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Aura Biosciences, Inc.

AURA
Exchange
Nasdaq
Industry
Biological Products, (No Diagnostic Substances)
SEC CIK
0001501796

No open-market purchases or sales by Aura Biosciences, Inc. insiders were filed in the last 90 days; 146 institutions reported holding it in 13F filings for Q2 2026, worth $677.2M in total; no superinvestor holds it.

13F holders, Q4 2025

Institutional positions in Aura Biosciences, Inc. as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
117
+11 vs. Q3 2025
Shares held
50.2M
−1.41M (−2.7%) vs. Q3 2025
Total value
$273.8M
−$45.4M (−14.2%) vs. Q3 2025
New holders
19
34 more added
Sold out
8
38 more reduced

Compare with Q3 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting AURA on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ4 2025: 117 institutions
Q1 2021: 0 institutionsQ2 2021: 0 institutionsQ3 2021: 0 institutionsQ4 2021: 32 institutionsQ1 2022: 34 institutionsQ2 2022: 44 institutionsQ3 2022: 43 institutionsQ4 2022: 49 institutionsQ1 2023: 57 institutionsQ2 2023: 59 institutionsQ3 2023: 64 institutionsQ4 2023: 72 institutionsQ1 2024: 78 institutionsQ2 2024: 75 institutionsQ3 2024: 81 institutionsQ4 2024: 94 institutionsQ1 2025: 94 institutionsQ2 2025: 105 institutionsQ3 2025: 106 institutionsQ4 2025: 117 institutionsQ1 2026: 126 institutionsQ2 2026: 146 institutions
Value heldQ4 2025: $273.8M
Q1 2021: $0Q2 2021: $0Q3 2021: $0Q4 2021: $220.1MQ1 2022: $298.8MQ2 2022: $223.8MQ3 2022: $295.7MQ4 2022: $250.0MQ1 2023: $232.6MQ2 2023: $334.4MQ3 2023: $254.4MQ4 2023: $327.8MQ1 2024: $307.1MQ2 2024: $300.4MQ3 2024: $329.2MQ4 2024: $324.3MQ1 2025: $231.5MQ2 2025: $316.9MQ3 2025: $319.2MQ4 2025: $273.8MQ1 2026: $340.3MQ2 2026: $677.2M
Institutions holding AURA and their total value by quarter
QuarterHoldersValue
Q2 2026146$677.2M
Q1 2026126$340.3M
Q4 2025117$273.8M
Q3 2025106$319.2M
Q2 2025105$316.9M
Q1 202594$231.5M
Q4 202494$324.3M
Q3 202481$329.2M
Q2 202475$300.4M
Q1 202478$307.1M
Q4 202372$327.8M
Q3 202364$254.4M
Q2 202359$334.4M
Q1 202357$232.6M
Q4 202249$250.0M
Q3 202243$295.7M
Q2 202244$223.8M
Q1 202234$298.8M
Q4 202132$220.1M
Q3 20210$0
Q2 20210$0
Q1 20210$0

Institutions, Q4 2025

Shares, value and share of portfolio for each institution holding Aura Biosciences, Inc.; share changes are against Q3 2025.

Institutions holding AURA in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Regency Capital Management Inc.538,584$2.94M1.22%−74,105−12.1%Reduced
B Group, Inc.572,576$3.12M2.31%00.0%Unchanged
Acorn Capital Advisors, LLC595,744$3.25M1.10%00.0%Unchanged
Millennium Management LLC617,338$3.36M0.00%+432,117+233.3%Added
State Street Corp926,534$5.05M0.00%+47,663+5.4%Added
Levin Capital Strategies, L.P.1,035,586$5.64M0.49%−591,688−36.4%Reduced
Geode Capital Management, LLC1,255,450$6.85M0.00%−2,497−0.2%Reduced
Nantahala Capital Management, LLC2,117,697$11.5M0.69%00.0%Unchanged
Franklin Resources Inc2,198,423$12.0M0.00%−4920.0%Reduced
Vanguard Group Inc2,936,538$16.0M0.00%+46,035+1.6%Added
Medicxi Ventures Management (Jersey) Ltd3,039,892$16.6M1.98%00.0%Unchanged
BlackRock, Inc.3,560,424$19.4M0.00%+154,947+4.5%Added
Suvretta Capital Management, LLC4,372,884$23.8M0.59%00.0%Unchanged
Long Focus Capital Management, LLC4,619,582$25.2M1.25%00.0%Unchanged
Adage Capital Partners GP, L.L.C.4,881,125$26.6M0.04%00.0%Unchanged
Frazier Life Sciences Management, L.P.5,100,000$27.8M0.75%00.0%Unchanged
Matrix Capital Management Company, LP6,922,870$37.7M65.48%00.0%Unchanged
Samsara BioCapital, LLC0$00.00%−584,849−100.0%Sold out
Caligan Partners LP0$00.00%−227,174−100.0%Sold out
HighVista Strategies LLC0$00.00%−27,174−100.0%Sold out
Dynamic Technology Lab Private Ltd0$00.00%−25,356−100.0%Sold out
Occudo Quantitative Strategies LP0$00.00%−19,472−100.0%Sold out
Water Island Capital LLC0$00.00%−10,372−100.0%Sold out
Quadrant Capital Group LLC0$00.00%−87−100.0%Sold out
Nisa Investment Advisors, LLC0$00.00%−36−100.0%Sold out