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Equibles

ESSEX INVESTMENT MANAGEMENT CO LLC

Position in TTI — Tetra Technologies Inc

CIK 201772 BOSTON, MA
Back to TTI Full portfolio

Position in TTI

as of Jun 30, 2026 · filed Aug 6, 2026
Position Value
$8,395,609
+$1,800,286 QoQ
Shares Held
741,007
-4.3% QoQ
Ownership
0.500%
of shares outstanding
% of Portfolio
1.13%
of 13F equity value
Holder Rank
#47
of 242 holders
Holding Since
Jun 2022
17 quarters on record
Voting authority Sole 54% Shared 0% None 46%

Common Shares in TTI Over Time

Shares Held

Position Value (USD)

Position in Oil & Gas Equipment & Services

Energy · as of Jun 30, 2026

ESSEX INVESTMENT MANAGEMENT CO LLC holds $23,039,813 across 6 Oil & Gas Equipment & Services names. TTI ranks #1 (36.4% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 TTI
Tetra Technologies Inc
This page 		741,007 $8,395,609
2 OII
Oceaneering International Inc
 151,463 $6,137,280
3 FET
Forum Energy Technologies, Inc.
 66,611 $3,345,870
4 BKR
Baker Hughes Co
 54,375 $3,017,812
5 XPRO
Expro Ltd
 143,490 $2,119,347
6 SLB
Slb Limited/Nv
 514 $23,895

All Filings in TTI

Export CSV
17 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $8,395,609 741,007
2026-03-31 $6,595,323 774,099
2025-12-31 $7,124,882 760,393
2025-09-30 $4,467,198 776,904
2025-06-30 $2,526,078 751,809
2025-03-31 $2,544,366 757,252
2024-12-31 $2,726,717 761,653
2024-09-30 $2,711,942 874,820
2024-06-30 $3,018,791 872,483
2024-03-31 $3,312,373 747,714
2023-12-31 $3,327,538 736,181
2023-09-30 $5,059,754 793,065
2023-06-30 $2,716,644 803,741
2023-03-31 $1,511,406 570,342
2022-12-31 $1,691,306 488,817
2022-09-30 $1,766,305 492,007
2022-06-30 $1,348,947 332,253