The Slack Fund was the corporate venture capital arm of Slack, founded in 2015 to invest in early-stage companies driving the future of work across collaboration, developer tools, people operations, and wellness. In 2021, Slack was acquired by Salesforce, and the Slack Fund brand was sunsetted; its operations now fall fully under Salesforce Ventures.
Average disclosed round size is $39.6M (across 91 rounds with reported amounts).
Portfolio
76
Fund Size
$100M
Top Stage
Series A
Last 12 Mo
0
Team
DF
Dillon Ferdinandi
Managing Director
JS
Jason Spinell
Head of Slack Fund
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
99 investments
| Company | Round | Amount | Date |
|---|---|---|---|
 Viktor | Series A | $75M | Jan 2026 |
 Swarmia | Series A | — | Jun 2025 |
 Henry AI | Seed | $4M | Feb 2025 |
 Hightouch | Series C | $80M | Feb 2025 |
 Opal | Series A | $17M | Oct 2023 |
| OOpal Camera | Series A | $17M | Oct 2023 |
 Super | Growth | $60M | Apr 2023 |
 Videowise | Seed | $3M | Mar 2023 |
 Riot | Series A | $12M | Feb 2023 |
 Humaans | Series A | $15M | Oct 2022 |
 Courier | Series B | $35M | Jun 2022 |
 tango | Series A | $14M | Jun 2022 |
 Five To Nine | Seed | $4.3M | Jun 2022 |
 Glean | Series C | $100M | May 2022 |
 Oyster | Series C | $150M | Apr 2022 |
 Grain (video conference company) | Series A | $16M | Apr 2022 |
 Standard Metrics | Series A | $23.7M | Feb 2022 |
 1Password | Series C | $620M | Jan 2022 |
 Commsor | Series B | $50M | Jan 2022 |
 LottieLab | Seed | $4M | Jan 2022 |
| Standard Metrics | Series A | $23.7M | Jan 2022 |
 Superside | Series A | $30M | Dec 2021 |
 Privacy Dynamics | Unknown | $4M | Dec 2021 |
 Electric AI | Series D | $90M | Oct 2021 |
 Mindlabs | Seed | $3.5M | Oct 2021 |
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Top Co-Investors
Y Combinator18 shared
Salesforce Ventures9 shared
Accel8 shared
Tiger Global Management, LLC8 shared
Founder Collective8 shared
Salesforce7 shared
First Round Capital6 shared
Gradient Ventures6 shared
General Catalyst5 shared
Sequoia Capital5 shared
Bessemer Venture Partners5 shared
8VC5 shared
Okta Ventures5 shared
FirstMark Capital5 shared
SV Angel4 shared
Founders Fund4 shared
Greenspring Associates4 shared
Moment Ventures4 shared
Susa Ventures4 shared
Felicis4 shared
Last updated: 7 October 2026