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COSTCO WHSL CORP NEW (COST)
Institutional ownership, SEC filings and insider activity
Sector: Consumer Discretionary · SEC CIK 0000909832 · EDGAR filings · Updated 2026-07-14
COSTCO WHSL CORP NEW (COST) has reported institutional ownership of 70.0%, with 4,199 institutional managers holding positions valued at $301.6B per the latest 13F reporting period.
Latest updates
- 2026-07-14 — Insider transaction reported (Form 4)
- 2026-07-08 — Current report (8-K) filed
- 2026-06-29 — 11-K filed
- 2026-06-25 — Insider transaction reported (Form 4)
- 2026-06-23 — Notice of proposed sale filed (Form 144)
- 2026-06-12 — Notice of proposed sale filed (Form 144)
- 2026-06-05 — Notice of proposed sale filed (Form 144)
- 2026-06-03 — S-3ASR filed
Institutional ownership overview
According to SEC 13F filings tracked by Sightfile, COSTCO WHSL CORP NEW has 4,199 institutional holders and institutional ownership of 70.0%.
| # | Institution | Reported value | % of tracked total |
|---|---|---|---|
| 1 | BlackRock, Inc. | $34.8B | 11.5% |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | $28.7B | 9.5% |
| 3 | STATE STREET CORP | $18.1B | 6.0% |
| 4 | VANGUARD PORTFOLIO MANAGEMENT LLC | $10.7B | 3.5% |
| 5 | GEODE CAPITAL MANAGEMENT, LLC | $10.6B | 3.5% |
| 6 | MORGAN STANLEY | $9.86B | 3.3% |
| 7 | BANK OF AMERICA CORP /DE/ | $7.49B | 2.5% |
| 8 | FMR LLC | $6.69B | 2.2% |
| 9 | NORTHERN TRUST CORP | $4.91B | 1.6% |
| 10 | Invesco Ltd. | $4.30B | 1.4% |
Full holder history and quarter-over-quarter changes are available inside the app.
Insider activity
Insiders reported 99 transactions (0 buys, 19 sells) across 24 reporting insiders, with a net reported value of −$31.5M.
Quarterly net insider value, as reported in Form 4 filings.
Debt maturity schedule
Principal coming due by year for COSTCO WHSL CORP NEW, from the company's own SEC prospectus filings (424B) tracked by Sightfile.
| Year | Bond series maturing | Known principal due |
|---|---|---|
| 2027 | 3 | — |
| 2030 | 1 | — |
| 2032 | 1 | — |
Coupons, seniority and prospectus links for each series are available inside the app.
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See full history, cross-references and alerts on SightfileData sources: SEC EDGAR (filings, 13F, FTD), aggregated by Sightfile. Page updated 2026-07-14.