Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in ALGS held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | Deep Track Capital, LP | 444K | $3.3M | 0.0% | 7.177% | 0.07% |
| 2 | Alyeska Investment Group, L.P. | 412K | $3.1M | 0.0% | 6.658% | 0.01% |
| 3 | Sio Capital Management, LLC | 327K | $2.4M | -2.6% | 5.288% | 0.35% |
| 4 | MARSHALL WACE, LLP | 267K | $2.0M | -0.6% | 4.317% | 0.00% |
| 5 | BANK OF AMERICA CORP /DE/ | 230K | $1.7M | +1652.8% | 3.713% | 0.00% |
| 6 | VANGUARD CAPITAL MANAGEMENT LLC | 178K | $1.3M | — | 2.881% | 0.00% |
| 7 | Woodline Partners LP | 177K | $1.3M | -38.7% | 2.866% | 0.00% |
| 8 | SummitTX Capital, L.P. | 149K | $1.1M | +6.7% | 2.405% | 0.03% |
| 9 | RENAISSANCE TECHNOLOGIES LLC | 100K | $746K | +17.6% | 1.623% | 0.00% |
| 10 | BAKER BROS. ADVISORS LP | 83K | $617K | 0.0% | 1.342% | 0.00% |
| 11 | HHLR ADVISORS, LTD. | 76K | $567K | 0.0% | 1.232% | 0.03% |
| 12 | CITADEL ADVISORS LLC | 54K | $404K | +4.8% | 0.878% | 0.00% |
| 13 | LPL Financial LLC | 52K | $383K | -22.0% | 0.832% | 0.00% |
| 14 | GEODE CAPITAL MANAGEMENT, LLC | 50K | $371K | +4.7% | 0.808% | 0.00% |
| 15 | UBS Group AG | 37K | $275K | +10081.6% | 0.599% | 0.00% |
| 16 | VANGUARD FIDUCIARY TRUST CO | 28K | $211K | — | 0.460% | 0.00% |
| 17 | TWO SIGMA INVESTMENTS, LP | 23K | $172K | -71.4% | 0.373% | 0.00% |
| 18 | Verition Fund Management LLC | 19K | $140K | -73.5% | 0.305% | 0.00% |
| 19 | XTX Topco Ltd | 14K | $105K | -38.4% | 0.229% | 0.00% |
| 20 | BlackRock, Inc. | 13K | $97K | 0.0% | 0.211% | 0.00% |
| 21 | D. E. Shaw & Co., Inc. | 11K | $82K | — | 0.177% | 0.00% |
| 22 | Quadrature Capital Ltd | 11K | $80K | — | 0.175% | 0.00% |
| 23 | Rockefeller Capital Management L.P. | 10K | $74K | 0.0% | 0.162% | 0.00% |
| 24 | Golden State Wealth Management, LLC | 3K | $20K | 0.0% | 0.043% | 0.00% |
| 25 | ROYAL BANK OF CANADA | 2K | $16K | 0.0% | 0.034% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in ALGS — a direct measure of their conviction.
Filings activity in ALGS during Q1 2026, grouped by how each filer changed its position.
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 34 | 15% | 63.09% | 16.42 pp | $21M | 21% |
| Q4 2025 | 40 | +14% | 79.51% | 0.03 pp | $26M | 0.0% |
| Q3 2025 | 35 | 7.9% | 79.54% | +19.81 pp | $26M | +33% |
| Q2 2025 | 38 | +5.6% | 59.73% | 23.21 pp | $20M | 28% |
| Q1 2025 | 36 | +2.9% | 82.94% | 114.26 pp | $27M | 58% |
| Q4 2024 | 35 | +25% | 197.20% | +153.18 pp | $64M | +348% |
| Q3 2024 | 28 | 43% | 44.02% | 5.42 pp | $14M | 11% |
| Q2 2024 | 49 | — | 49.44% | — | $16M | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying ALGS stock.
Based on Q1 2026 13F filings, institutional ownership of Aligos Therapeutics, Inc. stands at 63.1%, held across 34 reporting institutions.
Deep Track Capital, LP is the largest reported institutional holder of ALGS, with approximately 444,110 shares worth $0.00B as of Q1 2026.
Yes — 3 widely-followed marquee investors appear among the top 25 institutional holders of ALGS, including RENAISSANCE TECHNOLOGIES LLC, CITADEL ADVISORS LLC, TWO SIGMA INVESTMENTS, LP.
Our composite Smart Money Score for ALGS is 43 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
7 institutions opened new positions in ALGS during Q1 2026, while 13 fully exited. 3 added to existing positions and 24 trimmed.
ALGS institutional ownership fell by 16.42 percentage points quarter-over-quarter, with a net change of -6 holders.
The top 10 institutions account for 85.4% of all reported 13F value in ALGS, and the top 25 account for 99.9%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Aligos Therapeutics, Inc. (ALGS) Institutional Ownership