Simplex Trading
GEOS icon

Simplex Trading’s Geospace Technologies GEOS Stock Holding History

Simplex 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
Q1 		$30.5K Buy
2,500
+1,100
+79% +$15.4K ﹤0.01% 6371
2025
Q4 		$23.7K Sell
1,400
-36,300
-96% -$729K ﹤0.01% 6320
2025
Q3 		$714K Buy
37,700
+32,100
+573% +$520K ﹤0.01% 3395
2025
Q2 		$79K Buy
5,600
+5,100
+1,020% +$38.1K ﹤0.01% 5458
2025
Q1 		$3K Buy
+500
New +$4.29K ﹤0.01% 7808
2024
Q4 		– Sell
-400
Closed -$4K – 8902
2024
Q3 		$4K Buy
400
+100
+33% +$956 ﹤0.01% 7716
2024
Q2 		$2K Sell
300
-300
-50% -$3.37K ﹤0.01% 8268
2024
Q1 		$7K Buy
+600
New +$8.05K ﹤0.01% 7824
2023
Q4 		– Sell
-700
Closed -$9K – 9155
2023
Q3 		$9K Sell
700
-2,400
-77% -$22.6K ﹤0.01% 7245
2023
Q2 		$24K Buy
+3,100
New +$24.6K ﹤0.01% 6579
2022
Q3 		– Sell
-3,800
Closed -$18K – 10244
2022
Q2 		$18K Buy
3,800
+500
+15% +$2.86K ﹤0.01% 7713
2022
Q1 		$18K Buy
+3,300
New +$21.8K ﹤0.01% 8354
2021
Q2 		– Sell
-53
Closed -$48K – 10253
2021
Q1 		$48K Buy
53
+43
+430% +$414 ﹤0.01% 6666
2020
Q4 		$8K Buy
+10
New +$68 ﹤0.01% 7521
2020
Q2 		– Sell
-2
Closed -$1K – 7847
2020
Q1 		$1K Sell
2
-31
-94% -$369 ﹤0.01% 7355
2019
Q4 		$55K Sell
33
-16
-33% -$243 ﹤0.01% 5104
2019
Q3 		$75K Sell
49
-14
-22% -$202 ﹤0.01% 4630
2019
Q2 		$95K Buy
+63
New +$867 ﹤0.01% 4240
2018
Q4 		– Sell
-12
Closed -$16K – 7274
2018
Q3 		$16K Sell
12
-65
-84% -$897 ﹤0.01% 6125
2018
Q2 		$108K Buy
+77
New +$892 ﹤0.01% 4205
2017
Q1 		– Sell
-48
Closed -$1K – 6354
2016
Q4 		$1K Buy
48
+28
+140% +$567 ﹤0.01% 5382
2016
Q3 		$5K Buy
+20
New +$346 ﹤0.01% 4266
2015
Q2 		– Sell
-78
Closed -$5K – 5394
2015
Q1 		$5K Buy
+78
New +$1.62K ﹤0.01% 3499

Other funds holding GEOS

DGI
Disciplined Growth Investors Minneapolis, Minnesota $4.89B AUM 33.85% 1-Year Est. Return
TCM
Tieton Capital Management Yakima, Washington $299M AUM 54.55% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
GWI
Grace & White Inc Ny, New York $632M AUM 34.34% 1-Year Est. Return
SEI Investments
SEI Investments Oaks, Pennsylvania $108B AUM 26.14% 1-Year Est. Return
First Eagle Investment Management
First Eagle Investment Management New York $59B AUM 32.99% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
MC
Moors & Cabot Boston, Massachusetts $2.34B AUM 30.42% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return

Simplex Trading's GEOS Position: Q1 2026 in Review

Simplex Trading reduced its Geospace Technologies (GEOS) stake by 80% in Q1 2026, selling an estimated $22.4K and leaving 396 shares worth $4.83K. The position accounts for ﹤0.01% of the portfolio, ranked #7915.

Simplex Trading first reported a position in GEOS in Q4 2014 and has held it in 24 quarters since. The position peaked at $115K in Q4 2019. 86 funds tracked by Wall St. Rank hold GEOS as of Q1 2026.

  • Simplex Trading held 396 shares of Geospace Technologies worth $4.83K as of Q1 2026.
  • Simplex Trading sold 1,605 Geospace Technologies shares in Q1 2026, an estimated $22.4K.
  • Geospace Technologies made up ﹤0.01% of Simplex Trading's portfolio in Q1 2026, its #7915 holding.
  • Simplex Trading first reported a position in Geospace Technologies in Q4 2014 and has held it in 24 quarters since.
  • Simplex Trading's Geospace Technologies position peaked at $115K in Q4 2019.
  • 86 funds tracked by Wall St. Rank held Geospace Technologies as of Q1 2026.

Based on Simplex Trading's 13F filing for Q1 2026, filed 14 May 2026.