13F Insight
DOSSIER · 13F Holders · Q2 2026
TTEK 2.25 08/15/28

TETRA TECH INC NEW

67 institutions still hold TETRA TECH INC NEW as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 88162GAB9·67 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$556M
visible holders
Holders
67
filers reporting
Concentration
12.97%
Weiss Asset Management LP #1
top holder share
AI Holders Summary · Q2 2026

67 institutions reported TTEK 2.25 08/15/28 in Q2 2026. Weiss Asset Management LP leads at 13.0% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
Weiss Asset Management LP
CIK 0001357550
$72M68.3M0.76%Q2 202602
ZAZOVE ASSOCIATES LLC
CIK 0001009012
$62M59.1M5.10%Q2 202603
ADVENT CAPITAL MANAGEMENT /DE/
CIK 0001097278
$57M53.8M1.28%Q2 202604
MACKAY SHIELDS LLC
CIK 0000061227
$56M52.4M2.02%Q3 202605
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$53M50.6M0.04%Q2 202606
Point72 Asset Management, L.P.
CIK 0001603466
$36M33.8M0.05%Q1 202607
TUDOR INVESTMENT CORP ET AL
CIK 0000923093
$32M30.1M0.06%Q1 202608
Alberta Investment Management Corp
CIK 0001463559· Sovereign
$26M25.0M0.15%Q2 202609
DeepCurrents Investment Group LLC
CIK 0001754535
$23M21.4M0.68%Q2 202610
ABSOLUTE INVESTMENT ADVISERS, LLC
CIK 0001316187
$19M17.7M1.72%Q3 202611
Squarepoint Ops LLC
CIK 0001642575
$18M18K0.02%Q2 202612
STATE STREET CORP
CIK 0000093751
$16M15.0M0.00%Q2 202613
Wellesley Asset Management
CIK 0001533551
$15M15.8M1.33%Q2 202614
BANK OF MONTREAL /CAN/
CIK 0000927971
$15M13.8M0.00%Q2 202615
BlackRock, Inc.
CIK 0002012383
$12M11.7M0.00%Q2 202616
FMR LLC
CIK 0000315066
$11M10.6M0.00%Q2 202617
READYSTATE ASSET MANAGEMENT LP
CIK 0001900923
$9M8.5M0.38%Q4 202518
SHENKMAN CAPITAL MANAGEMENT INC
CIK 0001275228
$9M8.4M1.28%Q2 202619
Nykredit A/S
CIK 0001847328
$8M7.6M0.03%Q2 202620
MIZUHO SECURITIES USA LLC
CIK 0000812291
$7M6.8M0.07%Q2 2026
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