13D·WATCH Activist + Insider Intelligence Live feed Blog About Pricing
SCHEDULE 13D/A Filed 2026-05-11 Event 2026-05-07 SEC 0000950142-26-001345 →

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

Stake: — Shares: 0 Class: Common Stock, par value $0.00001 per share

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
3 13D/G filings on this issuer
2 other filings besides this one
Filer Track Record
4 filings by this filer
3 other filings in the data moat
Short Interest · settle 2026-09-30
DTC 9.23
10,366,122 shares short · +47.0% vs prior

Institutional Consensus · 2025-12-31

Held by elite portfolio managers
1 holder · $298K
Point72 Asset Mgmt

Post-Filing Returns · since 2026-05-07 on AURA

+1 day
+2.4%
+5 days
-3.3%
+30 days
-21.0%
+60 days
-13.5%
+90 days
—
+180 days
—

Anchor price 8.20 on closest trading day on/after 2026-05-07. Source: Yahoo Finance daily adj_close (split + dividend adjusted).

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

FiledFormFilerStakeShares
2026-10-01 SCHEDULE 13G ForGrowth III PA B.V. — — view →
2025-05-19 SCHEDULE Matrix Capital Management Company, LP 11.17% 6,922,870 view →

Other Filings by Matrix Capital Management Company, LP

FiledFormIssuerStakeShares
2026-01-02 SCHEDULE Zentalis Pharmaceuticals, Inc. ZNTL — — view →
2025-05-19 SCHEDULE Aura Biosciences, Inc. AURA 11.17% 6,922,870 view →
2023-06-20 SC Zentalis Pharmaceuticals, Inc. ZNTL — — view →

Want this depth on every filing the moment it hits SEC EDGAR?

Full feed access · API · daily intelligence brief · custom alerts. From $49/mo.

See pricing →