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 |
|---|---|---|---|---|---|
| Glazer Capital, LLC | 591,421 | $26.2M | 0.41% | +423,400+252.0% | Added |
| Candriam Luxembourg S.C.A. | 591,282 | $26.2M | 0.18% | +54,819+10.2% | Added |
| Verition Fund Management LLC | 587,890 | $26.0M | 0.38% | +406,061+223.3% | Added |
| New York State Common Retirement Fund | 572,378 | $25.4M | 0.03% | −322−0.1% | Reduced |
| State Board of Administration of Florida Retirement System | 565,239 | $25.0M | 0.05% | +6,231+1.1% | Added |
| Weiss Asset Management LP | 545,621 | $24.2M | 0.67% | +545,621 | New |
| Public Sector Pension Investment Board | 542,908 | $24.1M | 0.15% | −457,092−45.7% | Reduced |
| Neuberger Berman Group LLC | 523,226 | $23.2M | 0.02% | −168,486−24.4% | Reduced |
| SG Americas Securities, LLC | 520,445 | $23.1M | 0.12% | +439,725+544.8% | Added |
| Alberta Investment Management Corp | 489,883 | $21.7M | 0.18% | 00.0% | Unchanged |
| Qube Research & Technologies Ltd | 480,203 | $21.3M | 0.27% | +324,378+208.2% | Added |
| Kellner Capital, LLC | 479,090 | $21.2M | 6.51% | +115,790+31.9% | Added |
| Royal Bank of Canada | 474,834 | $21.0M | 0.01% | −72,144−13.2% | Reduced |
| Hunting Hill Global Capital, LLC | 468,959 | $20.8M | 6.48% | +105,000+28.8% | Added |
| Western Standard LLC | 467,184 | $20.7M | 12.35% | +154,104+49.2% | Added |
| Rhumbline Advisers | 466,945 | $20.7M | 0.03% | −65,943−12.4% | Reduced |
| Seven Post Investment Office LP | 446,261 | $19.8M | 5.97% | +446,261 | New |
| Moore Capital Management, LP | 434,742 | $19.3M | 0.35% | −65,258−13.1% | Reduced |
| Parametric Portfolio Associates LLC | 431,514 | $19.1M | 0.01% | +78,676+22.3% | Added |
| CNH Partners LLC | 428,656 | $19.0M | 0.53% | −31,385−6.8% | Reduced |
| MUFG Securities EMEA plc | 415,712 | $18.4M | 0.20% | +415,712 | New |
| Silphium Asset Management Ltd | 405,000 | $17.9M | 7.08% | +45,000+12.5% | Added |
| Yakira Capital Management, Inc. | 395,929 | $17.5M | 2.87% | +61,690+18.5% | Added |
| Athos Capital Ltd | 382,200 | $16.9M | 3.69% | −46,600−10.9% | Reduced |
| Driehaus Capital Management LLC | 365,010 | $16.2M | 0.21% | +21,989+6.4% | Added |
| First Trust Advisors LP | 364,371 | $16.1M | 0.02% | −367,858−50.2% | Reduced |
| Angelo Gordon & Co., L.P. | 364,000 | $16.1M | 1.89% | +119,000+48.6% | Added |
| Chicago Capital Management, LLC | 350,000 | $15.5M | 8.69% | 00.0% | Unchanged |
| Prelude Capital Management, LLC | 341,199 | $15.1M | 0.84% | +96,064+39.2% | Added |
| BCK Capital Management LP | 338,677 | $15.0M | 7.51% | +17,820+5.6% | Added |
| Maso Capital Partners Ltd | 334,917 | $14.8M | 4.87% | +89,600+36.5% | Added |
| Greenlea Lane Capital Management, LLC | 329,002 | $14.6M | 4.38% | −42,180−11.4% | Reduced |
| Harvest Management LLC | 317,900 | $14.1M | 10.82% | +92,500+41.0% | Added |
| Blair William & Co | 312,072 | $13.8M | 0.05% | −274,707−46.8% | Reduced |
| Gardner Lewis Asset Management L P | 300,000 | $13.3M | 2.19% | 00.0% | Unchanged |
| HRT Financial LP | 299,780 | $13.3M | 0.12% | +299,780 | New |
| Public Employees Retirement System of Ohio | 288,100 | $12.8M | 0.05% | +20,033+7.5% | Added |
| Ramius Advisors LLC | 279,882 | $12.4M | 4.74% | +53,127+23.4% | Added |
| State of New Jersey Common Pension Fund D | 271,768 | $12.0M | 0.04% | 00.0% | Unchanged |
| Invesco Ltd. | 262,062 | $11.6M | 0.00% | +49,585+23.3% | Added |
| Alpine Global Management, LLC | 260,449 | $11.5M | 1.57% | −3,551−1.3% | Reduced |
| Ergoteles LLC | 255,879 | $11.3M | 0.26% | +255,879 | New |
| Calamos Advisors LLC | 253,600 | $11.2M | 0.06% | 00.0% | Unchanged |
| Dimensional Fund Advisors LP | 253,009 | $11.2M | 0.00% | +3,041+1.2% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 249,090 | $11.0M | 0.02% | −17,300−6.5% | Reduced |
| Schonfeld Strategic Advisors LLC | 241,178 | $10.7M | 0.12% | +101,178+72.3% | Added |
| Amundi | 231,771 | $10.3M | 0.01% | +231,771 | New |
| Nomura Asset Management Co Ltd | 217,106 | $9.62M | 0.06% | +7,720+3.7% | Added |
| Great West Life Assurance Co | 214,304 | $9.49M | 0.02% | +47,396+28.4% | Added |
| Asset Management One Co.,Ltd. | 202,128 | $8.95M | 0.03% | −7,406−3.5% | Reduced |
| Walleye Trading LLC | 186,923 | $8.28M | 0.22% | −284−0.2% | Reduced |
| Skandinaviska Enskilda Banken AB (publ) | 186,468 | $8.26M | 0.05% | +38,295+25.8% | Added |
| Dynamic Technology Lab Private Ltd | 185,222 | $8.21M | 0.83% | −184,922−50.0% | Reduced |
| Havens Advisors LLC | 183,790 | $8.14M | 6.46% | −46,789−20.3% | Reduced |
| Ameriprise Financial Inc | 180,632 | $8.00M | 0.00% | −6,413−3.4% | Reduced |
| Jane Street Group, LLC | 180,227 | $7.98M | 0.02% | +90,362+100.6% | Added |
| Janus Henderson Group PLC | 179,786 | $7.97M | 0.00% | +68,637+61.8% | Added |
| PEAK6 Investments LLC | 178,888 | $7.92M | 0.21% | +107,590+150.9% | Added |
| Global Endowment Management, LP | 176,878 | $7.83M | 0.44% | −1,474−0.8% | Reduced |
| Treasurer of the State of North Carolina | 172,540 | $7.64M | 0.04% | −9,220−5.1% | Reduced |
| Aviva PLC | 172,480 | $7.64M | 0.03% | +7,867+4.8% | Added |
| Royal London Asset Management Ltd | 171,900 | $7.62M | 0.03% | +12,221+7.7% | Added |
| Crabel Capital Management, LLC | 169,262 | $7.50M | 1.54% | +91,975+119.0% | Added |
| Andra AP-fonden | 168,800 | $7.48M | 0.15% | +168,800 | New |
| Pictet Asset Management Ltd | 166,565 | $7.38M | 0.01% | +7,789+4.9% | Added |
| Maven Securities LTD | 165,215 | $7.37M | 0.78% | −37,410−18.5% | Reduced |
| Walleye Capital LLC | 165,609 | $7.34M | 0.27% | +34,094+25.9% | Added |
| BTG Pactual Global Asset Management Ltd | 162,500 | $7.20M | 3.21% | +45,000+38.3% | Added |
| Voya Investment Management LLC | 159,880 | $7.08M | 0.01% | −4,221−2.6% | Reduced |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 159,400 | $7.06M | 0.06% | +2,700+1.7% | Added |
| Storebrand Asset Management AS | 156,664 | $6.94M | 0.03% | +610+0.4% | Added |
| Rafferty Asset Management, LLC | 153,523 | $6.80M | 0.04% | −28,361−15.6% | Reduced |
| Centiva Capital, LP | 151,352 | $6.70M | 0.52% | −6,805−4.3% | Reduced |
| Jefferies Group LLC | 151,025 | $6.69M | 0.12% | +139,656+1,228.4% | Added |
| Rockefeller Capital Management L.P. | 147,761 | $6.54M | 0.04% | +121,329+459.0% | Added |
| Swedbank AB | 146,606 | $6.49M | 0.01% | 00.0% | Unchanged |
| Boothbay Fund Management, LLC | 145,053 | $6.43M | 0.26% | +145,053 | New |
| Bank Julius Baer & Co. Ltd, Zurich | 142,212 | $6.30M | 0.04% | +121,496+586.5% | Added |
| Summit Trail Advisors, LLC | 139,159 | $6.17M | 0.54% | +139,159 | New |
| Eaton Vance Management | 135,964 | $6.02M | 0.01% | −2,282,503−94.4% | Reduced |
| Arizona State Retirement System | 134,658 | $5.96M | 0.05% | +2,326+1.8% | Added |
| HAP Trading, LLC | 130,060 | $5.76M | 0.36% | +130,060 | New |
| Allianz Asset Management GmbH | 124,966 | $5.54M | 0.00% | −138,564−52.6% | Reduced |
| Polar Asset Management Partners Inc. | 124,000 | $5.49M | 0.07% | −120,000−49.2% | Reduced |
| Victory Capital Management Inc | 122,620 | $5.43M | 0.01% | −2,198−1.8% | Reduced |
| K2 Principal Fund, L.P. | 120,183 | $5.32M | 0.59% | +1,496+1.3% | Added |
| Marshall Wace North America L.P. | 117,638 | $5.21M | 0.02% | −116,794−49.8% | Reduced |
| Raymond James & Associates | 117,324 | $5.20M | 0.00% | −14,686−11.1% | Reduced |
| Simplex Trading, LLC | 116,357 | $5.15M | 0.19% | −51,602−30.7% | Reduced |
| FNY Investment Advisers, LLC | 114,384 | $5.07M | 2.04% | +74,384+186.0% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 114,291 | $5.06M | 0.03% | +33,906+42.2% | Added |
| Quantbot Technologies LP | 110,609 | $4.90M | 0.39% | −4,964−4.3% | Reduced |
| Cinctive Capital Management LP | 110,121 | $4.88M | 0.27% | +110,121 | New |
| LPL Financial LLC | 109,536 | $4.85M | 0.00% | −10,296−8.6% | Reduced |
| S. Muoio & Co. LLC | 106,000 | $4.70M | 3.98% | +30,000+39.5% | Added |
| Forsta Ap-Fonden | 103,700 | $4.59M | 0.05% | +16,100+18.4% | Added |
| Bluefin Capital Management, LLC | 101,842 | $4.51M | 0.31% | +9,605+10.4% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 101,507 | $4.50M | 0.02% | +6,175+6.5% | Added |
| Shay Capital LLC | 100,659 | $4.46M | 1.06% | −22,732−18.4% | Reduced |
| Susquehanna International Group, LLP | 98,816 | $4.38M | 0.00% | −21,600−17.9% | Reduced |