ASTERA LABS INC (ALAB) Institutional Shareholders
ASTERA LABS INC (ALAB) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $58.71B in ALAB holdings during the latest filing period.
Fmr Llc is currently the largest disclosed institutional shareholder of ALAB tracked by InsiderSet, reporting ownership valued at approximately $12.00B in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $6.90B, representing an estimated loss of -42.54% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 58% of the total disclosed ALAB value among the investors covered in this analysis. Major shareholders include Fmr Llc, Blackrock, Inc., Vanguard Portfolio Management Llc, and several other long-term asset managers with concentrated positions in ASTERA LABS INC (ALAB).
This page ranks the largest institutional ALAB shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
961
Total Reported Value
$58.71B
Largest Holder
Fmr Llc
Largest Position
$12.00B
Insider Transactions (90d)
50
Latest Filing Quarter
Q2 2026
New Institutional Positions
162
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Fmr Llc | 0.52% | 24,845,364 | $12,000,807,697 | $6,895,333,871 | -$5,105,473,826 | -42.54% | |
| Blackrock, Inc. | 0.10% | 13,683,865 | $6,609,580,511 | $3,797,683,053 | -$2,811,897,458 | -42.54% | |
| Vanguard Portfolio Management Llc | 0.17% | 7,887,650 | $3,809,892,703 | $2,189,059,505 | -$1,620,833,199 | -42.54% | |
| Vanguard Capital Management Llc | 0.07% | 6,727,089 | $3,249,318,529 | $1,866,969,010 | -$1,382,349,519 | -42.54% | |
| Invesco Ltd. | 0.19% | 4,910,555 | $2,371,896,276 | $1,362,826,329 | -$1,009,069,947 | -42.54% | |
| State Street Corp | 0.05% | 3,678,093 | $1,776,592,481 | $1,020,781,150 | -$755,811,331 | -42.54% | |
| Geode Capital Management, Llc | 0.07% | 2,796,173 | $1,347,072,037 | $776,021,893 | -$571,050,144 | -42.39% | |
| Van Eck Associates Corp | 0.66% | 2,237,961 | $1,080,979,922 | $621,101,316 | -$459,878,606 | -42.54% | |
| Bank Of America Corp | 0.07% | 2,198,235 | $1,061,791,470 | $610,076,160 | -$451,715,310 | -42.54% | |
| Morgan Stanley | 0.04% | 1,686,491 | $814,609,879 | $468,051,847 | -$346,558,032 | -42.54% | |
| Jpmorgan Chase & Co | 0.05% | 1,775,810 | $809,699,137 | $492,840,549 | -$316,858,588 | -39.13% | |
| Amundi | 0.19% | 1,591,888 | $768,913,742 | $441,796,677 | -$327,117,065 | -42.54% | |
| Whale Rock Capital Management Llc | 6.08% | 1,567,882 | $757,318,364 | $435,134,291 | -$322,184,073 | -42.54% | |
| Norges Bank | 0.07% | 1,434,347 | $692,818,288 | $398,074,323 | -$294,743,965 | -42.54% | |
| Citigroup Inc | 0.30% | 1,352,136 | $653,108,731 | $375,258,304 | -$277,850,427 | -42.54% | |
| Rafferty Asset Management, Llc | 1.45% | 1,321,419 | $638,271,805 | $366,733,415 | -$271,538,390 | -42.54% | |
| Fred Alger Management, Llc | 2.07% | 1,283,840 | $620,120,397 | $356,304,115 | -$263,816,282 | -42.54% | |
| Goldman Sachs Group Inc | 0.06% | 1,234,152 | $596,120,151 | $342,514,205 | -$253,605,946 | -42.54% | |
| Atreides Management, Lp | 5.27% | 1,216,795 | $587,736,321 | $337,697,116 | -$250,039,205 | -42.54% | |
| Barclays Plc | 0.17% | 1,130,944 | $546,268,570 | $313,870,888 | -$232,397,682 | -42.54% | |
| Maverick Capital Ltd | 4.65% | 1,067,215 | $515,486,189 | $296,184,179 | -$219,302,010 | -42.54% | |
| Federated Hermes, Inc. | 0.65% | 938,311 | $453,222,979 | $260,409,452 | -$192,813,527 | -42.54% | |
| Vanguard Fiduciary Trust Co | 0.09% | 884,834 | $427,392,519 | $245,567,980 | -$181,824,539 | -42.54% | |
| Northern Trust Corp | 0.05% | 870,775 | $420,601,742 | $241,666,186 | -$178,935,556 | -42.54% | |
| Fuller & Thaler Asset Management, Inc. | 1.13% | 857,286 | $414,086,420 | $237,922,584 | -$176,163,836 | -42.54% | |
| Nomura Asset Management Co Ltd | 0.88% | 852,312 | $411,683,743 | $236,542,149 | -$175,141,594 | -42.54% | |
| Ubs Group Ag | 0.06% | 802,024 | $387,393,633 | $222,585,721 | -$164,807,912 | -42.54% | |
| Bnp Paribas Financial Markets | 0.20% | 792,380 | $382,735,388 | $219,909,221 | -$162,826,167 | -42.54% | |
| Charles Schwab Investment Management Inc | 0.05% | 749,607 | $362,075,173 | $208,038,431 | -$154,036,742 | -42.54% | |
| Sixth Street Partners Management Company, L.P. | 0.05% | 749,607 | $362,075,173 | $208,038,431 | -$154,036,742 | -42.54% | |
| D. E. Shaw & Co., Inc. | 0.20% | 680,298 | $328,597,540 | $188,803,104 | -$139,794,436 | -42.54% | |
| Deutsche Bank Ag\ | 0.09% | 674,096 | $325,601,850 | $187,081,863 | -$138,519,987 | -42.54% | |
| Legal & General Group Plc | 0.06% | 644,847 | $311,474,003 | $178,964,388 | -$132,509,615 | -42.54% | |
| Capital World Investors | 0.04% | 616,374 | $297,720,969 | $171,062,276 | -$126,658,693 | -42.54% | |
| Millennium Management Llc | 0.20% | 604,489 | $291,980,277 | $167,763,832 | -$124,216,445 | -42.54% | |
| First Trust Advisors Lp | 0.16% | 580,688 | $280,483,666 | $161,158,341 | -$119,325,325 | -42.54% | |
| Value Aligned Research Advisors, Llc | 1.64% | 568,316 | $274,507,994 | $157,724,739 | -$116,783,255 | -42.54% | |
| Clear Street Group Inc. | 0.82% | 539,212 | $260,450,180 | $149,647,506 | -$110,802,674 | -42.54% | |
| Canada Pension Plan Investment Board | 0.14% | 527,400 | $254,744,748 | $146,369,322 | -$108,375,426 | -42.54% | |
| Bank Of New York Mellon Corp | 0.04% | 498,996 | $241,024,927 | $138,486,360 | -$102,538,567 | -42.54% | |
| Tidal Investments Llc | 0.58% | 494,315 | $238,764,032 | $137,187,242 | -$101,576,790 | -42.54% | |
| 1832 Asset Management L.P. | 0.27% | 451,800 | $218,228,436 | $125,388,054 | -$92,840,382 | -42.54% | |
| Swiss National Bank | 0.10% | 383,964 | $185,462,291 | $106,561,529 | -$78,900,762 | -42.54% | |
| Tudor Investment Corp Et Al | 0.72% | 361,000 | $174,370,220 | $100,188,330 | -$74,181,890 | -42.54% | |
| Capital Impact Advisors, Llc | 9.44% | 348,617 | $168,388,983 | $96,751,676 | -$71,637,307 | -42.54% | |
| Bnp Paribas Asset Management Holding S.A. | 0.17% | 345,575 | $166,919,636 | $95,907,430 | -$71,012,206 | -42.54% | |
| Strategy Capital Llc | 10.19% | 342,338 | $165,356,101 | $95,009,065 | -$70,347,036 | -42.54% | |
| Valliance Asset Management Ltd | 18.84% | 337,150 | $162,850,193 | $93,569,239 | -$69,280,954 | -42.54% | |
| Neuberger Berman Group Llc | 0.11% | 331,269 | $159,340,459 | $91,937,086 | -$67,403,373 | -42.30% | |
| Nuveen, Llc | 0.04% | 326,756 | $157,829,369 | $90,684,593 | -$67,144,776 | -42.54% |
Frequently asked questions about ALAB
Who owns the most ALAB stock?
The largest holders of ALAB are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for ASTERA LABS INC (ALAB).
Is ALAB widely held by superinvestors?
Many widely followed stocks like ALAB appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly ALAB is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.