Slack Technologies, Inc.
WORKDelisted- Industry
- Services-Prepackaged Software
- SEC CIK
- 0001764925
Slack Technologies, Inc. was delisted in 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, Q2 2021
Institutional positions in Slack Technologies, Inc. as of Jun 30, 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
WORK is no longer listed, so this page shows Q2 2021. 13F filings for later quarters list far fewer holders.
- Institutional holders
- 529
- −4 vs. Q1 2021
- Shares held
- 433.5M
- +1.69M (+0.4%) vs. Q1 2021
- Total value
- $19.2B
- −$421.7B (−95.6%) vs. Q1 2021
- New holders
- 61
- 196 more added
- Sold out
- 65
- 160 more reduced
2 institutions that held it in Q1 2021 haven't filed for Q2 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2021: new holders, sold out and not filed yet
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.
| 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 | $441.0B |
Institutions, Q2 2021
Shares, value and share of portfolio for each institution holding Slack Technologies, Inc.; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 43,897,659 | $1.94B | 0.05% | +87,091+0.2% | Added |
| BlackRock Inc. | 26,049,546 | $1.15B | 0.03% | −1,891,092−6.8% | Reduced |
| Pentwater Capital Management LP | 19,442,500 | $861.3M | 8.84% | +3,9000.0% | Added |
| HBK Investments L P | 16,579,543 | $734.5M | 7.05% | +53,510+0.3% | Added |
| Davidson Kempner Capital Management LP | 13,160,709 | $583.0M | 4.55% | +1,225,394+10.3% | Added |
| State Street Corp | 11,907,486 | $527.5M | 0.03% | +879,970+8.0% | Added |
| UBS Oconnor LLC | 11,073,242 | $490.5M | 0.05% | +642,990+6.2% | Added |
| Farallon Capital Management, L.L.C. | 10,437,300 | $462.4M | 2.23% | +3,210,000+44.4% | Added |
| Franklin Resources Inc | 8,231,350 | $364.6M | 0.14% | +680,364+9.0% | Added |
| Bank of Nova Scotia | 8,062,384 | $357.2M | 0.67% | +3,529,200+77.9% | Added |
| FMR LLC | 7,753,426 | $343.5M | 0.03% | −338,519−4.2% | Reduced |
| Millennium Management LLC | 7,576,012 | $335.6M | 0.43% | +1,134,132+17.6% | Added |
| Bank of America Corp | 7,350,772 | $325.6M | 0.04% | +974,777+15.3% | Added |
| Citadel Advisors LLC | 6,907,385 | $306.0M | 0.32% | −1,486,853−17.7% | Reduced |
| Norges Bank | 6,733,099 | $298.3M | 0.06% | +355,843+5.6% | Added |
| Morgan Stanley | 6,609,174 | $292.8M | 0.04% | +474,773+7.7% | Added |
| UBS Group AG | 6,359,045 | $281.7M | 0.12% | −384,477−5.7% | Reduced |
| PSquared Asset Management AG | 6,102,362 | $270.3M | 19.39% | +3,222,262+111.9% | Added |
| Renaissance Technologies LLC | 5,942,800 | $263.3M | 0.33% | +922,400+18.4% | Added |
| Geode Capital Management, LLC | 5,832,143 | $258.0M | 0.04% | +291,732+5.3% | Added |
| Canada Pension Plan Investment Board | 5,301,200 | $234.8M | 0.28% | +77,200+1.5% | Added |
| Nuveen Asset Management, LLC | 4,938,295 | $218.8M | 0.07% | −76,144−1.5% | Reduced |
| Sculptor Capital LP | 4,896,249 | $216.9M | 1.88% | −5,068,868−50.9% | Reduced |
| Westchester Capital Management, LLC | 4,689,496 | $207.7M | 5.28% | +488,541+11.6% | Added |
| TIG Advisors, LLC | 4,645,891 | $205.8M | 7.12% | +1,333,218+40.2% | Added |
| Adage Capital Partners GP, L.L.C. | 4,600,000 | $203.8M | 0.40% | +200,000+4.5% | Added |
| Alpine Associates Management Inc. | 4,535,041 | $200.9M | 5.51% | −604,700−11.8% | Reduced |
| Bank of Montreal | 4,458,701 | $199.5M | 0.10% | +3,459,481+346.2% | Added |
| Bank of New York Mellon Corp | 4,457,684 | $197.5M | 0.04% | −1,013,048−18.5% | Reduced |
| Capstone Investment Advisors, LLC | 4,421,777 | $195.9M | 4.65% | −1,399,429−24.0% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 4,200,032 | $186.1M | 0.41% | +2,305,532+121.7% | Added |
| Melqart Asset Management (UK) Ltd | 3,851,461 | $170.6M | 7.66% | +937,056+32.2% | Added |
| Balyasny Asset Management LLC | 3,810,807 | $168.8M | 0.93% | +890,866+30.5% | Added |
| Hudson Bay Capital Management LP | 3,350,308 | $148.4M | 1.86% | +995,223+42.3% | Added |
| Northern Trust Corp | 3,349,309 | $148.4M | 0.03% | +296,375+9.7% | Added |
| Taconic Capital Advisors LP | 3,328,500 | $147.5M | 4.87% | +343,500+11.5% | Added |
| Ieq Capital, LLC | 3,324,053 | $147.3M | 4.33% | +401,261+13.7% | Added |
| Arrowstreet Capital, Limited Partnership | 3,254,368 | $144.2M | 0.18% | +1,137,175+53.7% | Added |
| D. E. Shaw & Co., Inc. | 2,967,628 | $131.5M | 0.15% | −1,766,317−37.3% | Reduced |
| Grantham, Mayo, Van Otterloo & Co. LLC | 2,752,009 | $121.9M | 0.61% | +526,022+23.6% | Added |
| Legal & General Group Plc | 2,733,015 | $121.1M | 0.04% | +271,781+11.0% | Added |
| Charles Schwab Investment Management Inc | 2,596,948 | $115.0M | 0.04% | +103,925+4.2% | Added |
| Omni Partners US LLC | 2,514,346 | $111.4M | 4.91% | +2,514,346 | New |
| FIL Ltd | 2,472,777 | $109.5M | 0.12% | −1,049,147−29.8% | Reduced |
| Carlson Capital L P | 2,435,000 | $107.9M | 5.21% | −9,647−0.4% | Reduced |
| Water Island Capital LLC | 2,258,495 | $100.1M | 5.29% | +536,957+31.2% | Added |
| Magnetar Financial LLC | 2,194,228 | $97.2M | 0.92% | −302,618−12.1% | Reduced |
| Weiss Multi-Strategy Advisers LLC | 2,171,400 | $96.2M | 2.20% | +79,957+3.8% | Added |
| Segantii Capital Management Ltd | 2,167,647 | $96.0M | 2.99% | +861,897+66.0% | Added |
| Goldman Sachs Group Inc | 2,150,344 | $95.3M | 0.03% | −13,006,315−85.8% | Reduced |
| Toronto Dominion Bank | 2,148,153 | $95.2M | 0.15% | +1,586,129+282.2% | Added |
| Athanor Capital, LP | 2,103,492 | $93.2M | 5.14% | +103,669+5.2% | Added |
| Sand Grove Capital Management LLP | 2,095,000 | $92.8M | 8.79% | +309,000+17.3% | Added |
| American Century Companies Inc | 2,017,025 | $89.4M | 0.06% | −25,390−1.2% | Reduced |
| Twin Securities, Inc. | 1,963,061 | $87.0M | 32.86% | +587,193+42.7% | Added |
| Boussard & Gavaudan Investment Management LLP | 1,945,702 | $86.8M | 8.24% | +212,369+12.3% | Added |
| Swiss National Bank | 1,942,631 | $86.1M | 0.05% | +177,531+10.1% | Added |
| Citigroup Inc | 1,932,572 | $85.6M | 0.08% | +780,614+67.8% | Added |
| UBS Asset Management Americas Inc | 1,903,777 | $84.3M | 0.04% | +281,815+17.4% | Added |
| LMR Partners LLP | 1,806,000 | $80.0M | 1.21% | +65,000+3.7% | Added |
| Barclays PLC | 1,669,424 | $74.0M | 0.06% | +487,677+41.3% | Added |
| Versor Investments LP | 1,646,162 | $72.9M | 2.57% | +270,371+19.7% | Added |
| Price T Rowe Associates Inc | 1,633,036 | $72.3M | 0.01% | +8,802+0.5% | Added |
| Samson Rock Capital LLP | 1,618,315 | $71.7M | 14.12% | +440,985+37.5% | Added |
| Credit Suisse AG | 1,484,073 | $66.4M | 0.05% | −141,944−8.7% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 1,435,531 | $63.6M | 0.04% | −12,297−0.8% | Reduced |
| Man Group plc | 1,430,993 | $63.4M | 0.22% | −133,787−8.5% | Reduced |
| BNP Paribas Arbitrage, SA | 1,340,373 | $59.4M | 0.11% | −2,252,476−62.7% | Reduced |
| Alphabet Inc. | 1,299,771 | $57.6M | 1.17% | 00.0% | Unchanged |
| Berry Street Capital Management LLP | 1,250,000 | $55.4M | 6.66% | +575,000+85.2% | Added |
| State of Wisconsin Investment Board | 1,230,738 | $54.5M | 0.11% | +168,840+15.9% | Added |
| Alyeska Investment Group, L.P. | 1,221,498 | $54.1M | 0.63% | +100,000+8.9% | Added |
| Bardin Hill Management Partners LP | 1,210,703 | $53.6M | 9.44% | +325,471+36.8% | Added |
| Two Sigma Advisers, LP | 1,120,500 | $49.6M | 0.13% | +41,000+3.8% | Added |
| California Public Employees Retirement System | 1,105,670 | $49.0M | 0.04% | +64,071+6.2% | Added |
| RV Capital GmbH | 1,088,058 | $48.2M | 12.89% | +37,500+3.6% | Added |
| IndexIQ Advisors LLC | 1,069,179 | $47.4M | 1.60% | −42,345−3.8% | Reduced |
| Quinn Opportunity Partners LLC | 1,060,424 | $47.0M | 2.93% | −81,676−7.2% | Reduced |
| Tudor Investment Corp Et Al | 973,696 | $43.1M | 0.88% | +63,465+7.0% | Added |
| Voloridge Investment Management, LLC | 973,096 | $43.1M | 0.30% | +973,096 | New |
| California State Teachers Retirement System | 929,623 | $41.2M | 0.05% | −32,348−3.4% | Reduced |
| Alliancebernstein L.P. | 855,801 | $37.9M | 0.02% | +67,273+8.5% | Added |
| Gabelli Funds LLC | 815,860 | $36.1M | 0.23% | +58,043+7.7% | Added |
| Picton Mahoney Asset Management | 810,000 | $35.9M | 1.30% | +20,000+2.5% | Added |
| CQS (US), LLC | 795,150 | $35.2M | 2.15% | +217,863+37.7% | Added |
| Gabelli & Co Investment Advisers, Inc. | 791,212 | $35.1M | 4.05% | +103,900+15.1% | Added |
| Deutsche Bank AG | 781,067 | $34.6M | 0.02% | −54,575−6.5% | Reduced |
| Investmentaktiengesellschaft Fuer Langfristige Investoren TGV | 780,000 | $34.6M | 2.64% | −150,000−16.1% | Reduced |
| Korea Investment CORP | 770,100 | $34.1M | 0.10% | +106,900+16.1% | Added |
| JPMorgan Chase & Co | 747,116 | $33.1M | 0.00% | −307,246−29.1% | Reduced |
| ING Groep NV | 730,000 | $32.3M | 0.52% | +2,500+0.3% | Added |
| Wells Fargo & Company | 724,208 | $32.1M | 0.01% | +353,278+95.2% | Added |
| National Pension Service | 719,100 | $31.9M | 0.06% | 00.0% | Unchanged |
| HSBC Holdings PLC | 687,455 | $30.6M | 0.04% | −373,630−35.2% | Reduced |
| Marshall Wace, LLP | 653,036 | $28.9M | 0.15% | −329,323−33.5% | Reduced |
| Vivaldi Asset Management, LLC | 632,413 | $28.0M | 4.18% | +152,213+31.7% | Added |
| GWM Asset Management Ltd | 624,845 | $27.7M | 11.37% | +164,345+35.7% | Added |
| Spring Creek Capital LLC | 620,000 | $27.5M | 1.36% | −435,000−41.2% | Reduced |
| Two Sigma Investments, LP | 619,983 | $27.5M | 0.07% | +133,008+27.3% | Added |
| Vestcor Inc | 619,733 | $27.5M | 0.93% | +12,993+2.1% | Added |