William Blair & Company
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William Blair & Company’s Neurogene NGNE Stock Holding History

William Blair & Company’s Portfolio NGNE Stock Details NGNE Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$3.39M Buy
168,218
+4,563
+3% +$88.4K 0.01% 596
2025
Q4 		$3.37M Buy
163,655
+21,835
+15% +$544K 0.01% 609
2025
Q3 		$2.46M Buy
141,820
+8,584
+6% +$172K 0.01% 681
2025
Q2 		$1.99M Sell
133,236
-17,944
-12% -$282K 0.01% 716
2025
Q1 		$1.77M Buy
151,180
+88,540
+141% +$1.54M 0.01% 743
2024
Q4 		$1.43M Buy
+62,640
New +$2.33M ﹤0.01% 798

Other funds holding NGNE

SB
Samsara BioCapital Palo Alto, California $1.03B AUM 214.94% 1-Year Est. Return
RG
Redmile Group San Francisco, California $1.51B AUM 164.17% 1-Year Est. Return
CC
Casdin Capital New York $1.32B AUM 76.62% 1-Year Est. Return
RI
RTW Investments New York $10B AUM 135.35% 1-Year Est. Return
EC
EcoR1 Capital San Francisco, California $2.36B AUM 204.53% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
BBA
Baker Bros. Advisors New York $17.4B AUM 131.5% 1-Year Est. Return
TECP
Trails Edge Capital Partners Atlanta, Georgia $437M AUM
Balyasny Asset Management
Balyasny Asset Management Chicago, Illinois $77.1B AUM 42.89% 1-Year Est. Return
Toronto Dominion Bank
Toronto Dominion Bank Toronto, Ontario, Ontario, Canada $69.7B AUM 40.86% 1-Year Est. Return

William Blair & Company's NGNE Position: Q1 2026 in Review

William Blair & Company increased its Neurogene (NGNE) stake by 2.8% in Q1 2026, buying an estimated $88.4K and bringing the position to 168,218 shares worth $3.39M. The position accounts for 0.01% of the portfolio, ranked #596.

William Blair & Company first reported a position in NGNE in Q4 2024 and has held it in 6 quarters since. 96 funds tracked by Wall St. Rank hold NGNE as of Q1 2026.

  • William Blair & Company held 168,218 shares of Neurogene worth $3.39M as of Q1 2026.
  • William Blair & Company bought 4,563 Neurogene shares in Q1 2026, an estimated $88.4K.
  • Neurogene made up 0.01% of William Blair & Company's portfolio in Q1 2026, its #596 holding.
  • William Blair & Company first reported a position in Neurogene in Q4 2024 and has held it in 6 quarters since.
  • 96 funds tracked by Wall St. Rank held Neurogene as of Q1 2026.

Based on William Blair & Company's 13F filing for Q1 2026, filed 8 May 2026.