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Real-time insider trading signals and institutional investor tracking powered by SEC Form 4 and 13F filings.

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Data delayed up to 45 days from quarter end.

AI Analysis

Analyst Take

Major fund pages carry a quarterly AI-written analysis of the filing — key moves, concentration, sector tilts and how the clone portfolio has performed.

Not investment advice. Past holdings do not predict future returns.

Alex Sacerdote 13F Holdings | Portfolio Q1 2026

Alex Sacerdote

Founder, Whale Rock Capital

Growth / TechAUM $7.74BPositions 35Q1 2026

🏆 Clone Portfolio Track Record

Rank #6 of 69 by 3-year alpha vs SPY · mechanically replicating this book, rebalanced at filing dates

A strong clone record is a track record, not a forecast — tested across a decade it doesn't reliably repeat. See what actually holds up →

Analyst Take · Q1 2026

Whale Rock's $7.7B tech book took profits in last year's winners (SNDK −20%, CLS −19%, CIEN −74%) and redeployed into semi-cap equipment: new AEIS, MKSI, LRCX and TSEM stakes plus a 27% GOOGL add. Clone rank #5 of 59 (+19.2pt alpha) — one of the strongest books to have copied.

Generated quarterly from the filing data itself — holdings, changes, sector mix and clone-performance rank. Not investment advice.

Alex Sacerdote, a former Fidelity technology analyst, founded Whale Rock Capital in 2006. He runs a concentrated technology long/short book focused on secular growth themes across software, internet and semiconductors.