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SIMPLEX TRADING, LLC

Position in TTD — Trade Desk, Inc.

CIK 1488542 CHICAGO, IL

Position in TTD

as of Mar 31, 2026 · filed May 14, 2026
Position Value
$2,871,033
+$2,129,371 QoQ
Shares Held
126,533
+547.6% QoQ
Ownership
0.027%
of shares outstanding
% of Portfolio
0.10%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Jun 2020
17 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in TTD Over Time

Shares Held

Position Value (USD)

Position in Advertising Agencies

Communication Services · as of Mar 31, 2026

SIMPLEX TRADING, LLC holds $6,951,823 across 8 Advertising Agencies names. TTD ranks #2 (41.3% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 TTD
Trade Desk, Inc.
This page
126,533 $2,871,033

All Filings in TTD

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17 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $2,871,033 126,533
2025-12-31 $741,662 19,538
2025-03-31 $1,251,555 22,872
2023-09-30 $1,970,161 25,210
2023-06-30 $6,162,464 79,804
2023-03-31 $3,899,823 64,026
2022-12-31 $71,728 1,600
2022-09-30 $95,600 1,600
2022-06-30 $3,100,069 74,005
2022-03-31 $14,847,338 214,402
2021-12-31 $20,564,016 224,400
2021-09-30 $15,703,754 223,382
2021-06-30 $15,069,573 194,798
2021-03-31 $1,006,097 15,439
2020-12-31 $556,454 6,947
2020-09-30 $69,101 1,332
2020-06-30 $570,888 14,044