RSCM
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Rock Springs Capital Management’s Annexon ANNX Stock Holding History

Rock Springs Capital Management’s Portfolio ANNX Stock Details ANNX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2021
Q1 		– Sell
-45,413
Closed -$1.14M – 152
2020
Q4 		$1.14M Sell
45,413
-191,398
-81% -$4.93M 0.02% 154
2020
Q3 		$7.16M Buy
+236,811
New +$5.56M 0.18% 117

Other funds holding ANNX

RG
Redmile Group San Francisco, California $1.51B AUM 164.17% 1-Year Est. Return
BCLSI
Bain Capital Life Sciences Investors Boston, Massachusetts $1.11B AUM 171.34% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Blackstone Inc
Blackstone Inc New York $25.6B AUM 26.83% 1-Year Est. Return
NMC
NEA Management Company Timonium, Maryland $1.76B AUM 223.33% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return
Federated Hermes
Federated Hermes Pittsburgh, Pennsylvania $61.5B AUM 30.7% 1-Year Est. Return
EAM
Eventide Asset Management Boston, Massachusetts $6.05B AUM 76.64% 1-Year Est. Return
AIM
Alerce Investment Management Chicago, Illinois $56.8M AUM 31.17% 1-Year Est. Return

Rock Springs Capital Management's ANNX Position: Q1 2021 in Review

Rock Springs Capital Management sold out of Annexon (ANNX) in Q1 2021, closing a stake of 45,413 shares — an estimated $1.14M sold.

Rock Springs Capital Management first reported a position in ANNX in Q3 2020 and held it in 2 quarters. The position peaked at $7.16M in Q3 2020. 72 funds tracked by Wall St. Rank hold ANNX as of Q1 2021.

  • Rock Springs Capital Management reported no remaining Annexon position as of Q1 2021 after selling out during the quarter.
  • Rock Springs Capital Management sold 45,413 Annexon shares in Q1 2021, an estimated $1.14M.
  • Rock Springs Capital Management first reported a position in Annexon in Q3 2020 and held it in 2 quarters.
  • Rock Springs Capital Management's Annexon position peaked at $7.16M in Q3 2020.
  • 72 funds tracked by Wall St. Rank held Annexon as of Q1 2021.

Based on Rock Springs Capital Management's 13F filing for Q1 2021, filed 17 May 2021.