Who Owns GEOSPACE (GEOS)? -- Institutional Holders (2026-06-30)

101 institutions reported holding $36.2M of GEOSPACE (GEOS) in SEC 13F filings for 2026-06-30. Largest institutional holders: Tieton Capital Management, LLC ($6.1M), GRACE & WHITE INC /NY ($4.6M), VANGUARD GROUP INC ($4.0M), DIMENSIONAL FUND ADVISORS LP ($2.7M), MARSHALL WACE, LLP ($2.0M). Source: SEC Form 13F.

RankInstitutionValueSharesChange
1Tieton Capital Management, LLC$6.1M907,265Trimmed
2GRACE & WHITE INC /NY$4.6M673,236Added
3VANGUARD GROUP INC$4.0M596,679Trimmed
4DIMENSIONAL FUND ADVISORS LP$2.7M392,423Trimmed
5MARSHALL WACE, LLP$2.0M301,916Added
6BlackRock, Inc.$1.6M231,765Added
7US BANCORP \DE\$1.4M212,766Added
8SEI INVESTMENTS CO$1.3M199,365Trimmed
9GEODE CAPITAL MANAGEMENT, LLC$1.1M164,180Added
10STATE STREET CORP$1.1M163,075Added
11De Lisle Partners LLP$998,297147,133Hold
12ROBOTTI ROBERT$869,512128,436New
13CITADEL ADVISORS LLC$710,295104,918Added
14SUSQUEHANNA INTERNATIONAL GROUP, LLP$590,54087,229Trimmed
15TWO SIGMA INVESTMENTS, LP$556,38682,184Added
16BRIDGEWAY CAPITAL MANAGEMENT, LLC$539,52279,693Added
17Glenorchy Capital Ltd$463,66668,488Trimmed
18JANE STREET GROUP, LLC$452,04066,771New
19IMC-Chicago, LLC$418,60361,832Added
20EagleClaw Capital Managment, LLC$338,60250,015Trimmed
21RENAISSANCE TECHNOLOGIES LLC$299,90444,299New
22ACADIAN ASSET MANAGEMENT LLC$286,00042,713New
23IRONWOOD INVESTMENT MANAGEMENT LLC$245,60936,279Added
24JACOBS LEVY EQUITY MANAGEMENT, INC$240,82935,573New
25Kingsview Wealth Management, LLC$211,78631,283Added

Source: SEC Form 13F filings · as of 2026-06-30