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Astera Labs, Inc. 13F holders

994 funds reported a position in Astera Labs, Inc. in their 13F for the quarter ended 30 June 2026, together 127.8 million shares worth $61.23 billion. Against the quarter before, 345 opened a position, 286 added, 256 trimmed and 85 sold out; together they bought a net 5.8 million shares. The largest holders: FMR LLC, BlackRock, Inc. and Vanguard Portfolio Management LLC.

Funds holding994+283 on Q1 2026
Shares they held127.8Mworth $61.23 billion
Net bought on the quarter5.8M sharesabout $2.77 billion at the funds' values
Funds buying to selling631 to 341opened or added, to cut or sold
Opened 345Added 286Held 98Trimmed 256Sold out 85
Opened: 345 fundsAdded: 286 fundsHeld: 98 fundsTrimmed: 256 fundsSold out: 85 funds

What each fund did in ALAB against its 13F for the quarter before; a change under 0.1% of a holding counts as held

Q3 2024: 245 funds, 75.8 million shares245Q3 2024Q4 2024: 421 funds, 94.7 million shares421Q4 2024Q1 2025: 391 funds, 98.4 million shares391Q1 2025Q2 2025: 514 funds, 103.0 million shares514Q2 2025Q3 2025: 661 funds, 111.6 million shares661Q3 2025Q4 2025: 704 funds, 117.2 million shares704Q4 2025Q1 2026: 711 funds, 120.9 million shares711Q1 2026Q2 2026: 994 funds, 127.8 million shares994Q2 2026

Funds reporting a position in ALAB in their 13F, each quarter; hover a bar for the shares they held

Filed so far for the quarter to 30 September 2026

2,671 funds have filed their 13F for the quarter so far; the rest are due by 16 November 2026. Of those, 224 reported a position in Astera Labs, Inc.: 30 opened one, 78 added, 74 trimmed and 38 sold out, a net 150,337 shares sold.

FundChange in sharesShares nowStatusFiling
Assenagon Asset Management S.A.+59,59874,746added13F
KBC Group NV+54,20497,056added13F
Eulav Asset Management+48,53148,531new13F
Decker Retirement Planning Inc.+25,45225,452new13F
Salem Investment Counselors Inc.-24,185154,723trimmed13F
Oak Thistle LLC+16,59416,594new13F
BI Asset Management Fondsmaeglerselskab A/S-15,9087,905trimmed13F
Atlatl Advisers LLC+11,27111,271new13F
Counterpoint Mutual Funds LLC+9,87032,947added13F
Robeco Institutional Asset Management B.V.+7,644151,807added13F
Fjarde Ap-Fonden /fourth Swedish National Pension Fund+6,25849,808added13F
Taylor Frigon Capital Management LLC-5,6777,609trimmed13F
Vontobel Holding Ltd.-5,6326,176trimmed13F
Cadent Capital Advisors, LLC+5,1825,182new13F
Oak Grove Capital LLC-5,01034,040trimmed13F
NFSG Corp+4,81810,623added13F
Colonial River Investments, LLC-4,543916trimmed13F
Park Capital Management, LLC+4,3534,353new13F
Sax Wealth Advisors, LLC+4,2854,285new13F
Park Avenue Securities LLC+4,28158,995added13F
Abn Amro Investment Solutions+4,18311,876added13F
FNY Investment Advisers, LLC+4,1464,146new13F
M & L Capital Management Ltd+4,00050,200added13F
Piar LLC+3,9854,430added13F
Mirador Capital Partners LP-3,5058,263trimmed13F

The largest moves in the name among the funds that have filed, against each fund's previous 13F.

The well-known funds

Of the 44 funds followed here, 11 reported a position in Astera Labs, Inc. in a 13F for the quarter ended 30 June 2026. The largest: FMR LLC, 24.8 million shares worth $12.00 billion, 0.5% of its reported book. New this quarter: Whale Rock Capital Management, Point72 Asset Management. Sold out: Citadel Advisors, Alyeska. In the quarter, 5 funds added or opened a position and 7 trimmed or sold out; together they sold a net 2.4 million shares, about $1.17 billion at the funds' own value per share on 30 June 2026. A change under 0.1% of a holding counts as held.

FundSharesValueOf its bookChange on the quarterStatusQuarter endedFiling
FMR LLC24,845,364$12.00 billion0.5%-684,521trimmed30 June 202613F
Geode Capital Management2,796,173$1.35 billion0.1%+287,909added30 June 202613F
Whale Rock Capital Management1,567,882$757.3 million6.1%+1,567,882new30 June 202613F
Norges Bank1,434,347$692.8 million0.1%held30 June 202613F
Atreides Management1,216,795$587.7 million5.3%-2,148,992trimmed30 June 202613F
Millennium Management604,489$292.0 million0.2%+384,082added30 June 202613F
Baillie Gifford218,430$105.5 million0.1%-26,698trimmed30 June 202613F
Renaissance Technologies153,400$74.1 million0.1%+23,999added30 June 202613F
Two Sigma Investments48,083$23.2 million0.0%-696,226trimmed30 June 202613F
Point72 Asset Management13,517$6.5 million0.0%+13,517new30 June 202613F
Bridgewater Associates992$479,1560.0%-749,948trimmed30 June 202613F
Citadel Advisors0$00.0%-302,531exited30 June 202613F
Alyeska0$00.0%-97,113exited30 June 202613F
Value is what the fund reported.
Read moreChange is shares against the fund's previous 13F; a fund with one filing read shows no change. 13Fs cover long US positions of managers above $100 million and are filed up to 45 days after the quarter.

The largest holders

FundSharesShare of allValueOf its bookChange in sharesFiling
FMR LLC24,845,36419.45%$12.00 billion0.52%-684,52113F
BlackRock, Inc.13,683,86510.71%$6.61 billion0.10%+2,234,09613F
Vanguard Portfolio Management LLC7,887,6506.17%$3.81 billion0.17%+577,87213F
Vanguard Capital Management LLC6,727,0895.27%$3.25 billion0.07%+386,35713F
Invesco Ltd.4,910,5553.84%$2.37 billion0.19%+4,540,37513F
State Street Corp.3,678,0932.88%$1.78 billion0.05%+344,48713F
Geode Capital Management, LLC2,796,1732.19%$1.35 billion0.07%+287,90913F
Price T Rowe Associates Inc.2,409,6931.89%$1.16 billion0.12%+1,791,19413F
Van Eck Associates Corp.2,237,9611.75%$1.08 billion0.66%+373,54513F
Bank of America Corp.2,198,2351.72%$1.06 billion0.07%+410,00313F
Morgan Stanley1,686,4911.32%$814.6 million0.04%-45,85713F
JPMorgan Chase & Co.1,775,8101.39%$809.7 million0.05%+1,345,42113F
Amundi1,591,8881.25%$768.9 million0.18%-288,94213F
Whale Rock Capital Management LLC1,567,8821.23%$757.3 million6.08%new13F
Norges Bank1,434,3471.12%$692.8 million0.07%13F
Citigroup Inc.1,352,1361.06%$653.1 million0.30%-160,91813F
Rafferty Asset Management, LLC1,321,4191.03%$638.3 million1.45%+375,91313F
Fred Alger Management, LLC1,283,8401.00%$620.1 million2.07%-1,289,16513F
Goldman Sachs Group Inc.1,234,1520.97%$596.1 million0.06%-145,96213F
Atreides Management, LP1,216,7950.95%$587.7 million5.27%-2,148,99213F
Barclays PLC1,130,9440.89%$546.3 million0.17%-423,23613F
Maverick Capital Ltd1,067,2150.84%$515.5 million4.65%+111,85913F
Federated Hermes, Inc.938,3110.73%$453.2 million0.65%+666,05413F
Vanguard Fiduciary Trust Co.884,8340.69%$427.4 million0.09%+33,07313F
Northern Trust Corp.870,7750.68%$420.6 million0.05%+66,11413F
T. Rowe Price Investment Management, Inc.869,5560.68%$420.0 million0.28%new13F
Fuller & Thaler Asset Management, Inc.857,2860.67%$414.1 million1.13%+22,62613F
UBS AM, a distinct business unit of UBS Asset Management Americas LLC854,4920.67%$412.7 million0.07%+205,30113F
Nomura Asset Management Co. Ltd852,3120.67%$411.7 million0.88%+401,68413F
UBS Group AG802,0240.63%$387.4 million0.06%-640,55413F
BNP Paribas Financial Markets792,3800.62%$382.7 million0.20%-1,021,43813F
Charles Schwab Investment Management Inc.749,6070.59%$362.1 million0.05%+88,10213F
D. E. Shaw & Co., Inc.680,2980.53%$328.6 million0.21%-839,26313F
Deutsche Bank AG674,0960.53%$325.6 million0.10%-56,80913F
Legal & General Group Plc644,8470.50%$311.5 million0.07%-75,40913F
Capital World Investors616,3740.48%$297.7 million0.04%+16,37413F
Millennium Management LLC604,4890.47%$292.0 million0.20%+384,08213F
First Trust Advisors LP580,6880.45%$280.5 million0.17%+341,73913F
Value Aligned Research Advisors, LLC568,3160.44%$274.5 million1.64%no change13F
Clear Street Group Inc.539,2120.42%$260.5 million0.82%+39,44013F
Canada Pension Plan Investment Board527,4000.41%$254.7 million0.14%-73,10013F
Bank of New York Mellon Corp498,9960.39%$241.0 million0.04%+23,47613F
Tidal Investments LLC494,3150.39%$238.8 million0.58%+86,58313F
1832 Asset Management L.P.451,8000.35%$218.2 million0.27%-398,90013F
Swiss National Bank383,9640.30%$185.5 million0.10%-6,20013F
Tudor Investment Corp. Et Al361,0000.28%$174.4 million0.72%+323,65413F
Capital Impact Advisors, LLC348,6170.27%$168.4 million9.44%new13F
BNP Paribas Asset Management Holding S.A.345,5750.27%$166.9 million0.17%+102,03213F
Strategy Capital LLC342,3380.27%$165.4 million10.19%-9,93013F
Valliance Asset Management Ltd337,1500.26%$162.9 million18.84%new13F
The 50 largest of the 994 funds that reported a position in ALAB in their 13F for the quarter ended 30 June 2026, by the value each reported.
Read moreShare of all is the fund's part of all the shares the funds reported. Change is shares against the fund's 13F for the quarter before. A 13F lists a manager's long positions in US-listed shares at the quarter's end. What is a 13F?

Options the funds reported on ALAB

FundOptionShares under the optionsValue of those sharesQuarter endedFiling
Citadel AdvisorsCalls1,968,700$950.9 million30 June 202613F
Citadel AdvisorsPuts1,927,200$930.9 million30 June 202613F
Millennium ManagementPuts132,300$63.9 million30 June 202613F
Point72 Asset ManagementCalls108,200$52.3 million30 June 202613F
Millennium ManagementCalls77,600$37.5 million30 June 202613F
Point72 Asset ManagementPuts71,000$34.3 million30 June 202613F
Two Sigma InvestmentsPuts62,500$30.2 million30 June 202613F
Two Sigma InvestmentsCalls46,300$22.4 million30 June 202613F
A 13F lists calls and puts by the shares they cover and what those shares were worth at the quarter's end, not what the options cost.
Read moreThey are not counted in the holdings above. A put gains when the stock falls, a call when it rises, and a fund may hold either to hedge.

Schedule 13D and 13G filed on the name, last twelve months

FiledScheduleWhoHoldingOf the classEvent dateRule or purposeFiling
7 October 202613G/AFMR LLC and 3 others15.8 million9.1%30 September 2026passive, institutional (13d-1(b))EDGAR
27 July 202613G/ABlackRock, Inc. and 1 other12.7 million7.4%30 June 2026passive, institutional (13d-1(b))EDGAR
26 March 202613G/AThe Vanguard Group and 1 other00.0%13 March 2026passive, institutional (13d-1(b))EDGAR
21 January 202613G/ABlackRock, Inc. and 1 other10.5 million6.2%31 December 2025passive, institutional (13d-1(b))EDGAR
14 November 202513G/AGajendra Sanjay and 1 other7.6 million4.5%30 September 2025passive, other (13d-1(d))EDGAR
14 November 202513G/AMohan Jitendra and 1 other9.2 million5.4%30 September 2025passive, other (13d-1(d))EDGAR
A Schedule 13D is filed by anyone who crosses 5% of a class with intent to influence; a 13G by a passive holder.
Read moreAmendments (/A) report a change, including an exit to zero. Holding and percentage are as the filer stated them on the cover page; the purpose is the filer's own words, cut short. 13D and 13G

Fails to deliver

Settlement dateShares failedPriceFile
30 September 20263,282$357.84SEC
29 September 20263,562$351.31SEC
28 September 202611,647$364.62SEC
24 September 20263,497$360.46SEC
22 September 202620$340.74SEC
21 September 2026448$303.25SEC
18 September 2026123$293.56SEC
8 September 2026400$310.40SEC
3 September 202614$274.13SEC
2 September 202622,174$279.91SEC
28 August 202684$304.09SEC
27 August 2026213$290.30SEC
26 August 202622$282.65SEC
24 August 20261,024$284.97SEC
Shares that failed to deliver at settlement, per day, from the SEC's half-month files, which arrive about two weeks after the period.
Read moreLargest in the window: 22,174 on 2 September 2026. A fail is an operational fact about settlement, not a position.