ALAB Astera Labs, Inc.: institutional ownership and insider trading
1,045 funds reported holding $75.7B of Astera Labs, Inc. in their latest 13F filings; in Q2 2026 funds net bought $5.51B, with 366 new positions and 81 funds selling out; over the last 12 months insiders bought $0 and sold $784M on the open market.
Famous investors holding ALAB
- Lee Ainslie (Maverick Capital): $515M, 4.6% of the portfolio
- Ken Griffin (Citadel Advisors): $1.88B, 0.2% of the portfolio
- D. E. Shaw (D. E. Shaw & Co.): $471M, 0.2% of the portfolio
- Izzy Englander (Millennium Management): $393M, 0.1% of the portfolio
- Renaissance Technologies (Renaissance Technologies): $74.1M, 0.1% of the portfolio
- Two Sigma (Two Sigma Investments): $75.8M, 0.1% of the portfolio
- Ray Dalio (Bridgewater Associates): $479K, 0.0% of the portfolio
Largest institutional holders of ALAB
- FMR LLC — $12.0B
- BlackRock, Inc. (BLK) — $6.61B
- VANGUARD PORTFOLIO MANAGEMENT LLC — $3.81B
- SUSQUEHANNA INTERNATIONAL GROUP, LLP — $3.41B
- VANGUARD CAPITAL MANAGEMENT LLC — $3.25B
- Banque Cantonale Vaudoise — $2.68B
- Invesco Ltd. (IVZ) — $2.37B
- VANGUARD GROUP INC — $2.30B
- JANE STREET GROUP, LLC — $2.12B
- CITADEL ADVISORS LLC — $1.88B
Recent ALAB insider trades
- Oct 7, 2026: Dyckerhoff Stefan A sold 12,499 shares ($4.70M)
- Sep 2, 2026: Dyckerhoff Stefan A sold 12,499 shares ($3.44M)
- Sep 1, 2026: Alba Manuel sold 183,000 shares ($51.3M)
- Aug 17, 2026: Mohan Jitendra sold 90,630 shares ($30.8M)
Members of Congress trading ALAB
- Feb 27, 2025: Robert P. Bresnahan, Jr. sold $1.00K–$15.0K
- Feb 18, 2025: Robert P. Bresnahan, Jr. sold $1.00K–$15.0K
5%+ owners
- FMR LLC: 9.1% (Schedule 13G/A, filed Oct 7, 2026)
- BlackRock, Inc.: 7.4% (Schedule 13G/A, filed Jul 27, 2026)