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Rock Springs Capital Management’s Xencor XNCR Stock Holding History

Rock Springs Capital Management’s Portfolio XNCR Stock Details XNCR Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q1 		– Sell
-401,013
Closed -$9.22M – 110
2024
Q4 		$9.22M Hold
401,013
– – 0.35% 64
2024
Q3 		$8.06M Buy
+401,013
New +$7.53M 0.26% 73

Other funds holding XNCR

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
EC
EcoR1 Capital San Francisco, California $2.36B AUM 204.53% 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
BI
BVF Inc San Francisco, California $3.14B AUM 249.53% 1-Year Est. Return
TCM
TCG Crossover Management Palo Alto, California $3.5B AUM 1,165.83% 1-Year Est. Return
RI
RTW Investments New York $10B AUM 135.35% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Rock Springs Capital Management's XNCR Position: Q1 2025 in Review

Rock Springs Capital Management sold out of Xencor (XNCR) in Q1 2025, closing a stake of 401,013 shares — an estimated $9.22M sold.

Rock Springs Capital Management first reported a position in XNCR in Q3 2024 and held it in 2 quarters. The position peaked at $9.22M in Q4 2024. 202 funds tracked by Wall St. Rank hold XNCR as of Q1 2025.

  • Rock Springs Capital Management reported no remaining Xencor position as of Q1 2025 after selling out during the quarter.
  • Rock Springs Capital Management sold 401,013 Xencor shares in Q1 2025, an estimated $9.22M.
  • Rock Springs Capital Management first reported a position in Xencor in Q3 2024 and held it in 2 quarters.
  • Rock Springs Capital Management's Xencor position peaked at $9.22M in Q4 2024.
  • 202 funds tracked by Wall St. Rank held Xencor as of Q1 2025.

Based on Rock Springs Capital Management's 13F filing for Q1 2025, filed 15 May 2025.