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Caption Management’s Amylyx Pharmaceuticals AMLX Stock Holding History

Caption 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
2026
Q2 		$1.8K Buy
+100
New +$1.55K ﹤0.01% 1591
2024
Q2 		– Sell
-522,800
Closed -$1.48M – 1129
2024
Q1 		$1.48M Buy
522,800
+422,800
+423% +$5.53M 0.02% 630
2023
Q4 		$1.47M Sell
100,000
-118,600
-54% -$1.82M 0.02% 702
2023
Q3 		$4M Sell
218,600
-357,100
-62% -$7.55M 0.06% 379
2023
Q2 		$12.4M Buy
575,700
+135,700
+31% +$3.67M 0.22% 115
2023
Q1 		$12.9M Buy
+440,000
New +$15.3M 0.25% 93
2022
Q4 		– Sell
-174,900
Closed -$4.92M – 1255
2022
Q3 		$4.92M Sell
174,900
-2,700
-2% -$67.4K 0.07% 354
2022
Q2 		$3.42M Buy
177,600
+65,500
+58% +$778K 0.05% 490
2022
Q1 		$1.44M Buy
+112,100
New +$2.53M 0.02% 851

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
CC
Commodore Capital New York $1.68B AUM 375.52% 1-Year Est. Return
JT
Jupiter Topco New York $245B AUM
SVCM
Saturn V Capital Management Austin, Texas $697M AUM 628.57% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
DCM
Driehaus Capital Management Chicago, Illinois $17.3B AUM 211.34% 1-Year Est. Return

Caption Management's AMLX Position: Q2 2026 in Review

Caption Management opened a new position in Amylyx Pharmaceuticals (AMLX) in Q2 2026: 174 shares worth $3.13K. The stake represents ﹤0.01% of the portfolio and ranks #1590 among its holdings. This is a return to the name: Caption Management previously reported a position in AMLX as recently as Q2 2024.

Caption Management first reported a position in AMLX in Q1 2022 and has held it in 8 quarters since. The position peaked at $1.63M in Q3 2023. 206 funds tracked by Wall St. Rank hold AMLX as of Q2 2026.

  • Caption Management held 174 shares of Amylyx Pharmaceuticals worth $3.13K as of Q2 2026.
  • Amylyx Pharmaceuticals was a new Caption Management position in Q2 2026.
  • Amylyx Pharmaceuticals made up ﹤0.01% of Caption Management's portfolio in Q2 2026, its #1590 holding.
  • Caption Management first reported a position in Amylyx Pharmaceuticals in Q1 2022 and has held it in 8 quarters since.
  • Caption Management's Amylyx Pharmaceuticals position peaked at $1.63M in Q3 2023.
  • 206 funds tracked by Wall St. Rank held Amylyx Pharmaceuticals as of Q2 2026.

Based on Caption Management's 13F filing for Q2 2026, filed 14 Aug 2026.