Jennison Associates
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Jennison Associates’s Alto Neuroscience ANRO Stock Holding History

Jennison Associates’s Portfolio ANRO Stock Details ANRO Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$8.69M Buy
+386,426
New +$7.16M 0.01% 394
2024
Q4 		– Sell
-832,290
Closed -$9.52M – 638
2024
Q3 		$9.52M Buy
832,290
+370,612
+80% +$4.54M 0.01% 392
2024
Q2 		$4.94M Buy
461,678
+3,079
+0.7% +$40.1K ﹤0.01% 423
2024
Q1 		$7.04M Buy
+458,599
New +$7.18M ﹤0.01% 416

Other funds holding ANRO

AWG
Alpha Wave Global New York $791M AUM 113.77% 1-Year Est. Return
CC
Commodore Capital New York $1.73B AUM 298.96% 1-Year Est. Return
VPC
Vestal Point Capital New York $3.58B AUM 189.12% 1-Year Est. Return
PA
Perceptive Advisors New York $5.12B AUM 314.02% 1-Year Est. Return
SSC
Spruce Street Capital New York $416M AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Franklin Resources
Franklin Resources San Mateo, California $408B AUM 30.18% 1-Year Est. Return
VC
Vivo Capital Palo Alto, California $1.2B AUM 911.44% 1-Year Est. Return
AC
Armistice Capital New York $5.62B AUM 36.06% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return

Jennison Associates's ANRO Position: Q1 2026 in Review

Jennison Associates opened a new position in Alto Neuroscience (ANRO) in Q1 2026: 386,426 shares worth $8.69M. The stake represents 0.01% of the portfolio and ranks #394 among its holdings. This is a return to the name: Jennison Associates previously reported a position in ANRO as recently as Q3 2024.

Jennison Associates first reported a position in ANRO in Q1 2024 and has held it in 4 quarters since. The position peaked at $9.52M in Q3 2024. 110 funds tracked by Wall St. Rank hold ANRO as of Q1 2026.

  • Jennison Associates held 386,426 shares of Alto Neuroscience worth $8.69M as of Q1 2026.
  • Alto Neuroscience was a new Jennison Associates position in Q1 2026.
  • Alto Neuroscience made up 0.01% of Jennison Associates's portfolio in Q1 2026, its #394 holding.
  • Jennison Associates first reported a position in Alto Neuroscience in Q1 2024 and has held it in 4 quarters since.
  • Jennison Associates's Alto Neuroscience position peaked at $9.52M in Q3 2024.
  • 110 funds tracked by Wall St. Rank held Alto Neuroscience as of Q1 2026.

Based on Jennison Associates's 13F filing for Q1 2026, filed 6 May 2026.