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VOL. XII · NO. 117Established MMXIV · George Town, Grand CaymanAtlantic Edition · $4.50

The Cayman Journal

Finance · Business · Technology · Caribbean & Global Affairs
CUSIP 22160K905

COSTCO WHSL CORP NEW

23 institutions · $2.19B total · 2,562,398 shares

#ManagerSharesValue% of TotalPeriod
1IMC-Chicago, LLC1,245,000$1.07B48.58%2025-12-31
2JANE STREET GROUP, LLC350,900$298.3M13.69%2024-06-30
3SIMPLEX TRADING, LLC335,700$289.5M13.10%2025-12-31
4Optiver Holding B.V.160,900$138.8M6.27%2025-12-31
5Twin Tree Management, LP247,600$133.3M9.66%2023-09-30
6CTC LLC1,857$104.9M0.07%2023-12-31
7NATIONAL BANK OF CANADA /FI/500$45.8M0.01%2024-12-31
8JPMORGAN CHASE & CO47,800$41.2M1.86%2025-12-31
9GROUP ONE TRADING, L.P.30,500$26.3M1.19%2025-12-31
10Allianz Asset Management GmbH40,800$23.1M1.59%2023-12-31
11Gladius Capital Management LP11,600$10.0M0.45%2025-12-31
12Maven Securities LTD8,100$8.0M0.31%2025-06-30
13CenterStar Asset Management, LLC1,300$1.1M0.05%2025-12-31
14GARDA CAPITAL PARTNERS LP500$443.3K0.01%2024-09-30
15Marathon Trading Investment Management LLC300$169.5K0.01%2023-12-31
16ADVISOR GROUP HOLDINGS, INC.4$61.0K0.00%2025-12-31
17AlphaCore Capital LLC24$58.8K0.00%2025-12-31
18SUMITOMO MITSUI FINANCIAL GROUP, INC.500$8.0K0.01%2023-12-31
19Capital Markets Trading UK LLP3,000$1.5K0.11%2023-06-30
20SG Americas Securities, LLC74,800$6242.91%2025-12-31
21HRT FINANCIAL LP700$6030.02%2025-12-31
22CI INVESTMENTS INC.13$90.00%2025-09-30
23CONCOURSE FINANCIAL GROUP SECURITIES, INC.0$00.00%2025-06-30