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Fred Alger Management’s Amylyx Pharmaceuticals AMLX Stock Holding History

Fred Alger Management’s Portfolio AMLX Stock Details AMLX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		– Sell
-164,042
Closed -$2.23M – 465
2025
Q3 		$2.23M Buy
+164,042
New +$1.54M 0.01% 316
2023
Q1 		– Sell
-10,092
Closed -$373K – 519
2022
Q4 		$373K Sell
10,092
-2,750
-21% -$97.6K ﹤0.01% 413
2022
Q3 		$362K Buy
12,842
+7,713
+150% +$192K ﹤0.01% 410
2022
Q2 		$99K Buy
+5,129
New +$60.9K ﹤0.01% 438

Other funds holding AMLX

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
PA
Perceptive Advisors New York $6.66B AUM 360.84% 1-Year Est. Return
TCM
TCG Crossover Management Palo Alto, California $4.16B AUM 983.43% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
CC
Commodore Capital New York $1.68B AUM 375.52% 1-Year Est. Return
SVCM
Saturn V Capital Management Austin, Texas $697M AUM 628.57% 1-Year Est. Return
Janus Henderson Group
Janus Henderson Group London $209B AUM 37.72% 1-Year Est. Return
FLAM
First Light Asset Management Edina, Minnesota $1.65B AUM 203.21% 1-Year Est. Return
DCM
Driehaus Capital Management Chicago, Illinois $17.3B AUM 211.34% 1-Year Est. Return

Fred Alger Management's AMLX Position: Q4 2025 in Review

Fred Alger Management sold out of Amylyx Pharmaceuticals (AMLX) in Q4 2025, closing a stake of 164,042 shares — an estimated $2.23M sold.

Fred Alger Management first reported a position in AMLX in Q2 2022 and held it in 4 quarters. The position peaked at $2.23M in Q3 2025. 179 funds tracked by Wall St. Rank hold AMLX as of Q4 2025.

  • Fred Alger Management reported no remaining Amylyx Pharmaceuticals position as of Q4 2025 after selling out during the quarter.
  • Fred Alger Management sold 164,042 Amylyx Pharmaceuticals shares in Q4 2025, an estimated $2.23M.
  • Fred Alger Management first reported a position in Amylyx Pharmaceuticals in Q2 2022 and held it in 4 quarters.
  • Fred Alger Management's Amylyx Pharmaceuticals position peaked at $2.23M in Q3 2025.
  • 179 funds tracked by Wall St. Rank held Amylyx Pharmaceuticals as of Q4 2025.

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