236 articles 4 sections last published 2026-08-31 independent · no sponsored placements

Fund index

VOO

116 articles on this site analyse VOO — 20 of them head-on.

Measured concentration

as of 2026-06-30
513 Holdings (nominal)
51.5 Effective holdings
10× Overstatement
36.4% Top 10 weight

VOO reports 513 positions, but the weights make it behave like about 51.5 equally weighted ones. Computed by this site from the fund's SEC Form N-PORT filing — see what this measure does not tell you and the full table.

The same filing says what kind of price those positions carry: 100% of VOO is held at a quoted market price, from a single issuer country . Comparisons across every fund are in the valuation table, and what a low share does and does not mean is worth reading before drawing a conclusion from it.

Every filing since 2019

28

Between 2019-09-30 and 2026-06-30, VOO went from behaving like 112 equally weighted positions to 51.5 — 54% fewer, while its top ten went from 21.5% to 36.4% of net assets. Read across the funds on the concentration-over-time table.

PeriodHoldingsEffective Top 10Largest
2026-06-30 513 51.5 36.4% 7.51%
2026-03-31 511 51.3 36.49% 7.58%
2025-12-31 507 45.8 39.2% 7.75%
2025-09-30 526 45.4 38.83% 7.97%
2025-06-30 536 49 36.68% 7.35%
2025-03-31 515 56.6 33.56% 7.01%
2024-12-31 507 48.3 37.29% 7.59%
2024-09-30 511 52.4 34.59% 7.26%
2024-06-30 509 49.8 35.81% 7.26%
2024-03-31 513 60.4 32.11% 7.08%
2023-12-31 523 61.7 30.78% 7.01%
2023-09-30 507 64 30.51% 6.98%
2023-06-30 517 60.4 30.42% 7.7%
2023-03-31 512 70.2 27.3% 7.12%
2022-12-31 512 85.5 24.31% 6.03%
2022-09-30 506 72.5 27.64% 6.89%
2022-06-30 507 74.7 26.81% 6.56%
2022-03-31 513 67.6 29.31% 7.03%
2021-12-31 515 68.1 29.2% 6.83%
2021-09-30 514 74.8 28.01% 6.06%
2021-06-30 516 77 27.32% 5.89%
2021-03-31 526 81.9 26.23% 5.71%
2020-12-31 521 72.9 27.28% 6.68%
2020-09-30 519 69 27.82% 6.65%
2020-06-30 520 74.2 26.83% 6%
2020-03-31 523 85 25.14% 5.58%
2019-12-31 523 103.7 22.58% 4.57%
2019-09-30 521 112 21.5% 4.29%

One row per filed reporting period, newest first, read from EDGAR. Quarterly because that is the public filing cadence. Rows marked * are published but held out of the comparison above; the methodology page says when and why.

Most often compared against

6

Measures applied to it

8

All articles

116

Mentions are detected across the full text of every article, so an appearance may be a passing comparison rather than the subject. Nothing here is a recommendation to buy or sell — see the disclaimer.