59% buyers of institutions opening or closing positions this quarter
7 more new buyers than exits, ownership rose 29.29 percentage points vs the prior quarter, and no widely-followed fund managers in the top 25.
59% buyers of institutions opening or closing positions this quarter
84.8% institutional ownership
Matrix Capital Management portfolio allocation
Institutional ownership vs Biotechnology peers
No Form 4 insider transactions on file
Latest positioning in AURA across 13F flow, ownership shift, marquee holders, and holder-count growth.
Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in AURA held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | Matrix Capital Management Company, LP | 6.9M | $46.3M | 0.0% | 10.783% | 100.00% |
| 2 | Frazier Life Sciences Management, L.P. | 5.1M | $34.1M | 0.0% | 7.944% | 0.88% |
| 3 | ADAGE CAPITAL PARTNERS GP, L.L.C. | 4.9M | $32.7M | 0.0% | 7.603% | 0.05% |
| 4 | Long Focus Capital Management, LLC | 4.6M | $30.9M | 0.0% | 7.196% | 0.81% |
| 5 | SUVRETTA CAPITAL MANAGEMENT, LLC | 4.4M | $29.3M | 0.0% | 6.811% | 0.75% |
| 6 | BlackRock, Inc. | 3.6M | $24.0M | +0.7% | 5.587% | 0.00% |
| 7 | Medicxi Ventures Management (Jersey) Ltd | 3.0M | $20.3M | 0.0% | 4.735% | 2.07% |
| 8 | VANGUARD CAPITAL MANAGEMENT LLC | 2.2M | $15.0M | — | 3.495% | 0.00% |
| 9 | Nantahala Capital Management, LLC | 2.1M | $14.2M | 0.0% | 3.299% | 0.52% |
| 10 | FRANKLIN RESOURCES INC | 2.1M | $13.9M | -5.7% | 3.229% | 0.00% |
| 11 | GEODE CAPITAL MANAGEMENT, LLC | 1.3M | $8.8M | +4.4% | 2.042% | 0.00% |
| 12 | MILLENNIUM MANAGEMENT LLC | 1.1M | $7.3M | +77.8% | 1.710% | 0.00% |
| 13 | STATE STREET CORP | 965K | $6.5M | +4.1% | 1.503% | 0.00% |
| 14 | LEVIN CAPITAL STRATEGIES, L.P. | 941K | $6.3M | -9.1% | 1.466% | 0.48% |
| 15 | B Group, Inc. | 598K | $4.0M | +4.4% | 0.931% | 2.96% |
| 16 | ACORN CAPITAL ADVISORS, LLC | 596K | $4.0M | 0.0% | 0.928% | 1.13% |
| 17 | DIMENSIONAL FUND ADVISORS LP | 558K | $3.7M | +7.8% | 0.869% | 0.00% |
| 18 | BALYASNY ASSET MANAGEMENT LLC | 558K | $3.7M | — | 0.869% | 0.00% |
| 19 | Regency Capital Management Inc.\DE | 532K | $3.6M | -1.1% | 0.829% | 1.59% |
| 20 | NORTHERN TRUST CORP | 431K | $2.9M | +4.3% | 0.671% | 0.00% |
| 21 | VANGUARD FIDUCIARY TRUST CO | 397K | $2.7M | — | 0.619% | 0.00% |
| 22 | VANGUARD PORTFOLIO MANAGEMENT LLC | 391K | $2.6M | — | 0.610% | 0.00% |
| 23 | Caligan Partners LP | 230K | $1.5M | — | 0.358% | 0.10% |
| 24 | MORGAN STANLEY | 224K | $1.5M | +2.6% | 0.349% | 0.00% |
| 25 | GOLDMAN SACHS GROUP INC | 179K | $1.2M | +27.7% | 0.278% | 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 AURA — a direct measure of their conviction.
Filings activity in AURA during Q1 2026, grouped by how each filer changed its position.
Institutions that opened a new AURA position in Q1 2026
Institutions that fully closed their AURA position in Q1 2026
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 | 124 | +6.0% | 84.80% | +29.29 pp | $338M | +25% |
| Q4 2025 | 117 | +13% | 55.51% | 9.14 pp | $271M | 14% |
| Q3 2025 | 104 | 1.9% | 64.65% | +0.57 pp | $316M | +0.9% |
| Q2 2025 | 106 | +13% | 64.08% | +7.25 pp | $313M | +38% |
| Q1 2025 | 94 | +0.0% | 56.83% | 8.38 pp | $227M | 29% |
| Q4 2024 | 94 | +16% | 65.21% | 1.06 pp | $319M | 1.6% |
| Q3 2024 | 81 | +9.5% | 66.27% | +9.51 pp | $324M | +17% |
| Q2 2024 | 74 | — | 56.76% | — | $277M | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
No recent Form 4 insider transactions on file for AURA.
Quick answers to the most common questions about buying AURA stock.
Based on Q1 2026 13F filings, institutional ownership of Aura Biosciences, Inc. stands at 84.8%, held across 124 reporting institutions.
Matrix Capital Management Company, LP is the largest reported institutional holder of AURA, with approximately 6,922,870 shares worth $0.05B as of Q1 2026.
No marquee "smart money" managers (Berkshire, Burry, ARK, Tiger Global, Pershing Square, Baupost, etc.) currently appear among the top 25 institutional holders of AURA.
Our composite Smart Money Score for AURA is 50 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
22 institutions opened new positions in AURA during Q1 2026, while 15 fully exited. 77 added to existing positions and 23 trimmed.
AURA institutional ownership rose by 29.29 percentage points quarter-over-quarter, with a net change of +7 holders.
The top 10 institutions account for 77.1% of all reported 13F value in AURA, and the top 25 account for 94.9%.
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.