What is CUSIP 22160K105?

CUSIP 22160K105 is the security identifier used in SEC filing datasets for COST - COSTCO WHOLESALE CORP /NEW - COM.

Who owns COST - COSTCO WHOLESALE CORP /NEW - COM based on 13F filings?

4221 institutions reported positions in COST - COSTCO WHOLESALE CORP /NEW - COM as of Q1 2026. Open the latest holders period and ownership history tables on this page for position-level details.

Security Snapshot

COSTCO WHOLESALE CORP /NEW - COM (COST) Institutional Ownership

CUSIP: 22160K105

13F Institutional Holders and Ownership History from Q1 2014 to Q2 2026

Latest Period

Q1 2026

Institutions Reporting

4,221

Shares (Excl. Options)

310,380,250

Price

$996.43

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Security type / class: Equity / COM
Symbol: COST on Nasdaq
All holders as of 31 Mar 2026: Q1 2026
Total 13F shares: 310,380,250
Total 13F value: $308,704,934,385
Portfolio coverage rank: 0.33%
Share change: -1,254,072
Value change: -$300,755,503
Number of holders: 4,221
SEC-reported price per share: $935.47
Insider filing price: $935.47

13F Shares, Excluding Options vs Price

13F Value, Excluding Options

Total Investors

Key facts

COST - COSTCO WHOLESALE CORP /NEW - COM is tracked under CUSIP 22160K105.
4221 institutions reported positions in Q1 2026.
Schedule 13D/13G significant owner rows are not currently available.

Change

Holder count moved from 4,221 to 314 between Q1 2026 and Q2 2026.
SEC-reported value moved from $308,704,934,385 to $2,647,331,059.

Research use

You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Evidence

Source: SEC Form 13F

Latest holder context comes from 4221 institutions filings for Q1 2026.

Open SEC evidence

Security key

22160K105

Latest holder period

Q1 2026

13F holders

4,221

13D/G owners

CIK / CUSIP context first

Open Q1 2026 holders COST full holder history COSTCO WHOLESALE CORP /NEW SEC filings COSTCO WHOLESALE CORP /NEW company facts COSTCO WHOLESALE CORP /NEW insider transactions

Broader feeds

Latest 13F filings Latest 13D/G filings All securities

Recent Quarterly Holder Reports

Open recent reporting periods for CUSIP 22160K105:

Q2 2026 (314 holders) Q1 2026 (4221 holders) Q4 2025 (4096 holders) Q3 2025 (3904 holders) Q2 2025 (3961 holders) Q1 2025 (3901 holders) Q4 2024 (3894 holders) Q3 2024 (3551 holders) Q2 2024 (3484 holders) Q1 2024 (3378 holders)

As of 31 Mar 2026, 4,221 institutional investors reported holding 310,380,250 shares of COSTCO WHOLESALE CORP /NEW - COM (COST).

Quarter history

Institutional holders across reporting periods

Holder count, reported shares/value, and median price by quarter.

Periods

Latest

Q1 2026

Rows shown

1-25 of 50

Period	13F Shares, Excl. Options	Value, Excl. Options	Value Change	Puts Notional Value	Calls Notional Value	Price (Median)	Investors
2026 Q2	2,829,898	$2,647,331,059	+$149,933,488	$2,338,675	$0	$935.47	314
2026 Q1	310,380,250	$308,704,934,385	-$300,755,503	$6,310,413,857	$5,830,922,952	$996.43	4,221
2025 Q4	305,427,873	$263,294,361,433	+$6,389,716,175	$6,686,701,280	$6,432,220,029	$862.34	4,096
2025 Q3	296,448,889	$274,202,459,229	-$8,590,281,785	$8,485,336,714	$7,532,806,194	$925.63	3,904
2025 Q2	305,181,370	$301,965,110,594	+$6,170,234,606	$7,735,636,360	$5,770,246,461	$989.94	3,961
2025 Q1	298,942,417	$282,691,740,406	-$5,309,121,494	$8,538,818,913	$6,388,001,292	$945.78	3,901
2024 Q4	304,597,259	$279,157,860,481	+$2,314,561,100	$10,031,819,325	$6,918,822,896	$916.27	3,894
2024 Q3	300,327,601	$266,233,428,383	-$2,421,272,771	$8,768,285,130	$6,570,301,101	$886.52	3,551
2024 Q2	303,147,662	$257,621,175,757	+$478,124,033	$6,855,027,481	$5,149,417,321	$849.99	3,484
2024 Q1	302,122,229	$221,272,290,669	-$499,061,335	$6,592,477,393	$5,160,917,147	$732.63	3,378
2023 Q4	303,688,990	$200,733,973,518	+$1,628,629,828	$5,872,362,334	$4,386,773,357	$660.08	3,315
2023 Q3	300,703,932	$169,856,043,814	-$88,981,662	$3,513,829,665	$2,742,934,618	$564.96	3,049
2023 Q2	300,707,368	$161,759,519,884	+$100,301,378	$3,054,243,474	$2,547,982,675	$538.38	3,010
2023 Q1	300,319,627	$149,174,830,603	-$45,280,205	$3,049,258,174	$2,317,526,152	$496.87	2,909
2022 Q4	300,369,919	$137,302,383,619	+$481,685,606	$3,401,736,260	$2,528,144,772	$456.50	2,902
2022 Q3	298,480,653	$141,019,132,607	+$800,188,577	$3,144,053,453	$2,734,806,298	$472.27	2,794
2022 Q2	296,426,623	$142,076,930,667	+$288,209,761	$2,735,723,614	$2,400,363,230	$479.28	2,744
2022 Q1	299,417,937	$172,313,427,861	-$253,059,711	$4,236,530,825	$3,222,416,290	$575.85	2,832
2021 Q4	299,757,260	$169,969,200,540	-$57,295,901	$5,131,717,740	$4,638,888,770	$567.70	2,786
2021 Q3	298,186,172	$133,949,652,250	-$864,301,349	$4,150,110,420	$3,551,430,775	$449.35	2,441
2021 Q2	300,368,608	$118,807,385,564	+$2,185,675,986	$2,542,096,511	$2,647,305,812	$395.67	2,367
2021 Q1	295,109,544	$103,977,463,154	-$2,336,081,050	$3,594,280,992	$2,993,176,000	$352.48	2,332
2020 Q4	301,866,746	$113,612,273,851	-$727,257,500	$3,565,142,270	$2,843,019,230	$376.78	2,335
2020 Q3	303,922,130	$107,798,018,343	-$668,672,028	$3,313,678,500	$3,179,333,500	$355.00	2,148
2020 Q2	305,779,048	$92,716,058,531	-$302,960,338	$2,170,371,629	$1,534,308,980	$303.21	2,064