Jane Street
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Jane Street’s Geospace Technologies GEOS Stock Holding History

Jane Street’s Portfolio GEOS Stock Details GEOS Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$179K Buy
+26,500
New +$228K ﹤0.01% 10211
2025
Q3 		– Sell
-10,100
Closed -$144K – 11106
2025
Q2 		$144K Buy
+10,100
New +$75.4K ﹤0.01% 8784

Other funds holding GEOS

TCM
Tieton Capital Management Yakima, Washington $348M AUM 45.13% 1-Year Est. Return
GWI
Grace & White Inc Ny, New York $632M AUM 34.34% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $127B AUM 46.06% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
US Bancorp
US Bancorp Minneapolis, Minnesota $91.6B AUM 29.2% 1-Year Est. Return
SEI Investments
SEI Investments Oaks, Pennsylvania $113B AUM 34.64% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Jane Street's GEOS Position: Q2 2026 in Review

Jane Street opened a new position in Geospace Technologies (GEOS) in Q2 2026: 21,271 shares worth $144K. The stake represents ﹤0.01% of the portfolio and ranks #10379 among its holdings. This is a return to the name: Jane Street previously reported a position in GEOS as recently as Q4 2025.

Jane Street first reported a position in GEOS in Q1 2014 and has held it in 9 quarters since. The position peaked at $1.67M in Q1 2024. 78 funds tracked by Wall St. Rank hold GEOS as of Q2 2026.

  • Jane Street held 21,271 shares of Geospace Technologies worth $144K as of Q2 2026.
  • Geospace Technologies was a new Jane Street position in Q2 2026.
  • Geospace Technologies made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #10379 holding.
  • Jane Street first reported a position in Geospace Technologies in Q1 2014 and has held it in 9 quarters since.
  • Jane Street's Geospace Technologies position peaked at $1.67M in Q1 2024.
  • 78 funds tracked by Wall St. Rank held Geospace Technologies as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.