American Century Companies
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American Century Companies’s Alto Neuroscience ANRO Stock Holding History

American Century Companies’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 		$319K Buy
14,186
+3,826
+37% +$70.9K ﹤0.01% 2626
2025
Q4 		$184K Buy
+10,360
New +$130K ﹤0.01% 2716

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

American Century Companies's ANRO Position: Q1 2026 in Review

American Century Companies increased its Alto Neuroscience (ANRO) stake by 37% in Q1 2026, buying an estimated $70.9K and bringing the position to 14,186 shares worth $319K. The position accounts for ﹤0.01% of the portfolio, ranked #2626.

American Century Companies first reported a position in ANRO in Q4 2025 and has held it in 2 quarters since. 110 funds tracked by Wall St. Rank hold ANRO as of Q1 2026.

  • American Century Companies held 14,186 shares of Alto Neuroscience worth $319K as of Q1 2026.
  • American Century Companies bought 3,826 Alto Neuroscience shares in Q1 2026, an estimated $70.9K.
  • Alto Neuroscience made up ﹤0.01% of American Century Companies's portfolio in Q1 2026, its #2626 holding.
  • American Century Companies first reported a position in Alto Neuroscience in Q4 2025 and has held it in 2 quarters since.
  • 110 funds tracked by Wall St. Rank held Alto Neuroscience as of Q1 2026.

Based on American Century Companies's 13F filing for Q1 2026, filed 15 May 2026.