SIMPLEX TRADING, LLC
Position in XLB — State Street Materials Select Sector SPDR ETF
CIK 1488542
CHICAGO, IL
Position in XLB
as of Mar 31, 2026
· filed May 14, 2026
Position Value
$18,449,873
+$13,431,533 QoQ
Shares Held
369,219
+233.7% QoQ
Ownership
—
of shares outstanding
% of Portfolio
0.64%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
17 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in XLB Over Time
Shares Held
Position Value (USD)
All Filings in XLB
Export CSV
17 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $18,449,873 | 369,219 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 | $5,018,340 | 110,658 | Shares | Sole | 2026-02-11 | |
| 2025-06-30 | $7,631,215 | 86,906 | Shares | Sole | 2025-08-05 | |
| 2025-03-31 | $6,185,831 | 71,945 | Shares | Sole | 2025-05-12 | |
| 2024-12-31 | $8,487,622 | 100,875 | Shares | Sole | 2025-02-11 | |
| 2024-06-30 | $480,318 | 5,439 | Shares | Sole | 2024-07-25 | |
| 2023-09-30 | $2,318,167 | 29,512 | Shares | Sole | 2023-11-01 | |
| 2023-03-31 | $9,070,781 | 112,457 | Shares | Sole | 2023-04-27 | |
| 2022-12-31 | $1,712,999 | 22,052 | Shares | Sole | 2023-02-02 | |
| 2022-09-30 | $4,670,450 | 68,673 | Shares | Sole | 2022-11-04 | |
| 2022-06-30 | $2,035,260 | 27,653 | Shares | Sole | 2022-08-03 | |
| 2021-12-31 | $7,330,620 | 80,903 | Shares | Sole | 2022-02-23 | |
| 2021-03-31 | $2,952,084 | 37,463 | Shares | Sole | 2021-04-26 | |
| 2020-12-31 | $1,526,053 | 21,081 | Shares | Sole | 2021-02-02 | |
| 2020-09-30 | $1,027,213 | 16,141 | Shares | Sole | 2020-10-14 | |
| 2020-06-30 | $4,823,334 | 85,596 | Shares | Sole | 2020-07-13 | |
| 2020-03-31 | $5,456,055 | 121,138 | Shares | Sole | 2020-04-29 | |
| No filing history on record for this holder in this stock. | ||||||