Aura Biosciences, Inc. - Common Stock, par value $0.00001 per share (AURA)

Q: What does CUSIP 05153U107 represent in this 13F holders report?

CUSIP 05153U107 is the security identifier for AURA - Aura Biosciences, Inc. - Common Stock, par value $0.00001 per share used to aggregate holder disclosures.

Q: How many institutions held AURA - Aura Biosciences, Inc. - Common Stock, par value $0.00001 per share in Q1 2023?

57 institutional investors reported AURA - Aura Biosciences, Inc. - Common Stock, par value $0.00001 per share for Q1 2023. Use the holders table for investor-level position and value details.

CUSIP: 05153U107

Q1 2023 13F Holders as of 31 Mar 2023

Security type / class: Equity / Common Stock, par value $0.00001 per share
Total 13F shares: 25,069,599
Total 13F value: $232,645,346
Share change: +1,262,781
SEC-reported price per share: $9.28
Number of holders: 57
Value change: +$10,922,124
Number of buys: 38
Number of sells: 18
Shares outstanding: 102,550,724

Security key

05153U107

Report period

Q1 2023

Institutions

Top holders

AURA full security history Ownership snapshot Full 13F holder table Newer quarter: Q3 2025 Aura Biosciences, Inc. SEC filings Aura Biosciences, Inc. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP 05153U107

Newer quarter: Q3 2025

Recent filing periods:

Q3 2026 Q4 2025 Q3 2025

Ownership snapshot

Top reported holders of AURA - Aura Biosciences, Inc. - Common Stock, par value $0.00001 per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

Medicxi Ventures Manageme...

Disclosed value leader

Matrix Capital Management...

Comparable rows

0/15

Latest evidence

31 Dec 2022

13F 3/4/5 Highest disclosed value: $56,310,135 15 rows are not safely comparable across share classes. Showing 1-6 of 15 holder rows.

Quick read

Matrix Capital Management Company, LP has the largest disclosed position value at $56.31M.

0 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens Matrix Capital Management Company, LP's linked filing trail.

Disclosed position value Top 5

Medicxi Ventures Management (Jers... $31.92M

Matrix Capital Management Company... $56.31M

CITADEL ADVISORS LLC $28.74M

EVENTIDE ASSET MANAGEMENT, LLC $23.64M

ADAGE CAPITAL PARTNERS GP, L.L.C. $22.39M

Value bars compare disclosed positions; verify each figure against the linked filing evidence.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
Medicxi Ventures Management (Jersey) Ltd	13F 3/4/5 Company · 10%+ Owner 13F 3/4/5	— denominator unverified	$31,918,866 3,039,892 shares	—	31 Dec 2022
Matrix Capital Management Company, LP	13F Company 13F	— denominator unverified	$56,310,135 5,362,870 shares	—	31 Dec 2022
CITADEL ADVISORS LLC	13F Company 13F	— denominator unverified	$28,739,057 2,737,053 shares	—	31 Dec 2022
EVENTIDE ASSET MANAGEMENT, LLC	13F Company 13F	— denominator unverified	$23,639,364 2,251,368 shares	—	31 Dec 2022
ADAGE CAPITAL PARTNERS GP, L.L.C.	13F Company 13F	— denominator unverified	$22,393,760 2,132,739 shares	—	31 Dec 2022
BlackRock Finance, Inc.	13F Company 13F	— denominator unverified	$11,057,835 1,053,127 shares	—	31 Dec 2022

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q1 2023

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

25,069,599

Rows available

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q1 2023 vs Q4 2025 Across Filers

Q4 2025 holders

116

Q1 2023 holders

Holder diff

-59

Investor	Q4 2025 Shares	Q1 2023 Shares	Share Diff	Share Chg %	Q4 2025 value	Q1 2023 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend