3783 tracked 13F filers disclose a position in COST as of the latest SEC 13F filings, a combined $281.1B in reported value. Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | $34.8B | 34.9M | ▼−0.4% Reduced · −152K sh | Q1 2026 | |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | $28.7B | 28.8M | →First observed position No prior filed position | Q1 2026 | |
| 3 | STATE STREET CORP | $17.2B | 18.4M | ▲+1.3% Added · +233K sh | Q2 2026 | |
| 4 | VANGUARD PORTFOLIO MANAGEMENT LLC | $10.7B | 10.7M | →First observed position No prior filed position | Q1 2026 | |
| 5 | GEODE CAPITAL MANAGEMENT, LLC | $9.9B | 10.6M | ▼−0.3% Reduced · −32K sh | Q2 2026 | |
| 6 | MORGAN STANLEY | $9.9B | 9.9M | ▲+3.9% Added · +375K sh | Q1 2026 | |
| 7 | BANK OF AMERICA CORP /DE/ | $7.5B | 7.5M | ▲+11% Added · +774K sh | Q1 2026 | |
| 8 | FMR LLC | $6.7B | 6.7M | ▲+0.4% Added · +25K sh | Q1 2026 | |
| 9 | NORGES BANK | $5.2B | 6.0M | ▲+4.8% Added · +275K sh | Q4 2025 | |
| 10 | NORTHERN TRUST CORP | $4.9B | 4.9M | ▲+0.3% Added · +14K sh | Q1 2026 | |
| 11 | JPMORGAN CHASE & CO | $4.0B | 4.0M | ▲+36% Added · +1.1M sh | Q1 2026 | |
| 12 | ROYAL BANK OF CANADA | $3.7B | 3.8M | ▼−4.9% Reduced · −194K sh | Q1 2026 | |
| 13 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $3.4B | 3.4M | ▲+3.6% Added · +118K sh | Q1 2026 | |
| 14 | Bank of New York Mellon Corp | $3.4B | 3.4M | ▼−3.6% Reduced · −127K sh | Q1 2026 | |
| 15 | Fisher Asset Management, LLC | $3.2B | 3.2M | ▲+1.4% Added · +44K sh | Q1 2026 | |
| 16 | GOLDMAN SACHS GROUP INC | $3.2B | 3.2M | ▲+24% Added · +624K sh | Q1 2026 | |
| 17 | WELLS FARGO & COMPANY/MN | $3.1B | 3.1M | ▲+2.2% Added · +68K sh | Q1 2026 | |
| 18 | Nuveen, LLC | $3.1B | 3.1M | ▲+41% Added · +901K sh | Q1 2026 | |
| 19 | UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AME | $2.9B | 2.9M | ▲+5.5% Added · +151K sh | Q1 2026 | |
| 20 | Amundi | $2.8B | 2.8M | ▲+11% Added · +283K sh | Q1 2026 | |
| 21 | ALLIANCEBERNSTEIN L.P. | $2.4B | 2.8M | ▼−2.9% Reduced · −82K sh | Q1 2026 | |
| 22 | PRICE T ROWE ASSOCIATES INC /MD/ | $2.6B | 2.6M | ▲+32% Added · +622K sh | Q1 2026 | |
| 23 | VANGUARD FIDUCIARY TRUST CO | $2.6B | 2.6M | →First observed position No prior filed position | Q1 2026 | |
| 24 | Legal & General Group Plc | $2.5B | 2.5M | ▲+0.5% Added · +12K sh | Q1 2026 | |
| 25 | UBS Group AG | $2.5B | 2.5M | ▼−8.7% Reduced · −236K sh | Q1 2026 |
Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
Last quarter, 0 funds opened a new position in COST and 21 added to an existing one, while 9 reduced and 0 exited entirely — based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 2529 funds | $417.3B |
| APPLE INCAAPL | 2512 funds | $468.3B |
| AMAZON.COM INCAMZN | 2482 funds | $318.4B |
| NVIDIA CORPNVDA | 2463 funds | $581.7B |
| ALPHABET INC-CL AGOOGL | 2427 funds | $286.7B |
| JPMORGAN CHASE & COJPM | 2322 funds | $116.0B |
| ALPHABET INC-CL CGOOG | 2297 funds | $193.5B |
| META PLATFORMS INC-CLASS AMETA | 2237 funds | $170.6B |
| BERKSHIRE HATHAWAY INC-CL BBRK/B | 2230 funds | $64.9B |
| BROADCOM INCAVGO | 2190 funds | $232.0B |
| ELI LILLY & COLLY | 2189 funds | $123.0B |
| VISA INC-CLASS A SHARESV | 2157 funds | $105.0B |
Ranked by how many of COST's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Jun 23, 2026 | DENMAN KENNETH D | Director | Sell (S) | 885 | $847K |
| Apr 1, 2026 | Frates Caton | Executive Vice President | Sell (S) | 700 | $695K |
| Mar 9, 2026 | Adamo Claudine | Executive Vice President | Sell (S) | 730 | $732K |
| Jan 21, 2026 | Jones Teresa A. | Executive Vice President | Sell (S) | 850 | $838K |
| Jan 16, 2026 | DECKER SUSAN L | Director | Sell (S) | 458 | $437K |
| Jan 14, 2026 | Klauer James C | Executive Vice President | Sell (S) | 2K | $1.4M |
| Jan 9, 2026 | Miller Russell D | Sr. Executive Vice President | Sell (S) | 2K | $1.4M |
| Dec 30, 2025 | POLIT JAVIER | Executive Vice President | Sell (S) | 558 | $482K |
| Dec 29, 2025 | POLIT JAVIER | Executive Vice President | Sell (S) | 2K | $1.8M |
| Nov 7, 2025 | Wilcox William Richard | Executive Vice President | Sell (S) | 2K | $2.2M |
| Oct 24, 2025 | Adamo Claudine | Executive Vice President | Sell (S) | 3K | $2.5M |
| Oct 24, 2025 | Barbre Tiffany Marie | Insider | Sell (S) | 1K | $1.2M |
| Class | 13F holders | Value held |
|---|---|---|
| COSTthis pagecs | 3783 funds | $281.2B |
| 22160K905ION CALL | 2 funds | $20.6M |
| 22160K955PUT | 2 funds | $20.1M |
| 22160K106COM | 1 funds | $1.3M |
Same issuer, multiple share classes. The consensus leaderboards count this company once across all classes; this is the per-class detail.
Connected entities for COST
This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/COST/capital-change-brief"
Use Arkolith's capital_change_brief for COST. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for COST. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.