Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
4,146 institutional managers reported holding COST for the quarter ended Mar 31, 2026. Together they hold about 69% of shares outstanding; the top 10 hold 34%. 298 opened new positions; 214 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| Vanguard Group | 44.16M | 9.94% | $44.01B | added +1.1% | ≤2013 |
| BlackRock | 34.95M | 7.86% | $34.82B | unchanged | ≤2013 |
| State Street | 18.15M | 4.08% | $18.09B | unchanged | ≤2013 |
| Geode Capital | 10.66M | 2.40% | $10.62B | added +2.6% | ≤2013 |
| Morgan Stanley | 9.90M | 2.23% | $9.86B | added +3.9% | ≤2013 |
| Bank OF America CORP /DE/ | 7.52M | 1.69% | $7.49B | added +11.5% | ≤2013 |
| Diamant Asset Management, INC. | 6.73M | 1.51% | $6.70B | added +99278% | 2017 Q4 |
| FMR (Fidelity) | 6.72M | 1.51% | $6.69B | unchanged | ≤2013 |
| UBS | 5.39M | 1.21% | $5.37B | trimmed -1.6% | ≤2013 |
| Northern Trust | 4.93M | 1.11% | $4.91B | unchanged | ≤2013 |
| Invesco | 4.31M | 0.97% | $4.30B | unchanged | ≤2013 |
| Royal Bank OF Canada | 3.76M | 0.85% | $3.75B | trimmed -4.9% | ≤2013 |
| Charles Schwab Investment Management | 3.40M | 0.77% | $3.39B | added +3.6% | ≤2013 |
| BNY Mellon | 3.39M | 0.76% | $3.38B | trimmed -3.6% | ≤2013 |
| Fisher Investments | 3.22M | 0.72% | $3.21B | added +1.4% | 2014 Q3 |
| Goldman Sachs | 3.21M | 0.72% | $3.20B | added +24.2% | ≤2013 |
| Wells Fargo & COMPANY/MN | 3.11M | 0.70% | $3.10B | added +2.2% | ≤2013 |
| Nuveen | 3.07M | 0.69% | $3.06B | added +41.5% | ≤2013 |
| Amundi | 2.84M | 0.64% | $2.83B | added +11.1% | 2017 Q4 |
| AllianceBernstein | 2.77M | 0.62% | $2.76B | trimmed -2.9% | ≤2013 |
| Capital International Investors | 2.75M | 0.62% | $2.74B | added +329.4% | 2014 Q1 |
| T. Rowe Price | 2.58M | 0.58% | $2.57B | added +31.8% | ≤2013 |
| Legal & General Group PLC | 2.50M | 0.56% | $2.50B | unchanged | ≤2013 |
| Jennison Associates LLC | 2.31M | 0.52% | $2.30B | added +3.8% | ≤2013 |
| Capital Group (American Funds) | 2.03M | 0.46% | $2.03B | trimmed -48.3% | ≤2013 |
| American Century Companies INC | 1.81M | 0.41% | $1.80B | added +3.7% | ≤2013 |
| Dimensional Fund Advisors | 1.68M | 0.38% | $1.68B | added +0.6% | ≤2013 |
| Ameriprise Financial INC | 1.45M | 0.33% | $1.44B | trimmed -6.4% | ≤2013 |
| Franklin Resources | 1.44M | 0.32% | $1.43B | added +70.1% | ≤2013 |
| Raymond James Financial INC | 1.40M | 0.32% | $1.40B | added +2.3% | ≤2013 |
| Bank OF Montreal /CAN/ | 1.37M | 0.31% | $1.37B | trimmed -23.5% | ≤2013 |
| Deutsche Bank AG\ | 1.35M | 0.30% | $1.35B | trimmed -4.3% | 2013 Q3 |
| Mitsubishi UFJ Asset Management CO., LTD. | 1.32M | 0.30% | $1.31B | added +6.2% | ≤2013 |
| Swiss National Bank | 1.30M | 0.29% | $1.30B | added +7.3% | ≤2013 |
| BNP Paribas Financial Markets | 1.26M | 0.28% | $1.25B | trimmed -27.4% | ≤2013 |
| Principal Financial Group INC | 1.15M | 0.26% | $1.15B | trimmed -3.1% | ≤2013 |
| LPL Financial LLC | 1.11M | 0.25% | $1.11B | added +4.4% | ≤2013 |
| Hsbc Holdings PLC | 1.09M | 0.24% | $1.08B | trimmed -3.9% | ≤2013 |
| Barclays PLC | 1.07M | 0.24% | $1.06B | trimmed -25.1% | ≤2013 |
| Sumitomo Mitsui Trust Group, INC. | 1.05M | 0.24% | $1.05B | trimmed -3.2% | ≤2013 |
| AQR Capital | 1.03M | 0.23% | $1.02B | added +211.9% | ≤2013 |
| CalPERS | 941.7k | 0.21% | $938.3M | trimmed -15.2% | ≤2013 |
| TD Asset Management INC | 937.2k | 0.21% | $933.9M | added +24.6% | ≤2013 |
| National Pension Service | 933.6k | 0.21% | $930.2M | added +1.6% | 2014 Q3 |
| Neuberger Berman Group LLC | 892.2k | 0.20% | $889.0M | added +6.8% | ≤2013 |
| D. E. Shaw | 885.2k | 0.20% | $882.0M | trimmed -4.2% | ≤2013 |
| CPP Investment Board | 876.1k | 0.20% | $873.0M | trimmed -10.1% | ≤2013 |
| Two Sigma | 874.8k | 0.20% | $871.7M | added +237.6% | 2023 Q1 |
| SG Americas Securities, LLC | 817.4k | 0.18% | $814.5M | added +75.1% | ≤2013 |
| Rhumbline Advisers | 816.2k | 0.18% | $813.3M | trimmed -1.8% | ≤2013 |
Largest 50 of 4,146 shown; the full ranked, searchable register is at boothcheck.com/holders/COST. Related filers are grouped using the filings' own included-manager declarations. Historically, several managers opening new positions in the same quarter said almost nothing about the quarter that followed (59,118 cases since 2013). A filed record, not a forecast. Nothing here is investment advice.