Tudor Investment Reduces $28M in Astera Labs, Inc. ($ALAB)

Tudor Investment has cut its position in Astera Labs, Inc. by 59.8%, according to a recent SEC filing.

Editorial illustration for Astera Labs, Inc. (ALAB)

Key Points

  • Tudor Investment reduced its stake in Astera Labs, Inc. (NASDAQ:ALAB) by 59.8%, selling 55,641 shares to hold 37,346 shares valued at $18.5 million.
  • Astera Labs, Inc. has a market cap of $82.8 billion, a P/E ratio of 330.8, and a 52-week high of $499.48.
  • Analyst firms like UBS and Stifel have maintained their ratings with price targets ranging from $200 to $460.

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Tudor Investment has reduced its stake in Astera Labs, Inc. (NASDAQ:ALAB), cutting its position by 59.8%. According to the latest Form 13F filing with the SEC, the firm sold 55,641 shares, leaving it with 37,346 shares valued at approximately $18.5 million as of the reporting period.

13F track record

Tudor Investment vs. the S&P 500

YTD return +33.92% hypothetical
All-time return +26.01% S&P 500 +85.59%
vs. S&P 500 -59.58% behind the index

Hypothetical, simulated performance of disclosed positions vs. the S&P 500. Not realized profit and not investment advice. Past performance does not indicate future results. Details.

What Changed in Tudor Investment's Astera Labs Position

Tudor Investment's reduction in Astera Labs shares marks a significant change, as the firm trimmed its holdings from 92,987 shares to 37,346 shares. This move resulted in a decrease of 55,641 shares, reflecting a 59.8% reduction in their position.

Other Institutional Activity in Astera Labs

Other institutional investors have also been active in Astera Labs. FMR LLC increased its holdings by 194,944 shares, ending with 25,529,885 shares valued at about $2.8 billion, reflecting a 0.8% increase. BLACKROCK, INC. reduced its stake by 1,519,089 shares, now holding 11,449,769 shares worth approximately $1.25 billion, a decrease of 11.7%. VANGUARD PORTFOLIO MANAGEMENT LLC opened a new position with 7,309,778 shares valued at $801.2 million. Similarly, VANGUARD CAPITAL MANAGEMENT LLC also initiated a new stake with 6,340,732 shares worth about $694.9 million. ATREIDES MANAGEMENT, LP more than doubled its position, adding 1,754,593 shares for a total of 3,365,787 shares valued at $368.9 million, marking a 108.9% increase.

Astera Labs, Inc. Stock Up 70.8%

Shares of NASDAQ:ALAB traded near $494.40 on Wednesday. Astera Labs, Inc. boasts a market cap of approximately $82.8 billion, with a P/E ratio of 330.8 and a forward P/E of 112.1. The stock's 52-week range spans from $85.85 to $499.48. It has a 50-day moving average of $288.50 and a 200-day moving average of $192.55. The company maintains a strong current ratio of 11.3 and a quick ratio of 10.55, with a debt-to-equity ratio of 2.80.

Year to date

$ALAB stock price

Daily closing prices, year to date. Not investment advice.

Recent Earnings

Astera Labs reported revenue of about $1 billion, showing a growth rate of 93.4%. The company's net margin stands at 26.7%, with a return on equity of 21.1%. The next earnings report is expected on August 4, 2026.

Earnings drift grade

Outlook vs expectations on the last report — not price action.

B- 71/100

Reported May 5, 2026

  1. Forward outlook

    10 analysts raised price targets.

  2. EPS & revenue

    EPS beat estimates by 11.6%. Revenue beat estimates by 3.5%.

  3. Profit surprise

    EBITDA missed by 34 percent. Operating income missed by 40 percent.

  4. Pre-earnings setup

    Bar was high, analysts already very bullish.

  5. Analyst signal

    10 target raises.

  6. Earnings quality

    Gross margin up 1.4 points. Operating margin up 13.0 points.

Earnings Call Summary

Astera Labs delivered strong Q1 results with revenue of $308 million, up 93 percent year over year, driven by broad growth across signal conditioning and fabric switch products. PCIe Gen 6 products contributed over one third of total revenue. The company shipped initial production volumes of the new Scorpio X 320-lane switch and is expanding optical capabilities through the XScale acquisition, with near-package optics expected to ship in 2027 and chiplet-package optics in 2028.

Guidance Management expects revenue between $355 million and $365 million in the next quarter, up 15 to 18 percent sequentially. They expect non-GAAP earnings per share between $0.68 and $0.70, with gross margin around 73 percent before a one-time customer agreement charge. The Scorpio product line is expected to become their largest business by year end.

Slightly positive report. The quarter was acceptable, but the forward setup is not strong.

Insider Buying and Selling at Astera Labs, Inc.

Several insiders have been active recently. On June 24, 2026, Bethany Mayer sold 686 shares at an average price of $395.04 under a Rule 10b5-1 plan. On June 4, 2026, Jack Lazar sold 10,000 shares at $355.17, also under a planned sale. On the same day, Craig Barratt, Michael Hurlston, and Bethany Mayer each bought 837 shares at no cost.

Analysts Set New Price Targets

Analysts have maintained their ratings on Astera Labs. On June 29, 2026, UBS maintained a hold rating with a $400 price target. Stifel, on June 24, 2026, kept a buy rating with a $460 target. B of A Securities maintained a hold rating with a $450 target on June 23, 2026. The consensus among 22 analysts is a buy recommendation, with an average price target of $272.47.

About Astera Labs, Inc.

Astera Labs, Inc., based in San Jose, California, is a technology company specializing in semiconductor-based connectivity solutions for cloud and AI infrastructure. Founded in 2017, the company designs and manufactures high-speed, mixed-signal connectivity products. Its offerings include the COSMOS software suite, smart DSP retimers, and smart fabric switches, catering primarily to hyperscalers and original equipment manufacturers.

Bottom Line

Tudor Investment's decision to cut its stake in Astera Labs by nearly 60% is notable and reflects a significant shift in its portfolio strategy. Investors often keep an eye on such filings to gauge institutional sentiment. However, it's important to remember that 13F filings are backward-looking and may not represent the investor's current position.

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