ANRO Alto Neuroscience, Inc.

NYSE
$35.13

Alto Neuroscience, Inc. (ANRO) Hedge Fund Activity

This view isolates hedge funds from the broader institutional ownership shown on the Institutional tab. A pension fund tracking an index may have no view on a stock; when a hedge fund builds or exits a position, that decision can carry information. This page measures those changes. Positions as of June 30, 2026.

Based on quarterly 13F long-equity filings. Changes compare reported quarter-end positions; filings can be reported up to 45 days later and do not represent a fund's complete exposure.

Hedge fund breadth
-52.38
5 buyers / 16 sellers
STRONG SELLING
Funds compared
23
funds with comparable ANRO positions
17 current holders · 22 prior-quarter holders
Net share change
-689.6K
+1.96M added, -2.65M cut
Position activity
1 new 4 increased 10 reduced 6 exited

Most significant moves

Ranked by conviction, not size — how much of the fund's own book the position represents, how far it moved, and what kind of fund made it.

Fund Action Shares changed Change Est. value Portfolio wt. Score
D. E. Shaw & Co., Inc. Quant Sold Out -45.3K -100.0% $1.2M 0.0% 60
Balyasny Asset Management L.P. Sold Out -32.1K -100.0% $847.4K 0.0% 57
Qube Research & Technologies Ltd Quant Sold Out -209.3K -100.0% $5.5M 0.0% 57
Hudson Bay Capital Management Event Sold Out -43.8K -100.0% $1.2M 0.0% 55
ADAGE CAPITAL PARTNERS GP, L.L.C. Increased +1.22M +315.6% $32.1M 0.1% 54
Vestal Point Capital Growth Healthcare Reduced -1.28M -62.0% $33.8M 0.5% 53
Schonfeld Strategic Advisors Long/Short Quant New +257.6K — $6.8M 0.0% 53
Brevan Howard Capital Management Macro Sold Out -38.8K -100.0% $1.0M 0.0% 51
Affinity Asset Advisors Long/Short Growth Increased +350.0K +70.0% $9.2M 1.1% 49
Y-Intercept Quant Sold Out -23.9K -100.0% $631.9K 0.0% 48

Most significant buyers

By move score, not size.

  • ADAGE CAPITAL PARTNERS GP, L.L.C. Increased · +1.22M
  • Schonfeld Strategic Advisors New · +257.6K
  • Affinity Asset Advisors Increased · +350.0K
  • OrbiMed Advisors Increased · +90.4K
  • MARSHALL WACE, LLP Increased · +49.2K

Most significant sellers

By move score, not size.

  • D. E. Shaw & Co., Inc. Sold Out · -45.3K
  • Balyasny Asset Management L.P. Sold Out · -32.1K
  • Qube Research & Technologies Ltd Sold Out · -209.3K
  • Hudson Bay Capital Management Sold Out · -43.8K
  • Vestal Point Capital Reduced · -1.28M

Hedge fund positions

Fund Tier Shares Previous Change Change % Portfolio wt. Action Score
D. E. Shaw & Co., Inc. 1 0 45.3K -45.3K -100.0% 0.0% Sold Out 60
Balyasny Asset Management L.P. 2 0 32.1K -32.1K -100.0% 0.0% Sold Out 57
Qube Research & Technologies Ltd 2 0 209.3K -209.3K -100.0% 0.0% Sold Out 57
Hudson Bay Capital Management 3 0 43.8K -43.8K -100.0% 0.0% Sold Out 55
ADAGE CAPITAL PARTNERS GP, L.L.C. 2 1.6M 385.0K +1.22M +315.6% 0.1% Increased 54
Vestal Point Capital 1 785.0K 2.1M -1.28M -62.0% 0.5% Reduced 53
Schonfeld Strategic Advisors 3 257.6K 0 +257.6K — 0.0% New 53
Brevan Howard Capital Management 3 0 38.8K -38.8K -100.0% 0.0% Sold Out 51
Affinity Asset Advisors 2 850.0K 500.0K +350.0K +70.0% 1.1% Increased 49
Y-Intercept 4 0 23.9K -23.9K -100.0% 0.0% Sold Out 48
Alkeon Capital Management 1 102.1K 227.1K -125.0K -55.0% 0.0% Reduced 46
Perceptive Advisors 1 1.6M 2.0M -400.0K -19.9% 0.7% Reduced 43
OrbiMed Advisors 2 257.9K 167.5K +90.4K +53.9% 0.1% Increased 42
MILLENNIUM MANAGEMENT LLC 2 558.3K 822.0K -263.7K -32.1% 0.0% Reduced 36
TWO SIGMA INVESTMENTS, LP 2 147.3K 216.1K -68.8K -31.8% 0.0% Reduced 36
RENAISSANCE TECHNOLOGIES LLC 1 71.4K 103.5K -32.1K -31.0% 0.0% Reduced 35
MARSHALL WACE, LLP 2 225.5K 176.3K +49.2K +27.9% 0.0% Increased 34
Squarepoint Ops LLC 2 21.3K 30.0K -8.7K -29.0% 0.0% Reduced 31
Point72 Asset Management, L.P. 1 503.0K 503.1K -137 -+0.0% 0.0% Reduced 28
Armistice Capital 3 864.0K 912.0K -48.0K -5.3% 0.6% Reduced 28
Boothbay Fund Management 4 106.2K 139.3K -33.1K -23.7% 0.1% Reduced 24
Alpha Wave Global 1 3.7M 3.7M 0 +0.0% 1.6% Unchanged 49
Integral Health Asset Management 2 500.0K 500.0K 0 +0.0% 0.5% Unchanged 23

Every fund above opens. Subscribers can see any manager's whole portfolio — every position, its weight, and what they bought, trimmed and exited last quarter.

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Hedge funds are identified from their 13F filings, which are due 45 days after quarter end and cover long U.S.-listed equity positions only. A fund's short book never appears, so a reduced position can mean a changed view or a changed hedge — the filing doesn't say which.