GEOSPACE TECHNOLOGIES CORP - Common Stock (GEOS)

CUSIP: 37364X109

Q3 2025 13F Holders as of 30 Sep 2025

Type / Class
Equity / Common Stock
Shares outstanding
12,957,953
Total 13F shares
7,049,687
Share change
-275,408
Total reported value
$133,655,336
Put/Call ratio
23%
Price per share
$18.96
Number of holders
69
Value change
-$4,677,131
Number of buys
36
Number of sells
35

Quarterly Holders Quick Answers

What is CUSIP 37364X109?
CUSIP 37364X109 identifies GEOS - GEOSPACE TECHNOLOGIES CORP - Common Stock in SEC institutional holdings data.

Need full ownership history?
Open the full security ownership history page.

Top shareholders of GEOS - GEOSPACE TECHNOLOGIES CORP - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Holder Source Role / Reporting Ownership % Shares Holdings Value 12M Net Δ As of Details
DISCIPLINED GROWTH INVESTORS INC /MN
13F
Company
9.6%
1,244,769
$17,750,406 30 Jun 2025
13F
Tieton Capital Management, LLC
13F 13D/G
Company
6.9%
from 13D/G
859,177
$12,252,000 30 Jun 2025
Moors & Cabot, Inc.
13F
Company
5.9%
764,600
$10,903,196 30 Jun 2025
13F
DIMENSIONAL FUND ADVISORS LP
13D/G 13F
Company
4.9%
628,404
$10,412,654 -$356,736 30 Sep 2025
VANGUARD GROUP INC
13F
Company
5.1%
658,718
$9,393,319 30 Jun 2025
13F
First Eagle Investment Management, LLC
13F
Company
3.9%
509,364
$7,263,531 30 Jun 2025
13F
BlackRock, Inc.
13F 13D/G
Company
2.7%
from 13D/G
412,941
$5,888,540 30 Jun 2025
GRACE & WHITE INC /NY
13F
Company
2.5%
330,321
$4,710,377 30 Jun 2025
13F
Gary D. Owens
3/4/5
Director
class O/S missing
590,126
$3,245,693 07 Feb 2024
Glenorchy Capital Ltd
13F
Company
1.5%
193,884
$2,764,793 30 Jun 2025
13F
MILLENNIUM MANAGEMENT LLC
13F
Company
1.1%
146,211
$2,084,969 30 Jun 2025
13F
De Lisle Partners LLP
13F
Company
1.1%
144,234
$2,061,104 30 Jun 2025
13F
GEODE CAPITAL MANAGEMENT, LLC
13F
Company
1.1%
141,126
$2,013,183 30 Jun 2025
13F
BRIDGEWAY CAPITAL MANAGEMENT, LLC
13F
Company
1%
131,478
$1,874,876 30 Jun 2025
13F
Peapod Lane Capital LLC
13F
Company
0.99%
128,126
$1,827,084 30 Jun 2025
13F
US BANCORP \DE\
13F
Company
0.96%
124,034
$1,768,725 30 Jun 2025
13F
AMERICAN CENTURY COMPANIES INC
13F
Company
0.72%
93,273
$1,330,073 30 Jun 2025
13F
SUSQUEHANNA INTERNATIONAL GROUP, LLP
13F
Company
0.63%
81,170
$1,157,484 30 Jun 2025
13F
Robbin B. Adams
3/4/5
SVP & Chief Technical Officer
class O/S missing
74,921
$902,049 21 Nov 2024
Empowered Funds, LLC
13F
Company
0.44%
57,062
$813,704 30 Jun 2025
13F
STATE STREET CORP
13F
Company
0.4%
51,189
$729,955 30 Jun 2025
13F
ROYAL BANK OF CANADA
13F
Company
0.39%
50,923
$727,000 30 Jun 2025
13F
RENAISSANCE TECHNOLOGIES LLC
13F
Company
0.35%
45,200
$644,552 30 Jun 2025
13F
NORTHERN TRUST CORP
13F
Company
0.32%
40,985
$584,446 30 Jun 2025
13F
Informed Momentum Co LLC
13F
Company
0.29%
38,188
$544,561 30 Jun 2025
13F
SummitTX Capital, L.P.
13F
Company
0.29%
37,196
$530,415 30 Jun 2025
13F
IRONWOOD INVESTMENT MANAGEMENT LLC
13F
Company
0.29%
37,168
$530,016 30 Jun 2025
13F
EagleClaw Capital Managment, LLC
13F
Company
0.28%
36,150
$515,499 30 Jun 2025
13F
Michael J. Sheen
3/4/5
SVP & Chief Technical Officer
class O/S missing
85,881
$472,346 21 Nov 2022
GOLDMAN SACHS GROUP INC
13F
Company
0.24%
31,535
$449,689 30 Jun 2025
13F
Squarepoint Ops LLC
13F
Company
0.23%
29,834
$425,433 30 Jun 2025
13F
Mraz, Amerine & Associates, Inc.
13F
Company
0.19%
24,081
$343,395 30 Jun 2025
13F
Brevan Howard Capital Management LP
13F
Company
0.17%
21,479
$306,291 30 Jun 2025
13F
Y-Intercept (Hong Kong) Ltd
13F
Company
0.16%
20,184
$287,824 30 Jun 2025
13F
ACADIAN ASSET MANAGEMENT LLC
13F
Company
0.12%
16,093
$229,000 30 Jun 2025
13F
TWO SIGMA INVESTMENTS, LP
13F
Company
0.12%
15,271
$217,764 30 Jun 2025
13F
HRT FINANCIAL LP
13F
Company
0.12%
15,177
$216,000 30 Jun 2025
13F
GSA CAPITAL PARTNERS LLP
13F
Company
0.11%
14,142
$202,000 30 Jun 2025
13F
ESSEX INVESTMENT MANAGEMENT CO LLC
13F
Company
0.11%
13,636
$194,449 30 Jun 2025
13F
BANK OF AMERICA CORP /DE/
13F
Company
0.1%
13,043
$185,993 30 Jun 2025
13F
ARS Wealth Advisors Group, LLC
13F
Company
0.1%
12,550
$178,963 30 Jun 2025
13F
Tina M. Langtry
3/4/5
Director
class O/S missing
31,975
$175,863 09 Feb 2023
Jain Global LLC
13F
Company
0.09%
11,578
$165,102 30 Jun 2025
13F
MORGAN STANLEY
13F
Company
0.06%
7,314
$104,296 30 Jun 2025
13F
CIBC Private Wealth Group LLC
13F
Company
0.05%
7,000
$99,820 30 Jun 2025
13F
VICTORY CAPITAL MANAGEMENT INC
13F
Company
0.05%
6,911
$98,551 30 Jun 2025
13F
WELLS FARGO & COMPANY/MN
13F
Company
0.05%
6,226
$88,783 30 Jun 2025
13F
CITIGROUP INC
13F
Company
0.04%
5,722
$81,595 30 Jun 2025
13F
Kenneth Asbury
3/4/5
Director
class O/S missing
13,530
$74,415 02 Feb 2022
RAYMOND JAMES FINANCIAL INC
13F
Company
0.03%
3,569
$50,894 30 Jun 2025
13F

Institutional Holders of GEOSPACE TECHNOLOGIES CORP - Common Stock (GEOS) as of Q3 2025

As of 30 Sep 2025, GEOSPACE TECHNOLOGIES CORP - Common Stock (GEOS) was held by 69 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 7,049,687 shares. The largest 10 holders included DISCIPLINED GROWTH INVESTORS INC /MN, Tieton Capital Management, LLC, Moors & Cabot, Inc., VANGUARD GROUP INC, DIMENSIONAL FUND ADVISORS LP, First Eagle Investment Management, LLC, GRACE & WHITE INC /NY, BlackRock, Inc., Glenorchy Capital Ltd, and SUSQUEHANNA INTERNATIONAL GROUP, LLP. This page lists 69 institutional shareholders reporting positions in this security for the Q3 2025 filing period.
Investor Option Weight % Change % Value $ * Price Shares Share Change Activity Report Period

Compare Q3 2025 vs Q2 2025 Across Filers

Q2 2025 holders
62
Q3 2025 holders
69
Holder diff
7
Investor Q2 2025 Shares Q3 2025 Shares Share Diff Share Chg % Q2 2025 Value $ Q3 2025 Value $ Value Diff $ Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.
We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Here you can make detailed settings or revoke your consent (in part if necessary) with effect for the future. For further information, please refer to our Privacy Policy .