| 0.08% |
| 4 | Shay Capital LLC | 1.5M | $948K | -9.5% | 4.217% | 0.06% |
| 5 | Deeter Investments LLP | 1.0M | $651K | — | 2.895% | 0.09% |
| 6 | T3 Companies, LLC | 945K | $615K | 0.0% | 2.736% | 0.66% |
| 7 | BRAIDWELL LP | 916K | $596K | 0.0% | 2.652% | 0.02% |
| 8 | KVP Capital Advisors, LP | 501K | $326K | 0.0% | 1.449% | 0.24% |
| 9 | CITADEL ADVISORS LLC | 468K | $305K | -8.9% | 1.356% | 0.00% |
| 10 | TWO SIGMA INVESTMENTS, LP | 439K | $286K | +2.9% | 1.270% | 0.00% |
| 11 | Ikarian Capital, LLC | 265K | $172K | 0.0% | 0.767% | 0.02% |
| 12 | VANGUARD CAPITAL MANAGEMENT LLC | 265K | $172K | 0.0% | 0.766% | 0.00% |
| 13 | GEODE CAPITAL MANAGEMENT, LLC | 258K | $168K | -20.0% | 0.747% | 0.00% |
| 14 | VANGUARD FIDUCIARY TRUST CO | 183K | $119K | 0.0% | 0.531% | 0.00% |
| 15 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 119K | $77K | +105.9% | 0.344% | 0.00% |
| 16 | Rangeley Capital, LLC | 113K | $74K | -4.2% | 0.327% | 0.07% |
| 17 | XTX Topco Ltd | 79K | $51K | -50.3% | 0.228% | 0.00% |
| 18 | SUPERSTRING CAPITAL MANAGEMENT LP | 61K | $40K | — | 0.177% | 0.03% |
| 19 | UBS Group AG | 59K | $38K | -67.4% | 0.170% | 0.00% |
| 20 | STALEY CAPITAL ADVISERS INC | 51K | $33K | 0.0% | 0.149% | 0.00% |
| 21 | BlackRock, Inc. | 44K | $29K | 0.0% | 0.129% | 0.00% |
| 22 | NORTHERN TRUST CORP | 44K | $28K | +89.0% | 0.126% | 0.00% |
| 23 | JANE STREET GROUP, LLC | 41K | $27K | -57.2% | 0.119% | 0.00% |
| 24 | TWO SIGMA SECURITIES, LLC | 41K | $26K | — | 0.118% | 0.00% |
| 25 | RENAISSANCE TECHNOLOGIES LLC | 23K | $15K | +34.7% | 0.068% | 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 YARW — a direct measure of their conviction.
| 21.63% |
| +0.64 pp |
| $11M |
| 51% |
| Q4 2024 | 35 | +6.1% | 20.99% | 1.87 pp | $23M | +64% |
| Q3 2024 | 33 | — | 22.86% | — | $14M | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
5 institutions opened new positions in YARW during Q2 2026, while 3 fully exited. 29 added to existing positions and 8 trimmed.
YARW institutional ownership rose by 3.79 percentage points quarter-over-quarter, with a net change of +2 holders.
The top 10 institutions account for 87.7% of all reported 13F value in YARW, and the top 25 account for 99.5%.
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.
Yarrow Bioscience Inc (YARW) Institutional Ownership