Parnassus Investments
REGN icon

Parnassus Investments’s Regeneron Pharmaceuticals REGN Stock Holding History

Parnassus Investments’s Portfolio REGN Stock Details REGN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$75.3M Buy
97,495
+950
+1% +$727K 0.22% 64
2025
Q4 		$74.5M Sell
96,545
-4,478
-4% -$3.04M 0.19% 72
2025
Q3 		$56.8M Sell
101,023
-61
-0.1% -$34.5K 0.13% 89
2025
Q2 		$53.1M Buy
+101,084
New +$56.4M 0.12% 91
2020
Q1 		– Sell
-145,000
Closed -$54.4M – 109
2019
Q4 		$54.4M Sell
145,000
-480,000
-77% -$161M 0.18% 79
2019
Q3 		$173M Hold
625,000
– – 0.63% 47
2019
Q2 		$196M Buy
625,000
+465,000
+291% +$155M 0.74% 45
2019
Q1 		$65.7M Buy
+160,000
New +$65.9M 0.26% 67

Other funds holding REGN

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BlackRock New York $5.7T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Dodge & Cox
Dodge & Cox San Francisco, California $182B AUM 14.68% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.47T AUM 27.86% 1-Year Est. Return
Franklin Resources
Franklin Resources San Mateo, California $408B AUM 30.18% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
N
Nuveen Charlotte, North Carolina $369B AUM 31.66% 1-Year Est. Return
Loomis, Sayles & Company
Loomis, Sayles & Company Boston, Massachusetts $74.3B AUM 24.01% 1-Year Est. Return