Rockefeller Capital Management
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Rockefeller Capital Management’s Amylyx Pharmaceuticals AMLX Stock Holding History

Rockefeller Capital 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
Q1 		$17.7K Buy
1,274
+1,013
+388% +$14.2K ﹤0.01% 3757
2025
Q4 		$3.15K Buy
261
+256
+5,120% +$3.48K ﹤0.01% 4202
2025
Q3 		$68 Buy
+5
New +$47 ﹤0.01% 4386

Other funds holding AMLX

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
PA
Perceptive Advisors New York $5.12B AUM 314.02% 1-Year Est. Return
TCM
TCG Crossover Management Palo Alto, California $3.5B AUM 1,165.83% 1-Year Est. Return
CC
Commodore Capital New York $1.73B AUM 298.96% 1-Year Est. Return
Janus Henderson Group
Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return
SVCM
Saturn V Capital Management Austin, Texas $552M AUM 551.78% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Adage Capital Partners
Adage Capital Partners Boston, Massachusetts $64.8B AUM 42.7% 1-Year Est. Return
FLAM
First Light Asset Management Edina, Minnesota $1.12B AUM 114.45% 1-Year Est. Return

Rockefeller Capital Management's AMLX Position: Q1 2026 in Review

Rockefeller Capital Management increased its Amylyx Pharmaceuticals (AMLX) stake by 388% in Q1 2026, buying an estimated $14.2K and bringing the position to 1,274 shares worth $17.7K. The position accounts for ﹤0.01% of the portfolio, ranked #3757.

Rockefeller Capital Management first reported a position in AMLX in Q3 2025 and has held it in 3 quarters since. 171 funds tracked by Wall St. Rank hold AMLX as of Q1 2026.

  • Rockefeller Capital Management held 1,274 shares of Amylyx Pharmaceuticals worth $17.7K as of Q1 2026.
  • Rockefeller Capital Management bought 1,013 Amylyx Pharmaceuticals shares in Q1 2026, an estimated $14.2K.
  • Amylyx Pharmaceuticals made up ﹤0.01% of Rockefeller Capital Management's portfolio in Q1 2026, its #3757 holding.
  • Rockefeller Capital Management first reported a position in Amylyx Pharmaceuticals in Q3 2025 and has held it in 3 quarters since.
  • 171 funds tracked by Wall St. Rank held Amylyx Pharmaceuticals as of Q1 2026.

Based on Rockefeller Capital Management's 13F filing for Q1 2026, filed 14 May 2026.