GEOSPACE TECHNOLOGIES CORP (GEOS) Institutional Ownership Changes & 13F Activity

GEOSPACE TECHNOLOGIES CORP (GEOS). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Sei Investments Co, Susquehanna International Group, Llp, Marshall Wace, Llp, Vanguard Capital Management Llc, and Renaissance Technologies LLC.

InstitutionTypeChange in sharesChange Position %SharesReported stock balancePortfolio quarterFiling date
Citadel Advisors LlcBuy+25,300+77.3%58,018$392.78KQ2 2026Sep 02, 2026
Kingsview Wealth Management, LlcBuy+2,961+10.5%31,283$211.79KQ2 2026Aug 19, 2026
Transamerica Financial Advisors, LlcBuy+2727$182.00Q2 2026Aug 17, 2026
Sei Investments CoSell-211,541-51.5%199,365$1.35MQ2 2026Aug 14, 2026
Susquehanna International Group, LlpSell-113,366-77.4%33,029$223.61KQ2 2026Aug 14, 2026
Jacobs Levy Equity Management, IncBuy+35,57335,573$240.83KQ2 2026Aug 14, 2026
Hrt Financial LpBuy+30,65630,656$207.00KQ2 2026Aug 14, 2026
Goldman Sachs Group IncBuy+25,80025,800$174.67KQ2 2026Aug 14, 2026
Jane Street Group, LlcBuy+21,27121,271$144.00KQ2 2026Aug 14, 2026
Xtx Topco LtdBuy+13,43513,435$90.95KQ2 2026Aug 14, 2026
Invesco Ltd.Buy+12,68012,680$85.84KQ2 2026Aug 14, 2026
Two Sigma Investments, LpBuy+8,277+11.2%82,184$556.39KQ2 2026Aug 14, 2026
Wells Fargo & Company/MnBuy+2,270+22.3%12,448$84.27KQ2 2026Aug 14, 2026
Group One Trading LlcSell-1,500-58.3%1,075$7.28KQ2 2026Aug 14, 2026
Bridgeway Capital Management, LlcBuy+900+1.1%79,693$539.52KQ2 2026Aug 14, 2026
Mcguire Capital Advisors IncBuy+750750$5.08KQ2 2026Aug 14, 2026
Nemes Rush Group LlcBuy+280280$1.90KQ2 2026Aug 14, 2026
Osaic Holdings, Inc.Sell-266-16.2%1,377$9.32KQ2 2026Aug 14, 2026
Ironwood Investment Management LlcBuy+237+0.7%36,279$245.61KQ2 2026Aug 14, 2026
Royal Bank Of CanadaSell-109-23.4%357$2.00KQ2 2026Aug 14, 2026
Marshall Wace, LlpBuy+113,110+59.9%301,916$2.04MQ2 2026Aug 13, 2026
Vanguard Capital Management LlcSell-61,965-10.7%515,067$3.49MQ2 2026Aug 13, 2026
Renaissance Technologies LLCBuy+44,29944,299$299.90KQ2 2026Aug 13, 2026
Acadian Asset Management LlcBuy+42,71342,713$286.00KQ2 2026Aug 13, 2026
Bnp Paribas Financial MarketsSell-23,366-99.7%76$515.00Q2 2026Aug 13, 2026
Northern Trust CorpSell-11,879-29.3%28,717$194.41KQ2 2026Aug 13, 2026
Ubs Group AgBuy+5,935+423.6%7,336$49.66KQ2 2026Aug 13, 2026
Morgan StanleySell-1,263-7.6%15,255$103.28KQ2 2026Aug 13, 2026
Vanguard Fiduciary Trust CoBuy+521+0.7%76,586$518.49KQ2 2026Aug 13, 2026
Fmr LlcBuy+85+7.7%1,194$8.08KQ2 2026Aug 13, 2026
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Frequently asked questions about GEOS activity

  • Which institutional owners are buying GEOS?

    Institutional owners buying GEOS include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in GEOS activity?

    "Buy" means an investor increased their reported position in GEOS compared to the prior reporting period. This reflects growing exposure to GEOSPACE TECHNOLOGIES CORP (GEOS) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in GEOS increasing?

    Institutional interest in GEOS can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.