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Dodge & Cox increased REGN position by 45,513 shares

Mar 28, 2026Last updated Jul 9, 2026

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

Dodge & Cox AUM: $182.0B INCREASED

AUM: $182.0B · 222 holdings · Period: 2025-12-31

+45,513 Share Change

4,596,358 Current Shares

$3547.8B Current Value

1.92% Portfolio %

+1.0% Change %

Position Change Detail

Issuer Regeneron Pharmaceuticals, Inc.

Ticker REGN

Shares 4,550,845 → 4,596,358 +45,513

Value $2558.8B → $3547.8B

Portfolio Weight 1.92%

Change Type Increased

Period of Report 2025-12-31

Other Dodge & Cox Positions This Period

Ticker	Issuer	Change Type	Share Change	Value
TLV	Grupo Televisa SAB	Exited	64,208,690	—
BN	Brookfield Corp.	New	+41,280,320	$1894.4B
BAC	Bank of America Corp.	Decreased	13,337,999	$110.5B
SNY	Sanofi SA	Decreased	12,439,148	$2737.6B
CX	Cemex SAB de CV	Decreased	11,939,700	$974.3B
SATS	EchoStar Corp.	Decreased	11,758,684	$3.5B
FISV	Fiserv, Inc.	Increased	+10,840,613	$3323.2B
CVS	CVS Health Corp.	Decreased	10,666,598	$4960.8B
GSK	GSK PLC	Decreased	9,885,765	$3360.1B
TRU	TransUnion	New	+9,842,006	$844.0B

Other Whales Moving REGN This Period

Manager	Change Type	Share Change
AQR Capital	Decreased	692,032
Capital World	Decreased	600,363
Renaissance Tech	Decreased	266,080
Point72	Decreased	200,599
Two Sigma	Decreased	188,752
Bridgewater	Decreased	162,636
Acadian	Decreased	138,710
DE Shaw	Decreased	122,799
LSV	Increased	+110,914
Citadel	Increased	+109,300

View all sentiment, news, and whale activity for REGN (Regeneron Pharmaceuticals, 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 06:01 UTC