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Who owns Geospace Technologies (GEOS) stock

74 funds reported Geospace Technologies (GEOS) shares in their latest 13F filings, worth $38.7M in all. The largest holder is Vanguard Group ($11.0M). Last quarter 34 funds added to their stakes and 39 cut them.

Largest holders of GEOS (13F)Largest holders of GEOS (13F)Vanguard Group$11.0MGrace & White$3.9MVanguard Capital Management LLC$3.5MDimensional Fund Advisors LP$2.7MMarshall Wace, LLP$2.0MBlackRock$1.6MUS Bancorp$1.4MSEI Investments$1.3MGeode Capital Management, LLC$1.1MState Street$1.1M

Largest holders (13F)

FundSharesValueChangeQuarter
Vanguard Group648,222$11.0Mincrease2025-12-31
Grace & White793,498$3.9Mincrease2026-09-30
Vanguard Capital Management LLC515,067$3.5Mdecrease2026-06-30
Dimensional Fund Advisors LP392,423$2.7Mdecrease2026-06-30
Marshall Wace, LLP301,916$2.0Mincrease2026-06-30
BlackRock231,765$1.6Mincrease2026-06-30
US Bancorp212,766$1.4Mincrease2026-06-30
SEI Investments199,365$1.3Mdecrease2026-06-30
Geode Capital Management, LLC164,180$1.1Mincrease2026-06-30
State Street163,075$1.1Mincrease2026-06-30
De Lisle Partners LLP147,133$998Kunchanged2026-06-30
Robotti Robert128,436$870Knew2026-06-30
Two Sigma Investments, LP82,184$556Kincrease2026-06-30
Bridgeway Capital Management, LLC79,693$540Kincrease2026-06-30
Vanguard Fiduciary Trust76,586$518Kincrease2026-06-30

Geospace Technologies' latest quarter

Geospace Technologies, Q3 FY26: revenue $15.8M (-36% year over year), operating margin -64.1%, net loss $9.7M, operating cash flow −$10.7M. The chart follows the revenue to costs, profit and cash.

Questions

Who owns the most GEOS stock?

By the latest 13F filings: Vanguard Group ($11.0M); Grace & White ($3.9M); Vanguard Capital Management LLC ($3.5M); Dimensional Fund Advisors LP ($2.7M); Marshall Wace, LLP ($2.0M).

What is the short interest in GEOS?

318,326 shares were sold short at the 2026-10-15 settlement, -20.44% of the float.

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Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.