Group One Trading
GEOS icon

Group One Trading’s Geospace Technologies GEOS Stock Holding History

Group One Trading’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 		$10.2K Buy
1,500
+1,400
+1,400% +$12.1K ﹤0.01% 6387
2026
Q1 		$1.22K Sell
100
-400
-80% -$5.59K ﹤0.01% 7182
2025
Q4 		$8.46K Buy
500
+400
+400% +$8.03K ﹤0.01% 6906
2025
Q3 		$1.9K Sell
100
-100
-50% -$1.62K ﹤0.01% 7912
2025
Q2 		$2.85K Buy
+200
New +$1.49K ﹤0.01% 7298
2024
Q4 		– Sell
-1,000
Closed -$10.3K – 7495
2024
Q3 		$10.3K Hold
1,000
– – ﹤0.01% 5586
2024
Q2 		$8.98K Sell
1,000
-2,200
-69% -$24.7K ﹤0.01% 5683
2024
Q1 		$42.2K Buy
+3,200
New +$43K ﹤0.01% 4853
2015
Q3 		– Sell
-200
Closed -$5K – 4962
2015
Q2 		$5K Hold
200
– – ﹤0.01% 4490
2015
Q1 		$3K Sell
200
-9,800
-98% -$204K ﹤0.01% 4482
2014
Q4 		$265K Buy
10,000
+5,800
+138% +$168K ﹤0.01% 2068
2014
Q3 		$148K Buy
+4,200
New +$176K ﹤0.01% 2639
2013
Q3 		– Sell
-100
Closed -$7K – 5346
2013
Q2 		$7K Buy
+100
New +$8.34K ﹤0.01% 4568

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
Vanguard Capital Management
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

Group One Trading's GEOS Position: Q2 2026 in Review

Group One Trading reduced its Geospace Technologies (GEOS) stake by 58% in Q2 2026, selling an estimated $12.9K and leaving 1,075 shares worth $7.28K. The position accounts for ﹤0.01% of the portfolio, ranked #6573.

Group One Trading first reported a position in GEOS in Q2 2013 and has held it in 13 quarters since. The position peaked at $167K in Q4 2014. 82 funds tracked by Wall St. Rank hold GEOS as of Q2 2026.

  • Group One Trading held 1,075 shares of Geospace Technologies worth $7.28K as of Q2 2026.
  • Group One Trading sold 1,500 Geospace Technologies shares in Q2 2026, an estimated $12.9K.
  • Geospace Technologies made up ﹤0.01% of Group One Trading's portfolio in Q2 2026, its #6573 holding.
  • Group One Trading first reported a position in Geospace Technologies in Q2 2013 and has held it in 13 quarters since.
  • Group One Trading's Geospace Technologies position peaked at $167K in Q4 2014.
  • 82 funds tracked by Wall St. Rank held Geospace Technologies as of Q2 2026.

Based on Group One Trading's 13F filing for Q2 2026, filed 14 Aug 2026.