Simplex Trading, LLC

SEC CIK: 0001488542
Latest filing: Aug 12, 2026

SEC filings (opens in a new tab)

WORK holding history

Slack Technologies, 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.

WORK overview All 13F holders of WORK Full Q2 2026 holdings

Shares (Q3 2021): 0; Sold out in Q3 2021
Value: $0
% of portfolio: 0.0%
Quarters held: 2; Since Q1 2021

Holdings of WORK by Simplex Trading, LLC, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q3 2021	0	$0	0.0%	−116,357−100.0%	Sold out	Holders
Q2 2021	116,357	$5.15M	0.2%	−51,602−30.7%	Reduced	Holders
Q1 2021	167,959	$6.82M	0.4%	–	–	Holders

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