Who owns Astera Labs?What is institutional ownership? Institutional ownership is the share of a company's stock held by funds, banks and other investment managers, as they report it each quarter on Form 13F.
Institutions own 75.3% of Astera Labs's shares, through 1,070 funds, banks and other managers that report their holdings to the SEC; individual investors and others hold the rest. The largest on 30 June 2026 were FMR LLC (14.5%), BlackRock, Inc. (8.0%), Vanguard Portfolio Management LLC (4.6%).
- Institutions ownWhat is institutional ownership? Institutional ownership is the share of a company's stock held by funds, banks and other investment managers, as they report it each quarter on Form 13F.
- 75.3%
- Institutional holders
- 1,070
- The 10 largest hold
- 43.0%
- Free floatWhat is free float? Free float is the part of a company's shares that anyone can buy and sell: all its shares minus those held by insiders, founders and owners of over 5%.
- 82.3%
- Holdings as of
- 30 Jun 2026
Who owns the shares
Shares free to trade
Closely held shares belong to insiders, founders and owners of more than 5%, and seldom change hands. The free float is the rest: the shares anyone can buy and sell.
The largest shareholders
| # | Holder | Shares | Of the company | Value | Change last quarter (shares) |
|---|---|---|---|---|---|
| 1 | FMR LLC | 24,845,364 | 14.48% | 12.00B USD | -684,521 |
| 2 | BlackRock, Inc. | 13,683,865 | 7.98% | 6.61B USD | +2,234,096 |
| 3 | Vanguard Portfolio Management LLC | 7,887,650 | 4.60% | 3.81B USD | +577,872 |
| 4 | Vanguard Capital Management LLC | 6,727,089 | 3.92% | 3.25B USD | +386,357 |
| 5 | Invesco Ltd. | 4,910,555 | 2.86% | 2.37B USD | +4,540,375 |
| 6 | Susquehanna International Group, LLP | 3,896,100 | 2.27% | 1.88B USD | +97,100 |
| 7 | State Street Corp | 3,678,093 | 2.15% | 1.78B USD | +344,487 |
| 8 | Susquehanna International Group, LLP | 2,890,800 | 1.69% | 1.40B USD | +499,000 |
| 9 | Geode Capital Management, LLC | 2,796,173 | 1.63% | 1.35B USD | +287,909 |
| 10 | Price T Rowe Associates Inc | 2,409,693 | 1.40% | 1.16B USD | +1,791,194 |
| 11 | Van Eck Associates Corp | 2,237,961 | 1.30% | 1.08B USD | +373,545 |
| 12 | Jane Street Group, LLC | 2,218,900 | 1.29% | 1.07B USD | +1,078,600 |
| 13 | Bank Of America Corp | 2,198,235 | 1.28% | 1.06B USD | +410,003 |
| 14 | Jane Street Group, LLC | 2,151,400 | 1.25% | 1.04B USD | -438,300 |
| 15 | Citadel Advisors LLC | 1,968,700 | 1.15% | 950.92M USD | +961,700 |
| 16 | Citadel Advisors LLC | 1,927,200 | 1.12% | 930.88M USD | +929,200 |
| 17 | JPMorgan Chase & Co | 1,775,810 | 1.04% | 809.70M USD | +1,345,421 |
| 18 | Morgan Stanley | 1,686,491 | 0.98% | 814.61M USD | -45,857 |
| 19 | Amundi | 1,591,888 | 0.93% | 768.91M USD | -288,942 |
| 20 | Whale Rock Capital Management LLC | 1,567,882 | 0.91% | 757.32M USD | New position |
| 21 | Norges Bank | 1,434,347 | 0.84% | 692.82M USD | New position |
| 22 | Citigroup Inc | 1,352,136 | 0.79% | 653.11M USD | -160,918 |
| 23 | Rafferty Asset Management, LLC | 1,321,419 | 0.77% | 638.27M USD | +375,913 |
| 24 | Fred Alger Management, LLC | 1,283,840 | 0.75% | 620.12M USD | -1,289,165 |
| 25 | Goldman Sachs Group Inc | 1,234,152 | 0.72% | 596.12M USD | -145,962 |
Famous investors who own Astera Labs
| Investor | Of their portfolio | Shares | Value | Last quarter |
|---|---|---|---|---|
| Renaissance TechnologiesQ3 2026 | 0.28% | 570,800 | 203.19M USD | +272.1%Added |
| Norway's Sovereign Wealth FundQ2 2026 | 0.07% | 1,434,347 | 692.82M USD | +310.2%Added |
| Saudi Central BankQ3 2026 | 0.05% | 14,042 | 5.00M USD | +47.3%Added |
| Ray DalioBridgewater Associates · Q2 2026 | <0.01% | 992 | 479.16K USD | -99.9%Reduced |
| Ken GriffinCitadel · Q2 2026 | — | — | — | Sold out |
From each fund's newest 13F filing with the SEC; a fund's quarter can be newer or older than another's.All famous investors' portfolios
Congress trades in Astera Labs
Over the last 12 months, 0 members bought it (0 trades) and 0 sold it (0 trades).
| Member | Trade | Owner | Amount | Traded | Disclosed | Since the trade | Report |
|---|---|---|---|---|---|---|---|
| RRobert P. Bresnahan, Jr.Representative for Pennsylvania's 8th district | Sold all | — | $1,001 - $15,000 | 27 Feb 2025 | 28 Mar 202529 days later | +192.8% | |
| RRobert P. Bresnahan, Jr.Representative for Pennsylvania's 8th district | Sold all | — | $1,001 - $15,000 | 18 Feb 2025 | 11 Mar 202521 days later | +137.6% |
Members of Congress must report a trade over $1,000 within 45 days, its amount as a range. A trade by a spouse or child is theirs to report too. The move since the trade is from the close on the day traded to the price now.All Congress stock trades
All institutions last quarter
- Bought or added
- 1,051 · 377 new
- Sold or cut
- 349 · 86 sold out
- Net shares bought
- +7.65M · 3.69B USD
- Institutional ownership
- 71.3% → 75.3%
Biggest buyers last quarter
- Invesco Ltd.+4,540,375
- BlackRock, Inc.+2,234,096
- Price T Rowe Associates Inc+1,791,194
- Whale Rock Capital Management LLCNew position
- Norges BankNew position
Biggest sellers last quarter
- Atreides Management, LP-2,148,992
- Alliancebernstein L.P.-1,495,687
- Fred Alger Management, LLC-1,289,165
- Bnp Paribas Financial Markets-1,021,438
- D. E. Shaw & Co., Inc.-839,263
From the holders' 13F filings with the SEC for the quarter to 30 Jun 2026, filed up to 45 days after it; the buyers and sellers are among the 100 largest holders.
Common questions about Astera Labs's shareholders
Source: Financial Modeling Prep
