Slack Technologies, Inc.
WORKDelisted Jul 21, 2021- Industry
- Services-Prepackaged Software
- SEC CIK
- 0001764925
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, 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
- +$1.66B (+9.5%) 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 | $17.7B |
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 |
|---|---|---|---|---|---|
| Prelude Capital Management, LLC | 341,199 | $15.1M | 0.84% | +96,064+39.2% | Added |
| Chicago Capital Management, LLC | 350,000 | $15.5M | 8.69% | 00.0% | Unchanged |
| Angelo Gordon & Co., L.P. | 364,000 | $16.1M | 1.89% | +119,000+48.6% | Added |
| First Trust Advisors LP | 364,371 | $16.1M | 0.02% | −367,858−50.2% | Reduced |
| Driehaus Capital Management LLC | 365,010 | $16.2M | 0.21% | +21,989+6.4% | Added |
| Athos Capital Ltd | 382,200 | $16.9M | 3.69% | −46,600−10.9% | Reduced |
| Yakira Capital Management, Inc. | 395,929 | $17.5M | 2.87% | +61,690+18.5% | Added |
| Silphium Asset Management Ltd | 405,000 | $17.9M | 7.08% | +45,000+12.5% | Added |
| MUFG Securities EMEA plc | 415,712 | $18.4M | 0.20% | +415,712 | New |
| CNH Partners LLC | 428,656 | $19.0M | 0.53% | −31,385−6.8% | Reduced |
| Parametric Portfolio Associates LLC | 431,514 | $19.1M | 0.01% | +78,676+22.3% | Added |
| Moore Capital Management, LP | 434,742 | $19.3M | 0.35% | −65,258−13.1% | Reduced |
| Seven Post Investment Office LP | 446,261 | $19.8M | 5.97% | +446,261 | New |
| Rhumbline Advisers | 466,945 | $20.7M | 0.03% | −65,943−12.4% | Reduced |
| Western Standard LLC | 467,184 | $20.7M | 12.35% | +154,104+49.2% | Added |
| Hunting Hill Global Capital, LLC | 468,959 | $20.8M | 6.48% | +105,000+28.8% | Added |
| Royal Bank of Canada | 474,834 | $21.0M | 0.01% | −72,144−13.2% | Reduced |
| Kellner Capital, LLC | 479,090 | $21.2M | 6.51% | +115,790+31.9% | Added |
| Qube Research & Technologies Ltd | 480,203 | $21.3M | 0.27% | +324,378+208.2% | Added |
| Alberta Investment Management Corp | 489,883 | $21.7M | 0.18% | 00.0% | Unchanged |
| SG Americas Securities, LLC | 520,445 | $23.1M | 0.12% | +439,725+544.8% | Added |
| Neuberger Berman Group LLC | 523,226 | $23.2M | 0.02% | −168,486−24.4% | Reduced |
| Public Sector Pension Investment Board | 542,908 | $24.1M | 0.15% | −457,092−45.7% | Reduced |
| Weiss Asset Management LP | 545,621 | $24.2M | 0.67% | +545,621 | New |
| State Board of Administration of Florida Retirement System | 565,239 | $25.0M | 0.05% | +6,231+1.1% | Added |
| New York State Common Retirement Fund | 572,378 | $25.4M | 0.03% | −322−0.1% | Reduced |
| Verition Fund Management LLC | 587,890 | $26.0M | 0.38% | +406,061+223.3% | Added |
| Candriam Luxembourg S.C.A. | 591,282 | $26.2M | 0.18% | +54,819+10.2% | Added |
| Glazer Capital, LLC | 591,421 | $26.2M | 0.41% | +423,400+252.0% | Added |
| Vestcor Inc | 619,733 | $27.5M | 0.93% | +12,993+2.1% | Added |
| Two Sigma Investments, LP | 619,983 | $27.5M | 0.07% | +133,008+27.3% | Added |
| Spring Creek Capital LLC | 620,000 | $27.5M | 1.36% | −435,000−41.2% | Reduced |
| GWM Asset Management Ltd | 624,845 | $27.7M | 11.37% | +164,345+35.7% | Added |
| Vivaldi Asset Management, LLC | 632,413 | $28.0M | 4.18% | +152,213+31.7% | Added |
| Marshall Wace, LLP | 653,036 | $28.9M | 0.15% | −329,323−33.5% | Reduced |
| HSBC Holdings PLC | 687,455 | $30.6M | 0.04% | −373,630−35.2% | Reduced |
| National Pension Service | 719,100 | $31.9M | 0.06% | 00.0% | Unchanged |
| Wells Fargo & Company | 724,208 | $32.1M | 0.01% | +353,278+95.2% | Added |
| ING Groep NV | 730,000 | $32.3M | 0.52% | +2,500+0.3% | Added |
| JPMorgan Chase & Co | 747,116 | $33.1M | 0.00% | −307,246−29.1% | Reduced |
| Korea Investment CORP | 770,100 | $34.1M | 0.10% | +106,900+16.1% | Added |
| Investmentaktiengesellschaft Fuer Langfristige Investoren TGV | 780,000 | $34.6M | 2.64% | −150,000−16.1% | Reduced |
| Deutsche Bank AG | 781,067 | $34.6M | 0.02% | −54,575−6.5% | Reduced |
| Gabelli & Co Investment Advisers, Inc. | 791,212 | $35.1M | 4.05% | +103,900+15.1% | Added |
| CQS (US), LLC | 795,150 | $35.2M | 2.15% | +217,863+37.7% | Added |
| Picton Mahoney Asset Management | 810,000 | $35.9M | 1.30% | +20,000+2.5% | Added |
| Gabelli Funds LLC | 815,860 | $36.1M | 0.23% | +58,043+7.7% | Added |
| Alliancebernstein L.P. | 855,801 | $37.9M | 0.02% | +67,273+8.5% | Added |
| California State Teachers Retirement System | 929,623 | $41.2M | 0.05% | −32,348−3.4% | Reduced |
| Voloridge Investment Management, LLC | 973,096 | $43.1M | 0.30% | +973,096 | New |
| Tudor Investment Corp Et Al | 973,696 | $43.1M | 0.88% | +63,465+7.0% | Added |
| Quinn Opportunity Partners LLC | 1,060,424 | $47.0M | 2.93% | −81,676−7.2% | Reduced |
| IndexIQ Advisors LLC | 1,069,179 | $47.4M | 1.60% | −42,345−3.8% | Reduced |
| RV Capital GmbH | 1,088,058 | $48.2M | 12.89% | +37,500+3.6% | Added |
| California Public Employees Retirement System | 1,105,670 | $49.0M | 0.04% | +64,071+6.2% | Added |
| Two Sigma Advisers, LP | 1,120,500 | $49.6M | 0.13% | +41,000+3.8% | Added |
| Bardin Hill Management Partners LP | 1,210,703 | $53.6M | 9.44% | +325,471+36.8% | Added |
| Alyeska Investment Group, L.P. | 1,221,498 | $54.1M | 0.63% | +100,000+8.9% | Added |
| State of Wisconsin Investment Board | 1,230,738 | $54.5M | 0.11% | +168,840+15.9% | Added |
| Berry Street Capital Management LLP | 1,250,000 | $55.4M | 6.66% | +575,000+85.2% | Added |
| Alphabet Inc. | 1,299,771 | $57.6M | 1.17% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 1,340,373 | $59.4M | 0.11% | −2,252,476−62.7% | Reduced |
| Man Group plc | 1,430,993 | $63.4M | 0.22% | −133,787−8.5% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 1,435,531 | $63.6M | 0.04% | −12,297−0.8% | Reduced |
| Credit Suisse AG | 1,484,073 | $66.4M | 0.05% | −141,944−8.7% | Reduced |
| Samson Rock Capital LLP | 1,618,315 | $71.7M | 14.12% | +440,985+37.5% | Added |
| Price T Rowe Associates Inc | 1,633,036 | $72.3M | 0.01% | +8,802+0.5% | Added |
| Versor Investments LP | 1,646,162 | $72.9M | 2.57% | +270,371+19.7% | Added |
| Barclays PLC | 1,669,424 | $74.0M | 0.06% | +487,677+41.3% | Added |
| LMR Partners LLP | 1,806,000 | $80.0M | 1.21% | +65,000+3.7% | Added |
| UBS Asset Management Americas Inc | 1,903,777 | $84.3M | 0.04% | +281,815+17.4% | Added |
| Citigroup Inc | 1,932,572 | $85.6M | 0.08% | +780,614+67.8% | Added |
| Swiss National Bank | 1,942,631 | $86.1M | 0.05% | +177,531+10.1% | Added |
| Boussard & Gavaudan Investment Management LLP | 1,945,702 | $86.8M | 9.25% | +212,369+12.3% | Added |
| Twin Securities, Inc. | 1,963,061 | $87.0M | 32.86% | +587,193+42.7% | Added |
| American Century Companies Inc | 2,017,025 | $89.4M | 0.06% | −25,390−1.2% | Reduced |
| Sand Grove Capital Management LLP | 2,095,000 | $92.8M | 8.79% | +309,000+17.3% | Added |
| Athanor Capital, LP | 2,103,492 | $93.2M | 5.42% | +103,669+5.2% | Added |
| Toronto Dominion Bank | 2,148,153 | $95.2M | 0.15% | +1,586,129+282.2% | Added |
| Goldman Sachs Group Inc | 2,150,344 | $95.3M | 0.03% | −13,006,315−85.8% | Reduced |
| Segantii Capital Management Ltd | 2,167,647 | $96.0M | 3.04% | +861,897+66.0% | Added |
| Weiss Multi-Strategy Advisers LLC | 2,171,400 | $96.2M | 2.20% | +79,957+3.8% | Added |
| Magnetar Financial LLC | 2,194,228 | $97.2M | 0.99% | −302,618−12.1% | Reduced |
| Water Island Capital LLC | 2,258,495 | $100.1M | 5.29% | +536,957+31.2% | Added |
| Carlson Capital L P | 2,435,000 | $107.9M | 5.21% | −9,647−0.4% | Reduced |
| FIL Ltd | 2,472,777 | $109.5M | 0.12% | −1,049,147−29.8% | Reduced |
| Omni Partners US LLC | 2,514,346 | $111.4M | 4.91% | +2,514,346 | New |
| Charles Schwab Investment Management Inc | 2,596,948 | $115.0M | 0.04% | +103,925+4.2% | Added |
| Legal & General Group Plc | 2,733,015 | $121.1M | 0.04% | +271,781+11.0% | Added |
| Grantham, Mayo, Van Otterloo & Co. LLC | 2,752,009 | $121.9M | 0.61% | +526,022+23.6% | Added |
| D. E. Shaw & Co., Inc. | 2,967,628 | $131.5M | 0.15% | −1,766,317−37.3% | Reduced |
| Arrowstreet Capital, Limited Partnership | 3,254,368 | $144.2M | 0.18% | +1,137,175+53.7% | Added |
| Ieq Capital, LLC | 3,324,053 | $147.3M | 4.33% | +401,261+13.7% | Added |
| Taconic Capital Advisors LP | 3,328,500 | $147.5M | 4.76% | +343,500+11.5% | Added |
| Northern Trust Corp | 3,349,309 | $148.4M | 0.03% | +296,375+9.7% | Added |
| Hudson Bay Capital Management LP | 3,350,308 | $148.4M | 1.86% | +995,223+42.3% | Added |
| Balyasny Asset Management LLC | 3,810,807 | $168.8M | 0.93% | +890,866+30.5% | Added |
| Melqart Asset Management (UK) Ltd | 3,851,461 | $170.6M | 7.66% | +937,056+32.2% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 4,200,032 | $186.1M | 0.41% | +2,305,532+121.7% | Added |
| Capstone Investment Advisors, LLC | 4,421,777 | $195.9M | 4.65% | −1,399,429−24.0% | Reduced |