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State Street increased CMCSA position by 6,117,946 shares

Mar 28, 2026Last updated Jul 9, 2026

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

STATE STREET CORP AUM: $2896.4B INCREASED

AUM: $2896.4B · 4,269 holdings · Period: 2025-12-31

+6,117,946 Share Change

186,805,081 Current Shares

$5583.6B Current Value

0.19% Portfolio %

+3.4% Change %

Position Change Detail

Issuer COMCAST CORP NEW

Ticker CMCSA

Shares 180,687,135 → 186,805,081 +6,117,946

Value $5677.2B → $5583.6B

Portfolio Weight 0.19%

Change Type Increased

Period of Report 2025-12-31

Other State Street Positions This Period

Ticker	Issuer	Change Type	Share Change	Value
NFLX	NETFLIX INC	Increased	+159,578,053	$16575.0B
NOW	SERVICENOW INC	Increased	+38,441,898	$7337.3B
IPG	INTERPUBLIC GROUP COS INC	Exited	32,109,386	—
WBD	WARNER BROS DISCOVERY INC	Decreased	27,262,597	$3777.3B
LXPUSD	LXP INDUSTRIAL TRUST	Exited	17,125,451	—
RKT	ROCKET COS INC	Increased	+15,807,776	$400.5B
KEL	KELLANOVA	Exited	13,425,912	—
HN9	HANESBRANDS INC	Exited	13,417,876	—
NVDA	NVIDIA CORPORATION	Increased	+11,451,386	$184911.1B
NNDM	NANO DIMENSION LTD	Increased	+9,926,849	$16.0B

Other Whales Moving CMCSA This Period

Manager	Change Type	Share Change
Capital World	Increased	+24,166,881
Capital Research	Increased	+21,958,603
ClearBridge	Increased	+18,258,119
Arrowstreet	Decreased	6,954,912
AQR Capital	Decreased	6,941,888
Hotchkis & Wiley	Increased	+6,893,600
Two Sigma	Exited	6,556,098
Harris (Oakmark)	Increased	+5,400,310
Bridgewater	Decreased	3,349,613
DE Shaw	Decreased	2,982,940

View all sentiment, news, and whale activity for CMCSA (COMCAST CORP 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