Nvidia in Q2 13Fs: Index Giants Add While Citadel Trims

Nvidia is the stock every portfolio seems to own, which makes its 13F data a useful test of how to read institutional ownership. The raw share-count changes for Q2 2026 point in two directions at once: some of the largest holders added, and one of the best-known multi-strategy funds sharply reduced. Understanding why both can be true is a good lesson in what 13F filings can and cannot tell you.

What the Q2 data shows

According to aggregated Q2 2026 13F data from Insiderset, among the filers with the largest changes, State Street added about 15.9 million shares (+1.6%) to hold roughly 1.01 billion shares. Allianz Asset Management increased by about 6.1 million shares (+25.6%) to roughly 30 million. Envestnet Asset Management added about 856,000 shares.

On the other side, Citadel Advisors cut about 6.8 million shares (-36.7%), leaving about 11.8 million shares. Corient Private Wealth trimmed about 1.9 million shares (-17.4%), and Sweden's AP-Fonden also reduced its stake. The source shows only a subset of the roughly 5,700 filers holding Nvidia, so treat these as examples rather than a complete tally.

Why State Street's buying is not a conviction call

State Street's increase is the largest in absolute terms, but it is mostly mechanical. Index funds and ETFs buy more of a stock when assets flow in or when index weights rise. A 1.6% increase from a manager running index products says very little about a view on Nvidia. This is the first rule of 13F reading: separate discretionary managers from passive ones. You can browse that split on our investors page.

Why Citadel's cut needs context

Citadel is a multi-strategy firm with a large market-making and quantitative arm. Changes in its 13F often reflect hedging, options exposure and short-term trading rather than a long-term thesis. A 37% reduction in reported shares is notable, but the 13F does not show offsetting short positions or derivatives, so you cannot conclude Citadel turned bearish on Nvidia.

What to do with this

The more useful signal is the pattern across discretionary managers, not any single fund. A practical workflow:

1. Filter to concentrated, discretionary investors rather than index providers.

2. Check whether the same names are adding or trimming across several quarters.

3. Look at overlap: how many top investors hold Nvidia alongside the same AI-infrastructure peers? The overlap tool shows this directly.

4. Compare with the flow page to see whether net buying is broad or driven by a few large filers.

The timing caveat

Q2 positions are as of June 30, 2026, and were filed by mid-August. By mid-October those holdings are more than three months old, and Q3 filings are due in mid-November. Nvidia's price and the macro backdrop have moved since, so the 13F tells you where managers stood, not where they stand now. For the broader backdrop, see the macro consensus page.

Bottom line

Nvidia's Q2 ownership picture is a mix of mechanical index buying, rebalancing by private wealth and pension managers, and a large trim from a market-making giant. None of these individually proves a trend. Read the filers, not just the share counts, and watch whether discretionary investors converge when Q3 filings land.

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Data sourced from public SEC 13F filings. Educational research only — not investment advice.