ALTO NEUROSCIENCE INC (ANRO) Institutional Ownership Changes & 13F Activity
ALTO NEUROSCIENCE INC (ANRO). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Vestal Point Capital, Lp, Adage Capital Partners Gp, L.L.C., Parkman Healthcare Partners Llc, Perceptive Advisors Llc, and Millennium Management Llc.
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| Manufacturers Life Insurance Company, The | Buy | +6,486 | +27.3% | 30,233 | $797.85K | Q2 2026 | Sep 09, 2026 |
| Allianz Asset Management Gmbh | Sell | -2,500 | -8.8% | 26,000 | $686.14K | Q2 2026 | Sep 02, 2026 |
| California State Teachers Retirement System | Buy | +361 | — | 361 | $9.53K | Q2 2026 | Aug 24, 2026 |
| Vestal Point Capital, Lp | Sell | -1,279,075 | -62.0% | 785,000 | $20.72M | Q2 2026 | Aug 14, 2026 |
| Adage Capital Partners Gp, L.L.C. | Buy | +1,215,000 | +315.6% | 1,600,000 | $42.22M | Q2 2026 | Aug 14, 2026 |
| Parkman Healthcare Partners Llc | Buy | +429,035 | — | 429,035 | $11.32M | Q2 2026 | Aug 14, 2026 |
| Perceptive Advisors Llc | Sell | -400,000 | -19.9% | 1,609,893 | $42.49M | Q2 2026 | Aug 14, 2026 |
| Millennium Management Llc | Sell | -263,662 | -32.1% | 558,320 | $14.73M | Q2 2026 | Aug 14, 2026 |
| Schonfeld Strategic Advisors Llc | Buy | +257,631 | — | 257,631 | $6.80M | Q2 2026 | Aug 14, 2026 |
| Susquehanna International Group, Llp | Sell | -230,500 | -96.6% | 7,998 | $211.07K | Q2 2026 | Aug 14, 2026 |
| Ameriprise Financial Inc | Buy | +190,996 | — | 190,996 | $5.04M | Q2 2026 | Aug 14, 2026 |
| Vivo Capital, Llc | Buy | +173,307 | +16.7% | 1,208,858 | $31.90M | Q2 2026 | Aug 14, 2026 |
| Goldman Sachs Group Inc | Buy | +132,113 | +126.2% | 236,830 | $6.25M | Q2 2026 | Aug 14, 2026 |
| Alkeon Capital Management Llc | Sell | -125,000 | -55.0% | 102,101 | $2.69M | Q2 2026 | Aug 14, 2026 |
| Ikarian Capital, Llc | Sell | -107,662 | -20.9% | 407,338 | $10.75M | Q2 2026 | Aug 14, 2026 |
| Saturn V Capital Management Lp | Buy | +93,830 | +105.4% | 182,829 | $4.82M | Q2 2026 | Aug 14, 2026 |
| Orbimed Advisors Llc | Buy | +90,352 | +53.9% | 257,852 | $6.80M | Q2 2026 | Aug 14, 2026 |
| Awm Investment Company, Inc. | Sell | -90,000 | -52.9% | 80,000 | $2.11M | Q2 2026 | Aug 14, 2026 |
| Two Sigma Investments, Lp | Sell | -68,800 | -31.8% | 147,299 | $3.89M | Q2 2026 | Aug 14, 2026 |
| Charles Schwab Investment Management Inc | Buy | +63,565 | +373.5% | 80,583 | $2.13M | Q2 2026 | Aug 14, 2026 |
| Armistice Capital, Llc | Sell | -48,000 | -5.3% | 864,000 | $22.80M | Q2 2026 | Aug 14, 2026 |
| Boothbay Fund Management, Llc | Sell | -33,070 | -23.7% | 106,234 | $2.80M | Q2 2026 | Aug 14, 2026 |
| Alliancebernstein L.P. | Buy | +27,300 | — | 27,300 | $613.70K | Q2 2026 | Aug 14, 2026 |
| Wells Fargo & Company/Mn | Buy | +25,513 | +3229.5% | 26,303 | $694.14K | Q2 2026 | Aug 14, 2026 |
| Metlife Investment Management, Llc | Buy | +15,644 | — | 15,644 | $412.85K | Q2 2026 | Aug 14, 2026 |
| Invesco Ltd. | Buy | +14,255 | — | 14,255 | $376.19K | Q2 2026 | Aug 14, 2026 |
| Price T Rowe Associates Inc | Sell | -12,929 | -3.5% | 358,279 | $9.46M | Q2 2026 | Aug 14, 2026 |
| Mirae Asset Global Etfs Holdings Ltd. | Buy | +12,009 | — | 12,009 | $316.92K | Q2 2026 | Aug 14, 2026 |
| Barclays Plc | Sell | -11,718 | -46.8% | 13,318 | $351.46K | Q2 2026 | Aug 14, 2026 |
| Wellington Management Group Llp | Buy | +11,114 | +18.6% | 70,913 | $1.87M | Q2 2026 | Aug 14, 2026 |
Frequently asked questions about ANRO activity
Which institutional owners are buying ANRO?
Institutional owners buying ANRO include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in ANRO activity?
"Buy" means an investor increased their reported position in ANRO compared to the prior reporting period. This reflects growing exposure to ALTO NEUROSCIENCE INC (ANRO) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in ANRO increasing?
Institutional interest in ANRO can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.
Related ANRO Institutional Insights
- ANRO Overview
- ANRO 13F Institutional Holders
- ANRO Top Institutional Shareholders
- Healthcare Sector Institutional Ownership
- Healthcare Sector Portfolio Overlap
- Institutional Portfolio Overlap & Shared Holdings
- Most Bought Healthcare Stocks By Institutional Investors
- Most Sold Healthcare Stocks By Institutional Investors
- ANRO Insider Trading & SEC Form 4 Activity
- ANRO Articles
- Top Institutional Investor Stock Rankings