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Livermore
Livermore
ZHEN

Simplex Trading, LLC

SEC CIK
0001488542
Latest filing
Aug 12, 2026

UPWK holding history

Upwork, Inc in every 13F filed by Simplex Trading, LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

UPWK overviewAll 13F holders of UPWKFull Q2 2026 holdings

Shares (Q2 2026)
10,852
Value
$90.7K
% of portfolio
<0.1%
Quarters held
17
Since Q1 2021
Holdings of UPWK by Simplex Trading, LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 202610,852$90.7K<0.1%+10,852NewHolders
Q1 20260$00.0%−19,197−100.0%Sold outHolders
Q4 202519,197$380.5K<0.1%−41,005−68.1%ReducedHolders
Q3 202560,202$1.12M<0.1%−8,397−12.2%ReducedHolders
Q2 202568,599$921.0K<0.1%+11,880+20.9%AddedHolders
Q1 202556,719$740.0K<0.1%−46,670−45.1%ReducedHolders
Q4 2024103,389$1.69M<0.1%+49,615+92.3%AddedHolders
Q3 202453,774$561.0K<0.1%+29,082+117.8%AddedHolders
Q2 202424,692$265.0K<0.1%+13,528+121.2%AddedHolders
Q1 202411,164$136.0K<0.1%−32,014−74.1%ReducedHolders
Q4 202343,178$642.0K<0.1%+40,885+1,783.0%AddedHolders
Q3 20232,293$26.0K<0.1%−32,715−93.5%ReducedHolders
Q2 202335,008$326.0K<0.1%+30,679+708.7%AddedHolders
Q1 20234,329$49.0K<0.1%−7,529−63.5%ReducedHolders
Q4 202211,858$123.0K<0.1%+11,858NewHolders
Q3 20220$00.0%−2,800−100.0%Sold outHolders
Q2 20222,800$57.0K<0.1%+2,800NewHolders
Q1 20220$00.0%−453−100.0%Sold outHolders
Q4 2021453$15.0K<0.1%+453NewHolders
Q2 20210$00.0%−24,362−100.0%Sold outHolders
Q1 202124,362$1.09M0.1%––Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.