Company · Ownership research

Aura Biosciences, Inc. AURA

CIK 0001501796 · CUSIP 05153U107

Insider trading Initial holdings Institutional holders

Quarter-end disclosures, not live holdings.

Several CUSIPs are reported for this company; this page shows CUSIP 05153U107 (AURA), not CUSIP 05153U907 (AURA), and does not merge CUSIPs.

This page lists the top 20 of 117 rows by value; the complete set is available through the API.

Some filings reported values in thousands; those figures were scaled ×1,000 to dollars.

Top 20 institutions

Weight means this stock's share of the manager's own portfolio.

By reported value

#	Manager	Value	Manager weight	Change vs prior	Source
01	Matrix Capital Management Company, LP CIK 1410830 · View history	$37.73M 6,922,870 shares	65.48%	0(0.00%)Unchanged	SEC filing ↗ Feb 13, 2026	▾
02	Frazier Life Sciences Management, L.P. CIK 1892134 · View history	$27.80M 5,100,000 shares	0.75%	0(0.00%)Unchanged	SEC filing ↗ Feb 13, 2026	▾
03	ADAGE CAPITAL PARTNERS GP, L.L.C. CIK 1165408 · View history	$26.60M 4,881,125 shares	0.04%	0(0.00%)Unchanged	SEC filing ↗ Feb 17, 2026	▾
04	Long Focus Capital Management, LLC CIK 1602716 · View history	$25.18M 4,619,582 shares	1.25%	0(0.00%)Unchanged	SEC filing ↗ Feb 17, 2026	▾
05	SUVRETTA CAPITAL MANAGEMENT, LLC CIK 1569064 · View history	$23.83M 4,372,884 shares	0.59%	0(0.00%)Unchanged	SEC filing ↗ Feb 17, 2026	▾
06	BlackRock, Inc. CIK 2012383 · View history	$19.40M 3,560,424 shares	0.00%	+154.95K(+4.50%)Added	SEC filing ↗ Feb 12, 2026	▾
07	Medicxi Ventures Management (Jersey) Ltd CIK 1715579 · View history	$16.57M 3,039,892 shares	1.98%	0(0.00%)Unchanged	SEC filing ↗ Jan 23, 2026	▾
08	VANGUARD GROUP INC CIK 102909 · View history	$16.00M 2,936,538 shares	0.00%	+46.03K(+1.60%)Added	SEC filing ↗ Jan 29, 2026	▾
09	FRANKLIN RESOURCES INC CIK 38777 · View history	$11.98M 2,198,423 shares	0.00%	-492(0.00%)Reduced	SEC filing ↗ Feb 11, 2026	▾
10	Nantahala Capital Management, LLC CIK 1472322 · View history	$11.54M 2,117,697 shares	0.69%	0(0.00%)Unchanged	SEC filing ↗ Feb 13, 2026	▾
11	GEODE CAPITAL MANAGEMENT, LLC CIK 1214717 · View history	$6.85M 1,255,450 shares	0.00%	-2.50K(-0.20%)Reduced	SEC filing ↗ Feb 9, 2026	▾
12	LEVIN CAPITAL STRATEGIES, L.P. CIK 1354821 · View history	$5.64M 1,035,586 shares	0.49%	-591.69K(-36.40%)Reduced	SEC filing ↗ Jan 30, 2026	▾
13	STATE STREET CORP CIK 93751 · View history	$5.05M 926,534 shares	0.00%	+47.66K(+5.40%)Added	SEC filing ↗ Feb 13, 2026	▾
14	MILLENNIUM MANAGEMENT LLC CIK 1273087 · View history	$3.36M 617,338 shares	0.00%	+432.12K(+233.30%)Added	SEC filing ↗ Feb 17, 2026	▾
15	ACORN CAPITAL ADVISORS, LLC CIK 2054410 · View history	$3.25M 595,744 shares	1.10%	0(0.00%)Unchanged	SEC filing ↗ Feb 17, 2026	▾
16	B Group, Inc. CIK 2043476 · View history	$3.12M 572,576 shares	2.31%	0(0.00%)Unchanged	SEC filing ↗ Feb 17, 2026	▾
17	Regency Capital Management Inc.\DE CIK 1863894 · View history	$2.94M 538,584 shares	1.22%	-74.11K(-12.10%)Reduced	SEC filing ↗ Feb 11, 2026	▾
18	DIMENSIONAL FUND ADVISORS LP CIK 354204 · View history	$2.82M 517,916 shares	0.00%	+20.64K(+4.20%)Added	SEC filing ↗ Feb 12, 2026	▾
19	PRICE T ROWE ASSOCIATES INC /MD/ CIK 80255 · View history	$2.42M 442,789 shares	0.00%	-38.44K(-8.00%)Reduced	SEC filing ↗ Feb 17, 2026	▾
20	NORTHERN TRUST CORP CIK 73124 · View history	$2.25M 412,809 shares	0.00%	-20.83K(-4.80%)Reduced	SEC filing ↗ Feb 17, 2026	▾

Showing 20 / 117 institutions. The complete set is available through the API.

Coverage & totals by quarter

Reporting institutions

117

Cancelled or null records excluded

Disclosed shares

50,234,954

Not deduplicated across managers

Disclosed value

$273.79M

Not market cap or free float

Reporting institutions by quarter

Counts also change with data coverage and reporting entities; they do not measure net buying. Distinct managers with a live stock row in this CUSIP; totals may include overlapping filings and are not a share of the company.

Aura Biosciences, Inc. · Q4 2025

Explore all 117 reporting institutions.

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Figures are as reported to the SEC and merged with later amendments where Akkru could match them. Preview limits apply to what is listed, not to the totals, which come from the complete reported data. Nothing is zero-filled: a missing quarter or month is shown as missing.