EIM
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Essex Investment Management’s Geospace Technologies GEOS Stock Holding History

Essex Investment 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
Q1 		$166K Hold
13,636
– – 0.03% 211
2025
Q4 		$231K Hold
13,636
– – 0.04% 196
2025
Q3 		$259K Hold
13,636
– – 0.04% 190
2025
Q2 		$194K Sell
13,636
-5,853
-30% -$43.7K 0.04% 197
2025
Q1 		$141K Sell
19,489
-8
-0% -$69 0.03% 203
2024
Q4 		$195K Sell
19,497
-2,257
-10% -$25.1K 0.04% 190
2024
Q3 		$225K Hold
21,754
– – 0.04% 184
2024
Q2 		$195K Sell
21,754
-41,243
-65% -$464K 0.04% 190
2024
Q1 		$831K Hold
62,997
– – 0.16% 150
2023
Q4 		$816K Sell
62,997
-25,160
-29% -$308K 0.16% 157
2023
Q3 		$1.14M Sell
88,157
-2,836
-3% -$26.8K 0.19% 174
2023
Q2 		$707K Buy
90,993
+2,456
+3% +$19.5K 0.1% 238
2023
Q1 		$624K Hold
88,537
– – 0.09% 243
2022
Q4 		$374K Buy
88,537
+1
+0% +$4 0.06% 257
2022
Q3 		$390K Sell
88,536
-5,898
-6% -$27.7K 0.06% 250
2022
Q2 		$448K Buy
+94,434
New +$539K 0.07% 255
2014
Q1 		– Sell
-5,000
Closed -$473K – 355
2013
Q4 		$473K Buy
+5,000
New +$460K 0.07% 275

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

Essex Investment Management's GEOS Position: Q1 2026 in Review

Essex Investment Management held its Geospace Technologies (GEOS) position steady in Q1 2026 at 13,636 shares worth $166K. The position accounts for 0.03% of the portfolio, ranked #211.

Essex Investment Management first reported a position in GEOS in Q4 2013 and has held it in 17 quarters since. The position peaked at $1.14M in Q3 2023. 86 funds tracked by Wall St. Rank hold GEOS as of Q1 2026.

  • Essex Investment Management held 13,636 shares of Geospace Technologies worth $166K as of Q1 2026.
  • Essex Investment Management left its Geospace Technologies share count unchanged in Q1 2026.
  • Geospace Technologies made up 0.03% of Essex Investment Management's portfolio in Q1 2026, its #211 holding.
  • Essex Investment Management first reported a position in Geospace Technologies in Q4 2013 and has held it in 17 quarters since.
  • Essex Investment Management's Geospace Technologies position peaked at $1.14M in Q3 2023.
  • 86 funds tracked by Wall St. Rank held Geospace Technologies as of Q1 2026.

Based on Essex Investment Management's 13F filing for Q1 2026, filed 11 May 2026.