Jim Simons
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Jim Simons’s Alto Neuroscience ANRO Stock Holding History

Jim Simons’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
Q2 		$1.88M Sell
71,399
-32,100
-31% -$742K ﹤0.01% 1986
2026
Q1 		$2.33M Buy
103,499
+6,100
+6% +$113K ﹤0.01% 1822
2025
Q4 		$1.73M Buy
97,399
+21,627
+29% +$272K ﹤0.01% 1956
2025
Q3 		$305K Buy
75,772
+41,072
+118% +$136K ﹤0.01% 2988
2025
Q2 		$76.3K Buy
+34,700
New +$82.6K ﹤0.01% 3339

Other funds holding ANRO

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
SSC
Spruce Street Capital New York $510M AUM
Franklin Resources
Franklin Resources San Mateo, California $462B AUM 39.16% 1-Year Est. Return
AAA
Affinity Asset Advisors New York $2.21B AUM 431.26% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $860B AUM 41.15% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $127B AUM 46.06% 1-Year Est. Return
VFT
Vanguard Fiduciary Trust Malvern, Pennsylvania $454B AUM

Jim Simons's ANRO Position: Q2 2026 in Review

Jim Simons reduced its Alto Neuroscience (ANRO) stake by 31% in Q2 2026, selling an estimated $742K and leaving 71,399 shares worth $1.88M. The position accounts for ﹤0.01% of the portfolio, ranked #1986.

Jim Simons first reported a position in ANRO in Q2 2025 and has held it in 5 quarters since. The position peaked at $2.33M in Q1 2026. 66 funds tracked by Wall St. Rank hold ANRO as of Q2 2026.

  • Jim Simons held 71,399 shares of Alto Neuroscience worth $1.88M as of Q2 2026.
  • Jim Simons sold 32,100 Alto Neuroscience shares in Q2 2026, an estimated $742K.
  • Alto Neuroscience made up ﹤0.01% of Jim Simons's portfolio in Q2 2026, its #1986 holding.
  • Jim Simons first reported a position in Alto Neuroscience in Q2 2025 and has held it in 5 quarters since.
  • Jim Simons's Alto Neuroscience position peaked at $2.33M in Q1 2026.
  • 66 funds tracked by Wall St. Rank held Alto Neuroscience as of Q2 2026.

Based on Renaissance Technologies's 13F filing for Q2 2026, filed 13 Aug 2026.