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Nine Masts Capital’s Penumbra PEN Stock Holding History

Nine Masts Capital’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 		$7.35M Sell
23,264
-479
-2% -$155K 0.74% 21
2026
Q1 		$7.8M Buy
+23,743
New +$8.04M 1.13% 20

Other funds holding PEN

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
HI
HBK Investments Dallas, Texas $10.2B AUM 67.73% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
ECM
ExodusPoint Capital Management New York $15.5B AUM 38.81% 1-Year Est. Return
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

Nine Masts Capital's PEN Position: Q2 2026 in Review

Nine Masts Capital reduced its Penumbra (PEN) stake by 2% in Q2 2026, selling an estimated $155K and leaving 23,264 shares worth $7.35M. The position accounts for 0.74% of the portfolio, ranked #21.

Nine Masts Capital first reported a position in PEN in Q1 2026 and has held it in 2 quarters since. The position peaked at $7.8M in Q1 2026. 451 funds tracked by Wall St. Rank hold PEN as of Q2 2026.

  • Nine Masts Capital held 23,264 shares of Penumbra worth $7.35M as of Q2 2026.
  • Nine Masts Capital sold 479 Penumbra shares in Q2 2026, an estimated $155K.
  • Penumbra made up 0.74% of Nine Masts Capital's portfolio in Q2 2026, its #21 holding.
  • Nine Masts Capital first reported a position in Penumbra in Q1 2026 and has held it in 2 quarters since.
  • Nine Masts Capital's Penumbra position peaked at $7.8M in Q1 2026.
  • 451 funds tracked by Wall St. Rank held Penumbra as of Q2 2026.

Based on Nine Masts Capital's 13F filing for Q2 2026, filed 7 Aug 2026.