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Northern Trust increased ALGM position by 38,017 shares

Mar 28, 2026Last updated Jul 9, 2026

This StonkWhisper whale intelligence report documents significant institutional position changes in $ALGM 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 INCREASED

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

+38,017 Share Change

38,418 Current Shares

$1.0B Current Value

0.00% Portfolio %

+9480.6% Change %

Position Change Detail

Issuer ALLEGRO MICROSYSTEMS INC

Ticker ALGM

Shares 401 → 38,418 +38,017

Value $11.7M → $1.0B

Portfolio Weight 0.00%

Change Type Increased

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 ALGM This Period

Manager	Change Type	Share Change
Capital Research	Decreased	3,713,430
Millennium	Increased	+1,281,539
Adage Capital	Increased	+1,227,317
Point72	Decreased	970,600
Schonfeld	Increased	+674,359
Renaissance Tech	New	+436,200
Invesco	Increased	+418,053
Balyasny	Increased	+311,655
Two Sigma	Increased	+149,577
Neuberger Berman (Eisman)	Decreased	129,823

View all sentiment, news, and whale activity for ALGM (ALLEGRO MICROSYSTEMS INC).

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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