SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC ALAB — ASTERA LABS INC

Ownership history in SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC  ·  14 quarters on record

AI Ownership Summary

SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC reported ASTERA LABS INC (ALAB) in 14 quarterly 13F filings from 2024 Q1 through 2025 Q4. Peak portfolio weight reached 3.19% in 2024 Q4. The latest visible filing shows ALAB at 1.76% of the fund.

This page tracks quarterly shares, estimated market value, portfolio weight, filing dates, and disclosure-aligned stock prices directly from SEC EDGAR 13F filings.

What this ALAB ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC's position in ASTERA LABS INC, and how did that conviction change over time? You can read the holding window, peak weight, latest reported size, disclosure timing, and quarter-by-quarter changes without piecing the story together from raw SEC rows.

Freshest filing
Latest Reported Filing
2025 Q4

ALAB was reported at 1.76% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
3.19% in 2024 Q4

Peak weight helps separate a token disclosure from a real conviction holding the fund genuinely cared about.

Time in book
Holding Window
2024 Q1 to 2025 Q4

Longer holding windows often tell a very different story from short-lived tactical trades or one-quarter experiments.

Decision context
Why It Matters
Position size beats headlines

Knowing that a fund owned a stock is useful. Knowing whether it was a 0.20% placeholder or a true high-conviction position is where the signal actually starts.

ALAB stock page SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC fund profile SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC full holdings
How SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC held ALAB — position size vs. price
% of Fund (quarterly)    ALAB price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 14 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q4 UNCHANGED — — — 510,000 — 0% 1.76% $84.8M 2026-02-14 (Est.) $129.32
2025 Q3 ADDED — — — 510,000 +410,000 +410.0% 2.07% $99.9M 2025-11-14 $144.34
2025 Q2 REDUCED 83.8% +119.9% ❌ 100,000 -516,500 -83.8% 0.23% $9.0M 2025-08-14 $190.69
2025 Q2 ADDED — — — 616,500 +11,000 +1.8% 1.41% $55.7M 2025-08-14 $190.69
2025 Q1 ADDED — — — 605,500 +595,500 +5955.0% 0.93% $36.1M 2025-05-15 $92.19
2025 Q1 REDUCED 99.1% +51.5% ❌ 10,000 -1,139,300 -99.1% 0.02% $597K 2025-05-15 $92.19
2024 Q4 REDUCED 9.0% -55.0% ✅ 1,149,300 -113,186 -9.0% 2.90% $152.2M 2025-02-14 $87.85
2024 Q4 ADDED — — — 1,262,486 +1,212,486 +2425.0% 3.19% $167.2M 2025-02-14 $87.85
2024 Q3 REDUCED 71.4% +160.4% ❌ 50,000 -125,000 -71.4% 0.08% $2.6M 2024-11-14 $88.49
2024 Q3 REDUCED 89.2% +160.4% ❌ 175,000 -1,447,972 -89.2% 0.28% $9.2M 2024-11-14 $88.49
2024 Q3 ADDED — — — 1,622,972 +682,371 +72.5% 2.63% $85.0M 2024-11-14 $88.49
2024 Q2 ADDED — — — 940,601 +890,601 +1781.2% 2.17% $56.9M 2024-08-14 $38.86
2024 Q1 REDUCED 93.5% -22.4% ✅ 50,000 -718,014 -93.5% 0.13% $3.7M 2024-05-15 $77.42
2024 Q1 INITIATED — — — 768,014 — — 1.96% $57.0M 2024-05-15 $77.42

🏢 Other funds also holding ALAB

As of 2026 Q1 — sorted by position size

Tensor Edge Capital, LLC 4.3% Warm Springs Advisors Inc. 2.47% Integrated Financial Solutions, Inc. 1.64% SIERRA SUMMIT ADVISORS LLC 1.6% Taylor Frigon Capital Management LLC 3Y 7Y 1.48% Wealth Management Partners, LLC 3Y 1.32% Ground Swell Capital, LLC 3Y 7Y 0.87% Mitsubishi UFJ Morgan Stanley Securities Co., Ltd. 3Y 7Y 0.74% SALEM INVESTMENT COUNSELORS INC 3Y 7Y 0.73% Counterpoint Mutual Funds LLC 3Y 0.71%

FAQ About SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC and ALAB

These are the practical questions this page is built to answer before you even open the full history table.

How long has SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC reported owning ALAB?

SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC reported ALAB across 14 quarterly 13F filings, from 2024 Q1 through 2025 Q4.

What was the largest reported ALAB position in SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC's portfolio?

The largest reported portfolio weight for ALAB was 3.19% in 2024 Q4.

What is the latest reported ALAB position on this page?

The most recent filing on this page is 2025 Q4, when SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC reported 510,000 shares, equal to 1.76% of portfolio, with an estimated market value of $84.8M.

What does the chart on this ALAB ownership page compare?

The chart compares SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC's quarterly ALAB portfolio weight with the stock's indexed share price, so you can see whether the fund was building, trimming, or holding the position as price moved.

How well did SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC time their ALAB position?

Based on 13F filing dates vs. subsequent ALAB price moves, SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC correctly timed 7 out of 13 reported position changes (54%). The annualised alpha on ALAB relative to SPY over the holding period was +14.6%.

← Back to SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC Holdings