Citadel Advisors
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Citadel Advisors’s Alto Neuroscience ANRO Stock Holding History

Citadel Advisors’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 		– Sell
-12,973
Closed -$240K – 14436
2025
Q4 		$231K Sell
12,973
-24,179
-65% -$304K ﹤0.01% 10720
2025
Q3 		$149K Buy
+37,152
New +$123K ﹤0.01% 11533
2025
Q2 		– Sell
-500,589
Closed -$1.19M – 15470
2025
Q1 		$1.08M Sell
500,589
-475,397
-49% -$1.7M ﹤0.01% 6787
2024
Q4 		$4.13M Buy
+975,986
New +$6.09M ﹤0.01% 4280
2024
Q2 		– Sell
-173,648
Closed -$2.67M – 15598
2024
Q1 		$2.67M Buy
+173,648
New +$2.72M ﹤0.01% 4986

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

Citadel Advisors's ANRO Position: Q1 2026 in Review

Citadel Advisors sold out of Alto Neuroscience (ANRO) in Q1 2026, closing a stake of 12,973 shares — an estimated $240K sold.

Citadel Advisors first reported a position in ANRO in Q1 2024 and held it in 5 quarters. The position peaked at $4.13M in Q4 2024. 110 funds tracked by Wall St. Rank hold ANRO as of Q1 2026.

  • Citadel Advisors reported no remaining Alto Neuroscience position as of Q1 2026 after selling out during the quarter.
  • Citadel Advisors sold 12,973 Alto Neuroscience shares in Q1 2026, an estimated $240K.
  • Citadel Advisors first reported a position in Alto Neuroscience in Q1 2024 and held it in 5 quarters.
  • Citadel Advisors's Alto Neuroscience position peaked at $4.13M in Q4 2024.
  • 110 funds tracked by Wall St. Rank held Alto Neuroscience as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.