Stock Ownership/TTEK

TETRA TECH INC NEW (TTEK): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in TTEK · Industrials. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
22
13F filers
Aggregate Value
$441.6M
Across holders
Last Price
$36.86
2026-08-24
Sector
Industrials
GICS
Quarterly fund activity14 increased8 reduced5 exited
Full exits: RENAISSANCE TECHNOLOGIES LLC, Lighthouse Investment Partners, LLC, Schonfeld Strategic Advisors LLC, SANDS CAPITAL MANAGEMENT, LLC, Ancora Advisors, LLC
Institutional Holders of TTEK
↗
22 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 0001164508
Hedge Fund4.39M$126.9M28.7%0.1%Added+$111.2MQ2 2026
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
Hedge Fund4.11M$117.1M26.5%0.0%Added+$117.1MQ2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund1.29M$37.2M8.4%0.0%Reduced$-58.1MQ2 2026
Point72 Asset Management, L.P.
CIK 0001603466
Hedge Fund1.01M$29.2M6.6%0.0%Added+$13.5MQ2 2026
Gotham Asset Management, LLC
CIK 0001510387
Hedge Fund709K$20.5M4.6%0.0%Added+$14.8MQ2 2026
Fisher Asset Management, LLC
CIK 0000850529
Institutional Manager648K$18.7M4.2%0.0%Added+$1.0MQ2 2026
Squarepoint Ops LLC
CIK 0001642575
Hedge Fund642K$18.5M4.2%0.0%Added+$6.5MQ2 2026
Bridgewater Associates, LP
CIK 0001350694
Hedge Fund608K$17.6M4.0%0.1%Added+$11.4MQ2 2026
BALYASNY ASSET MANAGEMENT LLC
CIK 0001218710
Hedge Fund457K$13.2M3.0%0.0%Added+$640KQ2 2026
VOLORIDGE INVESTMENT MANAGEMENT, LLC
CIK 0001556921
Hedge Fund420K$12.1M2.7%0.1%Added+$1.8MQ2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPAdded
Hedge Fund
$126.9M· 28.7% of total· 0.1% port· 4.39M sh· +$111.2M QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCAdded
Hedge Fund
$117.1M· 26.5% of total· 0.0% port· 4.11M sh· +$117.1M QoQ· Q2 2026
CITADEL ADVISORS LLCReduced
Hedge Fund
$37.2M· 8.4% of total· 0.0% port· 1.29M sh· $-58.1M QoQ· Q2 2026
Point72 Asset Management, L.P.Added
Hedge Fund
$29.2M· 6.6% of total· 0.0% port· 1.01M sh· +$13.5M QoQ· Q2 2026
Gotham Asset Management, LLCAdded
Hedge Fund
$20.5M· 4.6% of total· 0.0% port· 709K sh· +$14.8M QoQ· Q2 2026
Fisher Asset Management, LLCAdded
Institutional Manager
$18.7M· 4.2% of total· 0.0% port· 648K sh· +$1.0M QoQ· Q2 2026
Squarepoint Ops LLCAdded
Hedge Fund
$18.5M· 4.2% of total· 0.0% port· 642K sh· +$6.5M QoQ· Q2 2026
Bridgewater Associates, LPAdded
Hedge Fund
$17.6M· 4.0% of total· 0.1% port· 608K sh· +$11.4M QoQ· Q2 2026
BALYASNY ASSET MANAGEMENT LLCAdded
Hedge Fund
$13.2M· 3.0% of total· 0.0% port· 457K sh· +$640K QoQ· Q2 2026
VOLORIDGE INVESTMENT MANAGEMENT, LLCAdded
Hedge Fund
$12.1M· 2.7% of total· 0.1% port· 420K sh· +$1.8M QoQ· Q2 2026
Man Group plcAdded
Hedge Fund
$8.1M· 1.8% of total· 0.0% port· 279K sh· +$2.2M QoQ· Q2 2026
Rockefeller Capital Management L.P.Reduced
Hedge Fund
$6.5M· 1.5% of total· 0.0% port· 224K sh· +$4.6M QoQ· Q2 2026
Holocene Advisors, LPAdded
Hedge Fund
$4.7M· 1.1% of total· 0.0% port· 162K sh· — QoQ· Q2 2026
TWO SIGMA INVESTMENTS, LPReduced
Hedge Fund
$4.5M· 1.0% of total· 0.0% port· 154K sh· $-849K QoQ· Q2 2026
HBK INVESTMENTS L PReduced
Hedge Fund
$2.5M· 0.6% of total· 0.0% port· 88K sh· $-4.4M QoQ· Q2 2026
Brevan Howard Capital Management LPAdded
Hedge Fund
$1.4M· 0.3% of total· 0.0% port· 48K sh· +$1.1M QoQ· Q2 2026
MARSHALL WACE, LLPReduced
Hedge Fund
$1.0M· 0.2% of total· 0.0% port· 35K sh· $-4.2M QoQ· Q2 2026
CAXTON ASSOCIATES LLPReduced
Hedge Fund
$863K· 0.2% of total· 0.0% port· 30K sh· $-3.1M QoQ· Q2 2026
FRED ALGER MANAGEMENT, LLCAdded
Hedge Fund
$432K· 0.1% of total· 0.0% port· 15K sh· +$79K QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCReduced
Hedge Fund
$332K· 0.1% of total· 0.0% port· 11K sh· $-7.4M QoQ· Q2 2026
SHAW D E & CO INCAdded
Hedge Fund
$239K· 0.1% of total· 0.0% port· 8K sh· — QoQ· Q2 2026
BAILLIE GIFFORD & COReduced
Institutional Manager
$32K· 0.0% of total· 0.0% port· 1K sh· $-1.3M QoQ· Q2 2026
1–10 of 22
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