13FBOX
COSTCO WHOLESALE CORPORATION · 13F Institutional Holdings
Options Calculator Rankings

COSTCO WHOLESALE CORPORATION

COST
Institutions
4248
Combined AUM (Q2 2026)
$320.97B
Combined Shares (Q2 2026)
339.0M
Overall Trend
Increase
All institutions combined
📥 Inflow (Q1 2026→Q2 2026)
+31.2M
1958 · 259 New Buys · ≈
📤 Outflow (Q1 2026→Q2 2026)
-18.0M
1881 · 208 Exit · ≈
⚖️ Net
+13.2M
Net Buy
💰 Net Value
≈ —
est. price
Latest AUM (Q2 2026)
$320.97B
Institutions
4248
New Buys
259
Adds
1699
Reduces
1673
Exits
208
Unchanged
617
Ownership TrendPortfolio %Prev Q %RankQ2 2026 ValueQ2 2026 SharesPrev Q ValuePrev Q SharesShares ChangeAction
BlackRock, Inc.
0.47%0.6%#1447$32.00B34.2M$34.82B34.9M-744,206-2.13%Reduce
VANGUARD CAPITAL MANAGEMENT LLC
0.58%0.72%#1192$27.11B29.0M$28.74B28.8M+129,157+0.45%Add
STATE STREET CORP
0.51%0.62%#1337$17.20B18.4M$18.09B18.2M+232,719+1.28%Add
Invesco Ltd.
1.04%0.64%#632$13.09B14.0M$4.30B4.3M+9.7M+224.31%Add
GEODE CAPITAL MANAGEMENT, LLC
0.53%0.66%#1295$9.90B10.6M$10.58B10.7M-31,752-0.30%Reduce
VANGUARD PORTFOLIO MANAGEMENT LLC
0.44%0.57%#1543$9.73B10.4M$10.67B10.7M-303,080-2.83%Reduce
MORGAN STANLEY
0.51%0.53%#1352$9.56B10.2M$8.72B9.4M+804,789+8.55%Add
BANK OF AMERICA CORP /DE/
0.43%0.54%#1553$6.78B7.2M$7.49B7.5M-265,257-3.53%Reduce
SUSQUEHANNA INTERNATIONAL GROUP, LLP
0.49%0.49%#1398$6.26B6.7M$4.38B4.4M+2.3M+52.12%Add
NORGES BANK
0.6%0.74%#1144$6.06B6.5M$5.30B5.6M+865,791+15.44%Add
FMR LLC
0.25%0.35%#2267$5.77B6.2M$6.69B6.7M-555,048-8.26%Reduce
NORTHERN TRUST CORP
0.53%0.65%#1300$4.52B4.8M$4.91B4.9M-92,188-1.87%Reduce
ROYAL BANK OF CANADA
0.61%0.66%#1139$4.06B4.3M$3.76B3.8M+572,661+15.19%Add
JPMORGAN CHASE & CO
0.22%0.26%#2404$4.00B4.2M$4.03B4.0M+184,275+4.56%Add
CITADEL ADVISORS LLC
0.39%0.48%#1700$3.41B3.6M$2.95B3.0M+675,866+22.79%Add
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
0.45%0.52%#1499$3.40B3.6M$3.39B3.4M+231,372+6.80%Add
GOLDMAN SACHS GROUP INC
0.29%0.4%#2049$3.38B3.6M$3.46B3.5M+145,125+4.18%Add
Roehl & Yi Investment Advisors, LLC
1.14%1.72%#568$3.27B166,829$3.1M3,410+163,419+4,792.35%Add
Fisher Asset Management, LLC
0.91%1.09%#736$3.04B3.3M$3.21B3.2M+33,184+1.03%Add
Bank of New York Mellon Corp
0.49%0.62%#1385$3.01B3.2M$3.38B3.4M-176,566-5.21%Reduce
Nuveen, LLC
0.71%0.83%#957$2.98B3.2M$3.06B3.1M+115,824+3.77%Add
WELLS FARGO & COMPANY/MN
0.47%0.59%#1452$2.91B3.1M$3.10B3.1M-6,504-0.21%Reduce
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
0.52%0.6%#1312$2.87B3.1M$2.90B2.9M+160,893+5.53%Add
JANE STREET GROUP, LLC
0.23%0.21%#2345$2.82B3.0M$1.65B1.7M+1.4M+82.60%Add
UBS Group AG
0.34%0.38%#1881$2.66B2.8M$2.56B2.6M+273,183+10.62%Add
Capital International Investors
0.54%0.64%#1281$2.59B2.8M$2.74B2.7M+21,187+0.77%Add
ALLIANCEBERNSTEIN L.P.
0.86%0.77%#785$2.54B2.5M$2.39B2.8M-217,241-7.85%Reduce
Legal & General Group Plc
0.49%0.58%#1387$2.36B2.5M$2.50B2.5M+20,902+0.83%Add
VANGUARD FIDUCIARY TRUST CO
0.52%0.65%#1319$2.35B2.5M$2.55B2.6M-44,674-1.74%Reduce
Amundi
0.55%0.77%#1248$2.27B2.4M$2.83B2.8M-414,555-14.60%Reduce
JENNISON ASSOCIATES LLC
1.22%1.58%#529$2.03B2.2M$2.30B2.3M-146,390-6.33%Reduce
PRICE T ROWE ASSOCIATES INC /MD/
0.19%0.29%#2583$1.93B2.1M$2.57B2.6M-512,519-19.90%Reduce
Capital World Investors
0.23%0.28%#2378$1.91B2.0M$2.03B2.0M+9,463+0.47%Add
SG Americas Securities, LLC
0.83%0.9%#813$1.66B1.8M$814.5M817,441+955,931+116.94%Add
DIMENSIONAL FUND ADVISORS LP
0.28%0.35%#2111$1.55B1.7M$1.68B1.7M-29,856-1.77%Reduce
BANK OF MONTREAL /CAN/
0.46%0.53%#1476$1.38B1.5M$1.37B1.4M+107,015+7.79%Add
DEUTSCHE BANK AG\
0.4%0.45%#1672$1.37B1.5M$1.35B1.4M+109,754+8.11%Add
AMERICAN CENTURY COMPANIES INC
0.6%0.93%#1157$1.35B1.4M$1.80B1.8M-358,163-19.83%Reduce
RAYMOND JAMES FINANCIAL INC
0.36%0.43%#1808$1.32B1.4M$1.40B1.4M+9,724+0.69%Add
AMERIPRISE FINANCIAL INC
0.25%0.33%#2250$1.25B1.3M$1.44B1.4M-106,914-7.39%Reduce
AQR CAPITAL MANAGEMENT LLC
0.41%0.47%#1626$1.17B1.3M$1.02B1.0M+226,089+22.00%Add
HSBC HOLDINGS PLC
0.49%0.58%#1394$1.17B1.3M$1.10B1.1M+142,186+12.82%Add
Swiss National Bank
0.61%0.75%#1122$1.17B1.3M$1.30B1.3M-51,360-3.94%Reduce
CITIGROUP INC
0.37%0.4%#1755$1.12B1.2M$932.6M935,971+265,545+28.37%Add
MARSHALL WACE, LLP
0.87%0.26%#772$1.10B1.2M$263.4M264,341+910,425+344.41%Add
FRANKLIN RESOURCES INC
0.22%0.31%#2395$1.09B1.2M$1.43B1.4M-275,823-19.17%Reduce
Mitsubishi UFJ Asset Management Co., Ltd.
0.6%0.72%#1147$1.09B1.2M$1.07B1.1M+83,049+7.70%Add
BARCLAYS PLC
0.2%0.32%#2516$1.07B1.1M$1.33B1.3M-184,432-13.86%Reduce
LPL Financial LLC
0.24%0.3%#2309$1.07B1.1M$1.12B1.1M+22,176+1.97%Add
ACADIAN ASSET MANAGEMENT LLC
1.27%1.15%#504$1.07B1.1M$812.3M815,308+325,800+39.96%Add

🧭 Institutional Sector Flow Heatmap

Net Outflow Net Inflow