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Northern Trust increased CTMX position by 25,493 shares

Mar 28, 2026Last updated Jul 9, 2026

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

+25,493 Share Change

415,178 Current Shares

$1.8B Current Value

0.00% Portfolio %

+6.5% Change %

Position Change Detail

Issuer CYTOMX THERAPEUTICS INC

Ticker CTMX

Shares 389,685 → 415,178 +25,493

Value $1.2B → $1.8B

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 CTMX This Period

Manager	Change Type	Share Change
State Street	Increased	+4,495,949
Renaissance Tech	Exited	2,545,260
Point72	Increased	+1,120,963
Millennium	Decreased	1,097,210
Two Sigma	Increased	+831,057
Acadian	Increased	+202,331
Marshall Wace	Decreased	177,426
Hudson Bay	New	+50,990
Balyasny	Decreased	40,879
Geode Capital	Increased	+19,006

View all sentiment, news, and whale activity for CTMX (CYTOMX THERAPEUTICS 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