Acadian Asset Management
GEOS icon

Acadian Asset Management’s Geospace Technologies GEOS Stock Holding History

Acadian Asset Management’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 		$286K Buy
+42,713
New +$368K ﹤0.01% 1575
2026
Q1 		– Sell
-22,058
Closed -$372K – 2096
2025
Q4 		$372K Buy
22,058
+7,916
+56% +$159K ﹤0.01% 1389
2025
Q3 		$268K Sell
14,142
-1,951
-12% -$31.6K ﹤0.01% 1350
2025
Q2 		$229K Sell
16,093
-26,853
-63% -$200K ﹤0.01% 1284
2025
Q1 		$309K Sell
42,946
-38,103
-47% -$327K ﹤0.01% 1175
2024
Q4 		$811K Sell
81,049
-60,514
-43% -$674K ﹤0.01% 964
2024
Q3 		$1.46M Sell
141,563
-84,803
-37% -$811K ﹤0.01% 831
2024
Q2 		$2.03M Buy
226,366
+34,762
+18% +$391K 0.01% 761
2024
Q1 		$2.52M Buy
191,604
+19,660
+11% +$264K 0.01% 608
2023
Q4 		$2.23M Buy
171,944
+79,089
+85% +$967K 0.01% 645
2023
Q3 		$1.2M Buy
92,855
+19,764
+27% +$187K 0.01% 822
2023
Q2 		$567K Buy
73,091
+22,990
+46% +$183K ﹤0.01% 1025
2023
Q1 		$352K Buy
50,101
+30,114
+151% +$167K ﹤0.01% 1133
2022
Q4 		$83K Hold
19,987
– – ﹤0.01% 1475
2022
Q3 		$87K Sell
19,987
-9,459
-32% -$44.4K ﹤0.01% 1399
2022
Q2 		$139K Buy
29,446
+14,840
+102% +$84.8K ﹤0.01% 1282
2022
Q1 		$83K Sell
14,606
-5,021
-26% -$33.1K ﹤0.01% 1401
2021
Q4 		$130K Sell
19,627
-1,654
-8% -$14.4K ﹤0.01% 1326
2021
Q3 		$201K Sell
21,281
-4,649
-18% -$42.9K ﹤0.01% 1292
2021
Q2 		$209K Buy
25,930
+6,794
+36% +$55.9K ﹤0.01% 1429
2021
Q1 		$175K Buy
+19,136
New +$184K ﹤0.01% 1537
2018
Q1 		– Sell
-3,729
Closed -$48K – 1722
2017
Q4 		$48K Sell
3,729
-18,654
-83% -$288K ﹤0.01% 1231
2017
Q3 		$399K Buy
+22,383
New +$340K ﹤0.01% 814

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

Acadian Asset Management's GEOS Position: Q2 2026 in Review

Acadian Asset Management opened a new position in Geospace Technologies (GEOS) in Q2 2026: 42,713 shares worth $286K. The stake represents ﹤0.01% of the portfolio and ranks #1575 among its holdings. This is a return to the name: Acadian Asset Management previously reported a position in GEOS as recently as Q4 2025.

Acadian Asset Management first reported a position in GEOS in Q3 2017 and has held it in 23 quarters since. The position peaked at $2.52M in Q1 2024. 83 funds tracked by Wall St. Rank hold GEOS as of Q2 2026.

  • Acadian Asset Management held 42,713 shares of Geospace Technologies worth $286K as of Q2 2026.
  • Geospace Technologies was a new Acadian Asset Management position in Q2 2026.
  • Geospace Technologies made up ﹤0.01% of Acadian Asset Management's portfolio in Q2 2026, its #1575 holding.
  • Acadian Asset Management first reported a position in Geospace Technologies in Q3 2017 and has held it in 23 quarters since.
  • Acadian Asset Management's Geospace Technologies position peaked at $2.52M in Q1 2024.
  • 83 funds tracked by Wall St. Rank held Geospace Technologies as of Q2 2026.

Based on Acadian Asset Management's 13F filing for Q2 2026, filed 13 Aug 2026.