# ASTERA LABS INC COM

ASTERA LABS INC COM is a security (CUSIP 04626A103) tracked across SEC portfolio filings. 884 institutional managers reported $18.5B on Form 13F as of 2026-06-30; 51 registered fund positions totaling $1.6B via N-PORT as of 2026-05-31.

## Summary

- Issuer: ASTERA LABS INC
- Class: COM
- CUSIP: 04626A103
- Asset category: EC
- 13F holders: 884
- 13F value: $18.5B
- 13F period: 2026-06-30
- N-PORT fund positions: 51
- N-PORT value: $1.6B
- N-PORT report: 2026-05-31

## Top institutional holders (Form 13F)

_Showing 15 of 884 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| FMR LLC | BOSTON, MA | $2.8B | 25,529,885 |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | Valley Forge, PA | $2.3B | 13,827,506 |
| BlackRock, Inc. | New York, NY | $1.3B | 11,449,769 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | BALA CYNWYD, PA | $745.4M | 610,669 |
| CITIGROUP INC | NEW YORK, NY | $653.1M | 1,352,136 |
| [ALLIANCEBERNSTEIN L.P.](https://search.stillhousedata.com/firm/108477) | NASHVILLE, TN | $418.0M | 2,512,695 |
| JANE STREET GROUP, LLC | NEW YORK, NY | $409.3M | 4,342 |
| [Atreides Management, LP](https://search.stillhousedata.com/firm/301152) | BOSTON, MA | $368.9M | 3,365,787 |
| STATE STREET CORP | BOSTON, MA | $365.4M | 3,333,606 |
| [FRED ALGER MANAGEMENT, LLC](https://search.stillhousedata.com/firm/106750) | NEW YORK, NY | $282.0M | 2,573,005 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/115504) | BOSTON, MA | $274.2M | 2,508,264 |
| BNP PARIBAS ARBITRAGE, SNC | PARIS, I0 | $254.6M | 1,813,818 |
| [CITADEL ADVISORS LLC](https://search.stillhousedata.com/firm/148826) | MIAMI, FL | $252.9M | 302,531 |
| [Walleye Trading LLC](https://search.stillhousedata.com/firm/136196) | NEW YORK, NY | $250.1M | — |
| Bank of New York Mellon Corp | NEW YORK, NY | $241.0M | 498,996 |

## Top fund holders (N-PORT)

_Showing 15 of 51 fund positions by value._

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [Fidelity Growth Company Fund](https://search.stillhousedata.com/fund/S000007119) | Fidelity Mt. Vernon Street Trust | $782.0M | 79.17% |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $162.4M | 19.93% |
| [ALGER FOCUS EQUITY FUND](https://search.stillhousedata.com/fund/S000009201) | ALGER INSTITUTIONAL FUNDS | $118.0M | 193.17% |
| [AB LARGE CAP GROWTH FUND INC](https://search.stillhousedata.com/fund/S000010251) | AB LARGE CAP GROWTH FUND INC | $88.1M | 36.94% |
| [ALGER SPECTRA FUND](https://search.stillhousedata.com/fund/S000009190) | ALGER FUNDS II | $78.4M | 182.59% |
| [VANGUARD EXPLORER FUND](https://search.stillhousedata.com/fund/S000002578) | VANGUARD EXPLORER FUND | $70.1M | 32.18% |
| [SMALLCAP World Fund Inc](https://search.stillhousedata.com/fund/S000009599) | SMALLCAP World Fund Inc | $65.8M | 8.11% |
| [Fidelity Contrafund](https://search.stillhousedata.com/fund/S000006037) | Fidelity Contrafund | $60.6M | 3.84% |
| [T. Rowe Price Diversified Mid-Cap Growth Fund, Inc.](https://search.stillhousedata.com/fund/S000002073) | T. ROWE PRICE DIVERSIFIED MID-CAP GROWTH FUND, INC. | $20.0M | 47.03% |
| [LORD ABBETT DEVELOPING GROWTH FUND INC](https://search.stillhousedata.com/fund/S000006834) | LORD ABBETT DEVELOPING GROWTH FUND, INC. | $18.9M | 85.08% |
| [VANGUARD STRATEGIC EQUITY FUND](https://search.stillhousedata.com/fund/S000002593) | VANGUARD HORIZON FUNDS | $16.0M | 15.78% |
| [Fidelity Nasdaq Composite Index ETF](https://search.stillhousedata.com/fund/S000006011) | Fidelity Commonwealth Trust | $13.2M | 12.12% |
| [VANGUARD BALANCED INDEX FUND](https://search.stillhousedata.com/fund/S000002560) | VANGUARD VALLEY FORGE FUNDS | $8.9M | 1.52% |
| [Large Cap Index Master Portfolio](https://search.stillhousedata.com/fund/S000033023) | Master Investment Portfolio | $8.2M | 2.27% |
| [VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002855) | VANGUARD INSTITUTIONAL INDEX FUNDS | $7.6M | 2.52% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/04626A103.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.