--- title: "Whale Rock Surges 72% in 2026 as AI Bets Pay Off" type: "News" locale: "en" url: "https://longbridge.com/en/news/291674499.md" description: "Whale Rock's flagship fund surged 72.5% year-to-date through June, driven by well-timed AI investments. Managed by Alex Sacerdote, the long-biased tech hedge fund benefited significantly from SanDisk's 730% rise and holds a concentrated portfolio where top five positions account for over 31%. Key holdings include Alphabet, SanDisk, Celestica, Amazon, and TTM Technologies." datetime: "2026-07-03T14:31:40.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/291674499.md) - [en](https://longbridge.com/en/news/291674499.md) - [zh-HK](https://longbridge.com/zh-HK/news/291674499.md) --- # Whale Rock Surges 72% in 2026 as AI Bets Pay Off Whale Rock's flagship fund has returned 72.5% this year through June following a series of well-timed AI bets. The hedge fund, founded and managed by Alex Sacerdote, operates as a long-biased investor with a focus on tech. It has an average 13F holding period of 6.6 quarters, according to Whale Wisdom. Hedge funds are required to submit a Form 13F each quarter. The filing documents their equity and options positions as of the previous quarter. ### 4th of July Sale - 70% Off High conviction CLS bulls now have this Tradr ETF Whale Rock's top five 13F positions all benefit from the AI buildout. Let's take a look: 1. Alphabet (GOOGL), 9.92% 2. SanDisk (SNDK), 6.56% 3. Celestica (CLS), 5.52% 4. Amazon (AMZN), 4.89% 5. TTM Technologies (TTMI), 4.42% ## **AI Winners and Concentration Fuel Whale Rock's Performance** The hedge fund benefited heavily from SNDK, which surged 730% during the first half of the year. Other AI names not included in Whale Rock's top five positions include Nvidia (NVDA), Broadcom (AVGO), Lam Research (LRCX), and Taiwan Semiconductor (TSM). Whale Rock's success has also been driven by a concentrated portfolio. Its top five positions account for 31.31% of its 13F portfolio, while its top 10 make up 51.4%. ### Related Stocks - [GOOGL.US](https://longbridge.com/en/quote/GOOGL.US.md) - [SNDK.US](https://longbridge.com/en/quote/SNDK.US.md) - [GOOG.US](https://longbridge.com/en/quote/GOOG.US.md) - [TTMI.US](https://longbridge.com/en/quote/TTMI.US.md) - [CLS.US](https://longbridge.com/en/quote/CLS.US.md) - [AMZN.US](https://longbridge.com/en/quote/AMZN.US.md) - [AMZW.US](https://longbridge.com/en/quote/AMZW.US.md) - [GGLL.US](https://longbridge.com/en/quote/GGLL.US.md) - [GGLS.US](https://longbridge.com/en/quote/GGLS.US.md) - [GOOW.US](https://longbridge.com/en/quote/GOOW.US.md) - [GOOY.US](https://longbridge.com/en/quote/GOOY.US.md) - [GOU.US](https://longbridge.com/en/quote/GOU.US.md) - [GOOX.US](https://longbridge.com/en/quote/GOOX.US.md) - [GOOP.US](https://longbridge.com/en/quote/GOOP.US.md) - [MAGX.US](https://longbridge.com/en/quote/MAGX.US.md) - [SNDG.US](https://longbridge.com/en/quote/SNDG.US.md) - [SNDQ.US](https://longbridge.com/en/quote/SNDQ.US.md) - [SNDU.US](https://longbridge.com/en/quote/SNDU.US.md) - [SNXX.US](https://longbridge.com/en/quote/SNXX.US.md) - [CSEX.US](https://longbridge.com/en/quote/CSEX.US.md) - [AMZD.US](https://longbridge.com/en/quote/AMZD.US.md) - [AMZO.US](https://longbridge.com/en/quote/AMZO.US.md) - [AMZU.US](https://longbridge.com/en/quote/AMZU.US.md) - [AMZY.US](https://longbridge.com/en/quote/AMZY.US.md) - [AMZZ.US](https://longbridge.com/en/quote/AMZZ.US.md) - [AZYY.US](https://longbridge.com/en/quote/AZYY.US.md) - [AMZP.US](https://longbridge.com/en/quote/AMZP.US.md) - [NVDA.US](https://longbridge.com/en/quote/NVDA.US.md) - [AVGO.US](https://longbridge.com/en/quote/AVGO.US.md) - [LRCX.US](https://longbridge.com/en/quote/LRCX.US.md) - [TSM.US](https://longbridge.com/en/quote/TSM.US.md) - [NVD.DE](https://longbridge.com/en/quote/NVD.DE.md) ## Related News & Research - [Spahn Wealth & Retirement LLC Reduces Holdings in Amazon.com, Inc. $AMZN](https://longbridge.com/en/news/295201636.md) - [GK Wealth Management LLC Takes $1.53 Million Position in Celestica, Inc. $CLS](https://longbridge.com/en/news/294933131.md) - [14,600 Shares in Amazon.com, Inc. $AMZN Acquired by Watershed Asset Management L.L.C.](https://longbridge.com/en/news/294578148.md) - [Alphabet Inc. $GOOGL is Saturna Capital Corp's 6th Largest Position](https://longbridge.com/en/news/294578714.md) - [SNDK: Record revenue, margin, and multi-year customer deals drive robust growth and shareholder returns](https://longbridge.com/en/news/295029672.md)