SCHEDULE Filed 2025-05-19 Event 2025-05-16 SEC 0000902664-25-002479 →

Matrix Capital Management Company, LP → Aura Biosciences, Inc. AURA

Stake: 11.17% Shares: 6,922,870 CUSIP: 05153U107 Class: Common Stock, par value $0.00001 per share

Composite Decision Signal · PASS (LOW BASE-RATE EDGE) Conviction Score: 40/100 · Filer 90d Win Rate: 50% · Hist. 90d Edge: +8.8%

Filer track record (3 filings): 50% 90d win rate, +8.8% 90d edge
High conviction ownership stake (11.2%)
Held by 1 tracked 13F institutional manager
10 NPORT-P mutual funds holding CUSIP
Elevated short days-to-cover (10.6 DTC)

Item 4 — Purpose of Transaction

Not extracted from this filing — typically because it's an amendment (13D/A) and Item 4 is unchanged from the parent filing. Read the raw SEC filing →

Cross-References

Insider Activity (last 365d)

0 transactions

0 buys · 0 sales · 0 awards/exercises

Issuer Cluster

4 13D/G filings on this issuer

3 other filings besides this one

Filer Track Record

4 filings by this filer

3 other filings in the data moat

Short Interest · settle 2026-10-15

DTC 10.63

10,885,962 shares short · +5.0% vs prior

Institutional Consensus · 2025-12-31

Held by elite portfolio managers

1 holder · $298K

Point72 Asset Mgmt

Post-Filing Returns · since 2025-05-16 on AURA

+1 day

-0.5%

+5 days

+0.2%

+30 days

+7.6%

+60 days

+10.3%

+90 days

+17.6%

+180 days

-6.4%

Anchor price 5.95 on closest trading day on/after 2025-05-16. Source: Yahoo Finance daily adj_close (split + dividend adjusted).

Other 13D/G Filings on Aura Biosciences, Inc.

Filed	Form	Filer	Stake	Shares
2026-10-27	SCHEDULE 13G	BlackRock, Inc.	—	—	view →
2026-10-01	SCHEDULE 13G	ForGrowth III PA B.V.	—	—	view →
2026-05-11	SCHEDULE 13D/A	Matrix Capital Management Company, LP	—	0	view →

Other Filings by Matrix Capital Management Company, LP

Filed	Form	Issuer	Stake	Shares
2026-05-11	SCHEDULE 13D/A	Aura Biosciences, Inc. AURA	—	0	view →
2026-01-02	SCHEDULE	Zentalis Pharmaceuticals, Inc. ZNTL	—	—	view →
2023-06-20	SC	Zentalis Pharmaceuticals, Inc. ZNTL	—	—	view →

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