Slack Technologies, Inc.

WORKDelisted Jul 21, 2021

Industry: Services-Prepackaged Software
SEC CIK: 0001764925

SEC filings (opens in a new tab)

Slack Technologies, Inc. was delisted on Jul 21, 2021; its insiders filed their last Form 4 on Jul 22, 2021; 529 institutions reported holding it in 13F filings for Q2 2021, worth $19.2B in total; ARK Invest was the only superinvestor holding it.

13F holders, Q1 2021

Institutional positions in Slack Technologies, Inc. as of Mar 31, 2021. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders: 535; No complete 13F data for Q4 2020
Shares held: 435.3M; No complete 13F data for Q4 2020
Total value: $17.7B; No complete 13F data for Q4 2020

Holders and value by quarter

Institutions reporting WORK on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2021: 535 institutions

Value heldQ1 2021: $17.7B

Institutions holding WORK and their total value by quarter
Quarter	Holders	Value
Q2 2026	0	$0
Q1 2026	0	$0
Q4 2025	0	$0
Q3 2025	0	$0
Q2 2025	0	$0
Q1 2025	0	$0
Q4 2024	0	$0
Q3 2024	0	$0
Q2 2024	0	$0
Q1 2024	0	$0
Q4 2023	0	$0
Q3 2023	0	$0
Q2 2023	0	$0
Q1 2023	0	$0
Q4 2022	0	$0
Q3 2022	0	$0
Q2 2022	0	$0
Q1 2022	1	$9.00K
Q4 2021	0	$0
Q3 2021	3	$7.18M
Q2 2021	529	$19.2B
Q1 2021	535	$17.7B

Institutions, Q1 2021

Shares, value and share of portfolio for each institution holding Slack Technologies, Inc..

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

Institutions holding WORK in Q1 2021
Institution	Shares	Value	% of portfolio	Change in shares	Action
Western Standard LLC	313,080	$12.7M	9.12%	–	–
BCK Capital Management LP	320,857	$13.0M	7.17%	–	–
Yakira Capital Management, Inc.	334,239	$13.6M	2.74%	–	–
Driehaus Capital Management LLC	343,021	$13.9M	0.21%	–	–
Chicago Capital Management, LLC	350,000	$14.2M	6.62%	–	–
Parametric Portfolio Associates LLC	352,838	$14.3M	0.01%	–	–
Silphium Asset Management Ltd	360,000	$14.6M	6.91%	–	–
Kellner Capital, LLC	363,300	$14.8M	5.36%	–	–
Hunting Hill Global Capital, LLC	363,959	$14.8M	5.71%	–	–
Sands Capital Management, LLC	367,019	$14.9M	0.03%	–	–
Dynamic Technology Lab Private Ltd	370,144	$15.0M	1.70%	–	–
Wells Fargo & Company	370,930	$15.1M	0.00%	–	–
Greenlea Lane Capital Management, LLC	371,182	$15.1M	6.32%	–	–
Athos Capital Ltd	428,800	$17.4M	3.03%	–	–
Nomura Holdings Inc	442,200	$18.0M	0.13%	–	–
CNH Partners LLC	460,041	$18.7M	0.67%	–	–
GWM Asset Management Ltd	460,500	$18.7M	8.59%	–	–
Vivaldi Asset Management, LLC	480,200	$19.5M	3.82%	–	–
Two Sigma Investments, LP	486,975	$19.8M	0.06%	–	–
Alberta Investment Management Corp	489,883	$19.9M	0.18%	–	–
Moore Capital Management, LP	500,000	$20.3M	0.40%	–	–
Rhumbline Advisers	532,888	$21.7M	0.03%	–	–
Candriam Luxembourg S.C.A.	536,463	$21.8M	0.18%	–	–
Royal Bank of Canada	546,978	$22.2M	0.01%	–	–
State Board of Administration of Florida Retirement System	559,008	$22.7M	0.05%	–	–
Toronto Dominion Bank	562,024	$22.8M	0.04%	–	–
New York State Common Retirement Fund	572,700	$23.3M	0.03%	–	–
CQS (US), LLC	577,287	$23.5M	1.55%	–	–
Blair William & Co	586,779	$23.8M	0.09%	–	–
Vestcor Inc	606,740	$24.7M	0.92%	–	–
Jet Capital Investors L P	630,100	$25.6M	7.28%	–	–
Korea Investment CORP	663,200	$26.9M	0.09%	–	–
Berry Street Capital Management LLP	675,000	$27.4M	3.90%	–	–
Gabelli & Co Investment Advisers, Inc.	687,312	$27.9M	3.47%	–	–
Neuberger Berman Group LLC	691,712	$28.1M	0.03%	–	–
Renaissance Capital LLC	697,986	$28.4M	4.20%	–	–
National Pension Service	719,100	$29.2M	0.06%	–	–
ING Groep NV	727,500	$29.6M	0.61%	–	–
First Trust Advisors LP	732,229	$29.8M	0.04%	–	–
DLD Asset Management, LP	751,891	$30.5M	2.11%	–	–
Gabelli Funds LLC	757,817	$30.8M	0.21%	–	–
Alliancebernstein L.P.	788,528	$32.0M	0.01%	–	–
Picton Mahoney Asset Management	790,000	$32.1M	1.60%	–	–
Deutsche Bank AG	835,642	$34.0M	0.02%	–	–
Bardin Hill Management Partners LP	885,232	$36.0M	6.67%	–	–
Tibra Equities Europe Ltd	891,277	$36.2M	11.07%	–	–
Tudor Investment Corp Et Al	910,231	$37.0M	0.79%	–	–
Investmentaktiengesellschaft Fuer Langfristige Investoren TGV	930,000	$37.8M	3.31%	–	–
California State Teachers Retirement System	961,971	$39.1M	0.05%	–	–
Marshall Wace, LLP	982,359	$39.9M	0.21%	–	–
Public Sector Pension Investment Board	1,000,000	$40.6M	0.27%	–	–
Bank of Montreal	999,220	$41.6M	0.03%	–	–
California Public Employees Retirement System	1,041,599	$42.3M	0.03%	–	–
CIBC World Markets Corp	1,042,000	$42.3M	0.27%	–	–
RV Capital GmbH	1,050,558	$42.7M	13.67%	–	–
JPMorgan Chase & Co	1,054,362	$42.8M	0.01%	–	–
Spring Creek Capital LLC	1,055,000	$42.9M	1.85%	–	–
State of Wisconsin Investment Board	1,061,898	$43.1M	0.09%	–	–
HSBC Holdings PLC	1,061,085	$43.2M	0.06%	–	–
Two Sigma Advisers, LP	1,079,500	$43.9M	0.12%	–	–
IndexIQ Advisors LLC	1,111,524	$45.2M	1.60%	–	–
Alyeska Investment Group, L.P.	1,121,498	$45.6M	0.60%	–	–
Quinn Opportunity Partners LLC	1,142,100	$46.4M	2.94%	–	–
Citigroup Inc	1,151,958	$46.8M	0.04%	–	–
Samson Rock Capital LLP	1,177,330	$47.8M	11.96%	–	–
Barclays PLC	1,181,747	$48.0M	0.05%	–	–
Syquant Capital SAS	1,190,503	$48.4M	12.52%	–	–
Accel Growth Fund IV Associates L.L.C.	1,226,357	$49.8M	91.39%	–	–
Governors Lane LP	1,292,481	$52.5M	3.59%	–	–
Alphabet Inc.	1,299,771	$52.8M	2.13%	–	–
Segantii Capital Management Ltd	1,305,750	$53.1M	2.32%	–	–
Versor Investments LP	1,375,791	$55.9M	3.33%	–	–
Twin Securities, Inc.	1,375,868	$55.9M	35.88%	–	–
Sumitomo Mitsui Trust Holdings, Inc.	1,447,828	$58.8M	0.04%	–	–
Man Group plc	1,564,780	$63.6M	0.28%	–	–
UBS Asset Management Americas Inc	1,621,962	$65.9M	0.03%	–	–
Price T Rowe Associates Inc	1,624,234	$66.0M	0.01%	–	–
Credit Suisse AG	1,626,017	$66.1M	0.05%	–	–
Water Island Capital LLC	1,721,538	$69.9M	4.27%	–	–
Boussard & Gavaudan Investment Management LLP	1,733,333	$70.5M	6.84%	–	–
LMR Partners LLP	1,741,000	$70.7M	1.76%	–	–
Swiss National Bank	1,765,100	$71.7M	0.05%	–	–
Sand Grove Capital Management LLP	1,786,000	$72.6M	7.09%	–	–
Healthcare of Ontario Pension Plan Trust Fund	1,894,500	$77.0M	0.19%	–	–
Athanor Capital, LP	1,999,823	$81.3M	3.33%	–	–
American Century Companies Inc	2,042,415	$83.0M	0.06%	–	–
Weiss Multi-Strategy Advisers LLC	2,091,443	$85.0M	1.93%	–	–
Arrowstreet Capital, Limited Partnership	2,117,193	$86.0M	0.11%	–	–
Grantham, Mayo, Van Otterloo & Co. LLC	2,225,987	$90.4M	0.49%	–	–
Hudson Bay Capital Management LP	2,355,085	$95.7M	1.35%	–	–
Eaton Vance Management	2,418,467	$98.3M	0.15%	–	–
Carlson Capital L P	2,444,647	$99.3M	3.70%	–	–
Legal & General Group Plc	2,461,234	$100.0M	0.04%	–	–
Charles Schwab Investment Management Inc	2,493,023	$101.3M	0.04%	–	–
Magnetar Financial LLC	2,496,846	$101.4M	0.98%	–	–
Natixis	2,740,552	$111.3M	0.36%	–	–
PSquared Asset Management AG	2,880,100	$117.0M	10.11%	–	–
Melqart Asset Management (UK) Ltd	2,914,405	$118.4M	6.24%	–	–
Balyasny Asset Management LLC	2,919,941	$118.6M	0.71%	–	–
Ieq Capital, LLC	2,922,792	$118.8M	4.91%	–	–