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Northern Trust decreased TTEK position by 88,327 shares

Mar 28, 2026Last updated Jul 9, 2026

This StonkWhisper whale intelligence report documents significant institutional position changes in $TTEK based on SEC 13F filings and block-level trading data. Quarterly 13F disclosures are required for institutional investment managers with at least $100 million in qualifying assets under management. These filings reveal long positions in U.S. equities held as of quarter end. Material changes in institutional positioning — particularly from concentrated funds with a history of high-conviction bets — are tracked by StonkWhisper as leading indicators of institutional thesis formation or exit.

NORTHERN TRUST CORP AUM: $756.6B DECREASED

AUM: $756.6B · 19,864 holdings · Period: 2025-12-31

88,327 Share Change

6,185 Current Shares

$207.4M Current Value

— Portfolio %

-93.5% Change %

Position Change Detail

Issuer TETRA TECH INC NEW

Ticker TTEK

Shares 94,512 → 6,185 88,327

Value $3.2B → $207.4M

Portfolio Weight —

Change Type Decreased

Period of Report 2025-12-31

Other Northern Trust Positions This Period

Ticker	Issuer	Change Type	Share Change	Value
MYPS	PLAYSTUDIOS INC	Increased	+637,598	$427.6M
TMCI	TREACE MED CONCEPTS INC	Increased	+365,608	$921.1M
GDRX	GOODRX HLDGS INC	Increased	+355,900	$976.0M
CMCSA	COMCAST CORP NEW	Increased	+282,732	$18.7B
INTC	INTEL CORP	Decreased	265,122	$50.0B
VT	VANGUARD INTL EQUITY INDEX F	Decreased	255,438	$176.0B
RC	READY CAPITAL CORP	Increased	+231,035	$511.8M
XLK	SELECT SECTOR SPDR TR	Increased	+213,137	$60.6B
EWCZ	EUROPEAN WAX CTR INC	Increased	+205,254	$757.8M
BAC	VERIZON COMMUNICATIONS INC	Increased	+204,738	$27.8B

Other Whales Moving TTEK This Period

Manager	Change Type	Share Change
AQR Capital	Increased	+2,849,747
State Street	Decreased	1,868,482
BlackRock	Decreased	910,256
Millennium	Decreased	765,697
Segall Bryant	Decreased	650,965
DE Shaw	Increased	+644,064
Tudor	Increased	+548,581
Arrowstreet	Increased	+272,496
Invesco	Increased	+263,084
ExodusPoint	Exited	186,069

View all sentiment, news, and whale activity for TTEK (TETRA TECH INC NEW).

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Data sourced from SEC 13F institutional holdings filings. This page does not constitute financial advice. StonkWhisper presents public records — it does not verify or guarantee the accuracy of institutional filings. 13F filings are reported quarterly and may lag actual positions.

Last updated: July 09, 2026 at 06:00 UTC