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SIMPLEX TRADING, LLC

Position in UPST — Upstart Holdings, Inc.

CIK 1488542 CHICAGO, IL

Position in UPST

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$658,112
-$1,448,449 QoQ
Shares Held
18,575
-61.4% QoQ
Ownership
0.019%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#155
of 364 holders
Holding Since
Mar 2021
9 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in UPST Over Time

Shares Held

Position Value (USD)

Position in Credit Services

Financial Services · as of Jun 30, 2026

SIMPLEX TRADING, LLC holds $34,796,498 across 22 Credit Services names. UPST ranks #7 (1.9% of the industry book) .

# Ticker Company Shares Value (USD) Open
7 UPST
Upstart Holdings, Inc.
This page
18,575 $658,112

All Filings in UPST

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9 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $658,112 18,575
2025-12-31 $2,106,561 48,172
2024-09-30 $10,597,968 264,883
2024-06-30 $1,267,467 53,729
2022-03-31 $2,911,612 26,690
2021-12-31 $13,140,556 86,851
2021-09-30 $25,619,615 80,962
2021-06-30 $10,517,953 84,211
2021-03-31 $890,809 6,913