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?

4177 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 Q1 2026

Latest Period

Q1 2026

Institutions Reporting

4,177

Shares (Excl. Options)

310,011,396

Price

$996.43

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Type / Class: Equity / COM
Symbol: COST on Nasdaq
Price per share: $998.67
All holders as of 31 Mar 2026: Q1 2026
Total 13F shares: 310,011,396
Total reported value: $308,336,272,059
% of total 13F portfolios: 0.33%
Share change: -1,291,786
Value change: -$328,401,370
Number of holders: 4,177
Price from insider filings: $998.67

Reported Shares, Excluding Options vs Price

Reported Value, Excluding Options

Total Investors

Key facts

COST - COSTCO WHOLESALE CORP /NEW - COM is tracked under CUSIP 22160K105.
4177 institutions reported positions in Q1 2026.
Schedule 13D/13G significant owner rows are not currently available.

Change

Holder count moved from 4,084 to 4,177 between Q4 2025 and Q1 2026.
Reported value moved from $263,274,344,587 to $308,336,272,059.

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 4177 institutions filings for Q1 2026.

Open SEC Evidence

Security key

22160K105

Latest holder period

Q1 2026

13F holders

4,177

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:

Q1 2026 (4177 holders) Q4 2025 (4084 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) Q4 2023 (3315 holders)

As of 31 Mar 2026, 4,177 institutional investors reported holding 310,011,396 shares of COSTCO WHOLESALE CORP /NEW - COM (COST).

Institutional Holders of COSTCO WHOLESALE CORP /NEW - COM (COST) across Reporting Periods

Period	Reported Shares, Excl. Options	Value, Excl. Options	Value Change	Puts Notional Value	Calls Notional Value	Price (Median)	Investors
2026 Q1	310,011,396	$308,336,272,059	-$328,401,370	$6,310,413,857	$5,830,922,952	$996.43	4,177
2025 Q4	305,404,664	$263,274,344,587	+$6,382,517,363	$6,686,701,280	$6,432,220,029	$862.34	4,084
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
2020 Q1	307,067,553	$87,588,674,032	-$560,584,683	$1,862,751,000	$1,461,624,000	$285.13	2,037
2019 Q4	308,626,035	$90,680,850,719	-$1,422,720,041	$2,066,855,000	$1,282,168,000	$293.92	1,984
2019 Q3	313,147,475	$90,194,528,923	-$1,144,398,752	$1,838,464,000	$1,319,261,000	$288.11	1,807
2019 Q2	317,605,542	$83,897,062,048	+$1,356,499,201	$1,335,210,000	$844,798,000	$264.26	1,735
2019 Q1	317,825,680	$76,914,748,937	+$21,990,518	$1,086,276,000	$906,848,000	$242.14	1,692
2018 Q4	318,002,505	$64,750,855,366	+$347,814,032	$1,419,151,000	$922,344,000	$203.71	1,649
2018 Q3	315,568,619	$74,078,978,846	+$963,482,334	$1,473,702,000	$1,005,787,000	$234.88	1,590
2018 Q2	311,913,086	$65,146,466,522	-$1,254,246,474	$1,313,254,000	$996,325,000	$208.98	1,543
2018 Q1	317,455,978	$59,776,794,824	-$498,956,576	$1,546,908,465	$686,042,791	$188.43	1,501
2017 Q4	320,496,565	$59,604,881,781	+$777,391,541	$1,897,757,764	$1,051,431,432	$186.12	1,517
2017 Q3	315,485,420	$51,813,424,954	-$937,438,985	$1,566,754,000	$1,008,869,000	$164.29	1,348
2017 Q2	321,460,310	$51,410,939,266	-$232,966,684	$1,834,506,000	$862,611,000	$159.93	1,362
2017 Q1	327,719,912	$54,959,521,258	+$4,713,390,268	$817,433,242	$751,020,000	$167.69	1,322
2016 Q4	323,296,842	$51,752,016,904	+$783,630,437	$859,713,000	$670,228,000	$160.11	1,330
2016 Q3	319,222,582	$48,652,756,032	-$747,369,909	$883,158,000	$690,961,000	$152.51	1,225
2016 Q2	324,319,006	$50,941,595,046	+$525,790,096	$662,790,000	$611,493,000	$157.04	1,222
2016 Q1	318,649,297	$50,195,889,016	-$3,565,177	$402,944,000	$446,876,000	$157.58	1,222
2015 Q4	320,159,889	$51,704,512,492	+$163,891,721	$465,681,000	$306,963,000	$161.50	1,243
2015 Q3	319,958,215	$46,259,263,907	+$548,646,613	$468,269,000	$385,096,000	$144.57	1,161
2015 Q2	317,535,749	$42,890,940,310	-$1,219,922,739	$487,028,000	$293,784,000	$135.06	1,157
2015 Q1	326,457,818	$49,437,135,718	-$86,822,323	$458,069,000	$303,222,000	$151.49	1,161
2014 Q4	327,331,557	$46,398,539,312	+$224,640,135	$585,899,000	$429,403,000	$141.75	1,124
2014 Q3	325,114,000	$40,733,882,954	+$373,088,732	$580,894,000	$465,974,000	$125.32	1,013
2014 Q2	322,143,764	$37,098,793,892	-$559,361,728	$411,274,000	$347,479,000	$115.16	993
2014 Q1	327,394,157	$36,568,254,467	-$362,318,800	$405,157,000	$324,418,000	$111.68	983