Westfield Capital Management
PEN icon

Westfield Capital Management’s Penumbra PEN Stock Holding History

Westfield Capital Management’s Portfolio PEN Stock Details PEN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$41.5M Buy
+131,394
New +$42.6M 0.14% 177

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Vanguard Portfolio Management
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State Street
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ECM
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Balyasny Asset Management
Balyasny Asset Management Chicago, Illinois $80.2B AUM 51.53% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $225B AUM 49.49% 1-Year Est. Return

Westfield Capital Management's PEN Position: Q2 2026 in Review

Westfield Capital Management opened a new position in Penumbra (PEN) in Q2 2026: 131,394 shares worth $41.5M. The stake represents 0.14% of the portfolio and ranks #177 among its holdings.

450 funds tracked by Wall St. Rank hold PEN as of Q2 2026.

  • Westfield Capital Management held 131,394 shares of Penumbra worth $41.5M as of Q2 2026.
  • Penumbra was a new Westfield Capital Management position in Q2 2026.
  • Penumbra made up 0.14% of Westfield Capital Management's portfolio in Q2 2026, its #177 holding.
  • 450 funds tracked by Wall St. Rank held Penumbra as of Q2 2026.

Based on Westfield Capital Management's 13F filing for Q2 2026, filed 12 Aug 2026.