GEOSPACE TECHNOLOGIES CORP

PublicCIK: 1001115
GEOSNASDAQ
Location

HOUSTON, TX

13F Filings

Institutional Holders

GEOSPACE TECHNOLOGIES CORPGEOS— Latest position per institution from SEC 13F filings

15

Institutional holders

8.67M

Total shares held

64.59M

Estimated value

433.74K

Avg. position size

1

DISCIPLINED GROWTH INVESTORS INC /MN

CIK 1050442

Shares

1.10M

Value

13.44M

Filed

Mar 31, 2026

2

RUTABAGA CAPITAL MANAGEMENT LLC/MA

CIK 1128239

Shares

936.53K

Value

4.13K

Filed

Sep 30, 2022

3

TIETON CAPITAL MANAGEMENT, LLC

CIK 1381954

Shares

907.26K

Value

6.14K

Filed

Jun 30, 2026

4

BLACKROCK FINANCE, INC.

CIK 1364742

Shares

789.49K

Value

7.09M

Filed

Jun 30, 2024

5

GRACE & WHITE INC /NY

CIK 903064

Shares

673.24K

Value

4.56M

Filed

Jun 30, 2026

6

VANGUARD GROUP INC

CIK 102909

Shares

648.22K

Value

10.96M

Filed

Dec 31, 2025

7

VANGUARD CAPITAL MANAGEMENT LLC

CIK 2100119

Shares

515.07K

Value

3.49M

Filed

Jun 30, 2026

8

DIMENSIONAL FUND ADVISORS LP

CIK 354204

Shares

392.42K

Value

2.66M

Filed

Jun 30, 2026

9

GATE CITY CAPITAL MANAGEMENT, LLC

CIK 1705447

Shares

329.47K

Value

4.27M

Filed

Dec 31, 2023

10

MARSHALL WACE, LLP

CIK 1318757

Shares

301.92K

Value

2.04M

Filed

Jun 30, 2026

11

ACUITAS INVESTMENTS, LLC

CIK 1524828

Shares

252.16K

Value

2.61M

Filed

Sep 30, 2024

12

FIRST EAGLE INVESTMENT MANAGEMENT, LLC

CIK 1325447

Shares

240K

Value

2.93M

Filed

Mar 31, 2026

13

BLACKROCK, INC.

CIK 2012383

Shares

231.76K

Value

1.57M

Filed

Jun 30, 2026

14

EAGLE ASSET MANAGEMENT INC

CIK 790502

Shares

213.75K

Value

942.00

Filed

Sep 30, 2022

15

US BANCORP \DE\

CIK 36104

Shares

212.77K

Value

1.44M

Filed

Jun 30, 2026

16

FRANKLIN RESOURCES INC

CIK 38777

Shares

199.40K

Value

841.47K

Filed

Dec 31, 2022

17

SEI INVESTMENTS CO

CIK 350894

Shares

199.37K

Value

1.35M

Filed

Jun 30, 2026

18

G2 INVESTMENT PARTNERS MANAGEMENT LLC

CIK 1593404

Shares

192.29K

Value

1.93M

Filed

Dec 31, 2024

19

HILLSDALE INVESTMENT MANAGEMENT INC.

CIK 1368465

Shares

174.14K

Value

2.30M

Filed

Mar 31, 2024

20

GEODE CAPITAL MANAGEMENT, LLC

CIK 1214717

Shares

164.18K

Value

1.11M

Filed

Jun 30, 2026

Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.