DM
PEN icon

Deerfield Management’s Penumbra PEN Stock Holding History

Deerfield 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
2025
Q4 		– Sell
-6,411
Closed -$1.62M – 170
2025
Q3 		$1.62M Buy
+6,411
New +$1.62M 0.02% 108
2015
Q4 		– Sell
-100,000
Closed -$4.01M – 121
2015
Q3 		$4.01M Buy
+100,000
New +$4.04M 0.16% 96

Other funds holding PEN

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return
Baillie Gifford & Co
Baillie Gifford & Co Edinburgh, United Kingdom $97.9B AUM 20.73% 1-Year Est. Return
RI
RTW Investments New York $10B AUM 135.35% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Deerfield Management's PEN Position: Q4 2025 in Review

Deerfield Management sold out of Penumbra (PEN) in Q4 2025, closing a stake of 6,411 shares — an estimated $1.62M sold.

Deerfield Management first reported a position in PEN in Q3 2015 and held it in 2 quarters. The position peaked at $4.01M in Q3 2015. 438 funds tracked by Wall St. Rank hold PEN as of Q4 2025.

  • Deerfield Management reported no remaining Penumbra position as of Q4 2025 after selling out during the quarter.
  • Deerfield Management sold 6,411 Penumbra shares in Q4 2025, an estimated $1.62M.
  • Deerfield Management first reported a position in Penumbra in Q3 2015 and held it in 2 quarters.
  • Deerfield Management's Penumbra position peaked at $4.01M in Q3 2015.
  • 438 funds tracked by Wall St. Rank held Penumbra as of Q4 2025.

Based on Deerfield Management's 13F filing for Q4 2025, filed 17 Feb 2026.