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Driehaus Capital Management’s Amylyx Pharmaceuticals AMLX Stock Holding History

Driehaus 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
Q2 		$54.5M Buy
3,036,970
+49,823
+2% +$771K 0.32% 105
2026
Q1 		$41.5M Sell
2,987,147
-122,356
-4% -$1.72M 0.31% 114
2025
Q4 		$37.6M Buy
3,109,503
+688,736
+28% +$9.35M 0.26% 130
2025
Q3 		$32.9M Buy
2,420,767
+1,155,770
+91% +$10.9M 0.24% 141
2025
Q2 		$8.11M Buy
+1,264,997
New +$6.15M 0.06% 272

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
FLAM
First Light Asset Management Edina, Minnesota $1.65B AUM 203.21% 1-Year Est. Return

Driehaus Capital Management's AMLX Position: Q2 2026 in Review

Driehaus Capital Management increased its Amylyx Pharmaceuticals (AMLX) stake by 1.7% in Q2 2026, buying an estimated $771K and bringing the position to 3,036,970 shares worth $54.5M. The position accounts for 0.32% of the portfolio, ranked #105.

Driehaus Capital Management first reported a position in AMLX in Q2 2025 and has held it in 5 quarters since. 207 funds tracked by Wall St. Rank hold AMLX as of Q2 2026.

  • Driehaus Capital Management held 3,036,970 shares of Amylyx Pharmaceuticals worth $54.5M as of Q2 2026.
  • Driehaus Capital Management bought 49,823 Amylyx Pharmaceuticals shares in Q2 2026, an estimated $771K.
  • Amylyx Pharmaceuticals made up 0.32% of Driehaus Capital Management's portfolio in Q2 2026, its #105 holding.
  • Driehaus Capital Management first reported a position in Amylyx Pharmaceuticals in Q2 2025 and has held it in 5 quarters since.
  • 207 funds tracked by Wall St. Rank held Amylyx Pharmaceuticals as of Q2 2026.

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