13F Season, Q2 2026

The most widely held stock on the roster is Amazon Com Inc, reported by 47 of the 85 funds — 55% of them. That is the high-water mark for agreement here, not the norm. Every other issuer is held by fewer funds than that, and the last name on the list below is down to 26. A roster of managers picked for having opinions turns out to share surprisingly few of them.

Rank the same 10 by money rather than by headcount and the order changes. Space Exploration Techn Corp carries $148.3B across 27 funds, well ahead of Amazon Com Inc at $37.7B across 47. Widely held and heavily held are different questions, and a roundup that counts only holders answers the less interesting one.

The revealing column is not the value one. In 7 of these 10, more funds cut their position than added to it. These are the names almost everyone owns and almost nobody agrees about: crowded enough to appear on every list, contested enough that the roster was moving in both directions at once inside the same three months.

And one row does not belong to the previous quarter at all. Space Exploration Techn Corp sits 8th on the most-held list despite the fact that no filer here held it three months ago. All 27 of its holders opened it in the same quarter, which is why its added and cut columns are empty. A name can arrive at the top of a consensus list without any consensus having formed.

27 of the 85 funds opened Space Exploration Techn Corp in the same quarter, $148.3B between them. Nothing else came close: the next row, Cerebras Systems Inc, was opened by 19. On the face of it that is the strongest signal in the whole dataset — 32% of the roster reaching the same decision at once.

Read the marked column before believing it. 9 of these 10 rows carry a dagger, meaning no filer on the roster held the issuer last quarter at all. That flag records an absence, not a cause: usually the name only just became reportable — a listing or a spin-off — but a small-cap none of these funds happened to own carries the same mark. Either way the filing shows the position, never the decision behind it, so a row full of openers is weaker evidence of agreement than it looks.

The top row is the clearest case. Space Exploration Techn Corp listed on Nasdaq in June 2026, which is what made it a Section 13(f) security in the first place — so a first appearance in a 13F is not always a purchase, and the filing does not distinguish between the two.

In 9 of the 10, every fund reporting the issuer opened it this quarter. The exception is Carnival Corp Ltd: 15 of the 16 funds reporting it opened this quarter, and the rest already held it — whether they then added, trimmed or sat still, the row does not say.

Size is the other thing an opener count hides. The top row is $148.3B; the bottom one is $374.5M, roughly 396 times smaller. 12 funds opening a line that small between them have collectively put close to nothing at risk, and counting that as 12 votes gives a starter position the same weight as a conviction. The opener column tells you how many managers touched a name; only the value column tells you whether any of them meant it.

Meta Platforms Inc was cut by more funds than anything else: 22 of the 41 reporting a position reduced it, against 11 that added. The selling is spread across the roster rather than concentrated in one manager, which is the distinction a single-fund headline cannot make.

6 of these 10 also appear in the most-held table above. That is arithmetic before it is sentiment: a stock has to be widely owned before many funds can trim it, so the crowded names are mechanically the most-cut ones. A list of what institutions are selling is, to a large extent, a list of what institutions own.

Amazon Com Inc makes the point. 15 funds cut it, which puts it on this list, but 24 added — the only name here where the adders outnumber the cutters. It is on the page because 47 funds hold it, not because the roster is leaving.

All 3 picks are the same issuer. Space Exploration Techn Corp is the quarter’s largest arrival by a wide margin — the top new line in 3 different books and the top row of the openings table at once — and a 13F records only that each of them held it on Jun 30, 2026, never who decided what, when, or why. Strip it out and there is still a quarter to read: 19 funds opened Cerebras Systems Inc for $5.2B between them, and 22 of the 41 funds holding Meta Platforms Inc cut it.

A 13F is a snapshot of long US-listed positions in Section 13(f) securities, due 45 days after the quarter it describes. The 81 filings that cover this period report positions as of Jun 30, 2026 and reached EDGAR between Jul 21, 2026 and Aug 18, 2026, so every figure above was already weeks old when it became public and is older now. It shows no short positions and no private holdings, and nothing listed only on a foreign exchange, so a fund that looks long a name here may be flat or short it in reality. What it does show beyond stock is easy to miss. Section 13(f) covers certain convertible notes as well as equities, and 20 of these 85 funds report $27.8B of such debt. Options, meanwhile, are reported at the market value of the underlying shares rather than at what was paid for them. Across this roster $3.32T of reported value contains $2.29T of stock, leaving 31% in that debt, in options notional and in other reportable instruments — which is why every table above is built on the stock figure. What 13F filings don’t show works through the blind spots, and why 13F filings are delayed explains the lag.