Mar 31, 2025	62	-12.68%	8,064,080	-4.51%	63	1.44%	18	-45.45%	30	30.43%
Dec 31, 2024	50	-32.43%	6,042,414	-28.38%	47	1.16%	23	-41.03%	15	-31.82%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Tieton Small Cap Value	912.12K	7.08%	27.94K
Vanguard US Total Market Shares ETF	461.25K	3.61%	-
Vanguard Total Stock Mkt Idx Inv	419.76K	3.26%	-
Disciplined Growth - Small Cap Growth	329.66K	2.56%	-53.85K
First Eagle Small Cap Opportunity I	217.65K	1.69%	-71.41K
First Eagle US Small Cap Strategy	209.03K	1.62%	-169.63K
Pleiades Small Cap Equity A	205.45K	1.59%	8.50K
VT De Lisle America B USD	147.13K	1.14%	-
Vanguard Institutional Extnd Mkt Idx Tr	146.28K	1.14%	7.50K
Fidelity Small Cap Index	117.15K	0.91%	-

Recent Insider Transactions

Date	Name	Role	Activity	Value
Feb 22, 2024	Miles Richard F	-	Sell	$59.00K
Feb 22, 2024	Adams Robbin B.	SVP & Chief Technical Officer	Sell	$11.33K
Feb 22, 2024	Adams Robbin B.	SVP & Chief Technical Officer	Sell	$1.23K
Feb 22, 2024	Adams Robbin B.	SVP & Chief Technical Officer	Sell	$2.78K
Feb 14, 2024	Adams Robbin B.	SVP & Chief Technical Officer	Sell	$25.53K

Insider Transactions Trends

Date	Buy	Sell
2026 Q1	-	-
2025 Q4	-	-
2025 Q1	-	-
2024 Q4	-	-
2024 Q2	-	-

GEOS Ownership FAQ

Who Owns Geospace?

Geospace shareholders are primarily institutional investors at 41.13%, followed by 3.14% insiders and 55.73% retail investors. The average institutional ownership in Geospace's industry, Oil & Gas Equipment & Services Stocks, is 41.12%, which Geospace exceeds.

Who owns the most shares of Geospace?

Geospace’s largest shareholders are Disciplined growth investors inc /mn (1.15M shares, 9.01%), Tieton capital management (912.12K shares, 7.10%), and Blackrock (789.49K shares, 5.92%). Together, they hold 22.02% of Geospace’s total shares outstanding.

Does Blackrock own Geospace?

Yes, BlackRock owns 5.92% of Geospace, totaling 789.49K shares as of Jun 2024. This represents 0.00% of BlackRock's total assets, with a market value of 7.09M$. In the last quarter, BlackRock increased its holdings by 579.08K shares, a 275.21% change.

Who is Geospace’s biggest shareholder by percentage of total assets invested?

Tieton capital management is Geospace’s biggest shareholder by percentage of total assets invested, with 3.73% of its assets in 912.12K Geospace shares, valued at 11.13M$.

Who is the top mutual fund holder of Geospace shares?

Tieton Small Cap Value is the top mutual fund holder of Geospace shares, with 7.08% of its total shares outstanding invested in 912.12K Geospace shares.

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