ESSEX INVESTMENT MANAGEMENT CO LLC
Position in GEOS — Geospace Technologies Corp
CIK 201772
BOSTON, MA
Position in GEOS
as of Mar 31, 2026
· filed May 11, 2026
Position Value
$166,359
-$64,225 QoQ
Shares Held
13,636
0.0% QoQ
Ownership
0.105%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2022
16 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in GEOS Over Time
Shares Held
Position Value (USD)
Position in Oil & Gas Equipment & Services
Energy · as of Mar 31, 2026ESSEX INVESTMENT MANAGEMENT CO LLC holds $9,148,634 across 4 Oil & Gas Equipment & Services names. GEOS ranks #3 (1.8% of the industry book) .
All Filings in GEOS
Export CSV
16 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $166,359 | 13,636 | Shares | Sole | 2026-05-11 | |
| 2025-12-31 | $230,584 | 13,636 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $258,538 | 13,636 | Shares | Sole | 2025-11-06 | |
| 2025-06-30 | $194,449 | 13,636 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $140,515 | 19,489 | Shares | Sole | 2025-05-07 | |
| 2024-12-31 | $195,359 | 19,497 | Shares | Sole | 2025-02-07 | |
| 2024-09-30 | $224,936 | 21,754 | Shares | Sole | 2024-10-10 | |
| 2024-06-30 | $195,350 | 21,754 | Shares | Sole | 2024-08-12 | |
| 2024-03-31 | $830,930 | 62,997 | Shares | Sole | 2024-05-03 | |
| 2023-12-31 | $816,441 | 62,997 | Shares | Sole | 2024-02-08 | |
| 2023-09-30 | $1,141,633 | 88,157 | Shares | Sole | 2023-11-09 | |
| 2023-06-30 | $707,015 | 90,993 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $624,185 | 88,537 | Shares | Sole | 2023-05-04 | |
| 2022-12-31 | $373,626 | 88,537 | Shares | Sole | 2023-02-03 | |
| 2022-09-30 | $390,443 | 88,536 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $447,617 | 94,434 | Shares | Sole | 2022-08-12 | |
| No filing history on record for this holder in this stock. | ||||||