Warner Bros. Discovery
Announced 17 May 2021$43.0B · merger · Entertainment Providers · United States
Warner Bros.
Investors: AT&T, Discovery Inc..
SignalbaseUpdated 06 Aug 2026
Top recently funded startups in United States, week of 2021-05-24
United States logged 17 verified funding rounds in the week ending 23 May 2021, totalling ≈$44.2B. Warner Bros. Discovery anchors the week with a ≈$43.0B merger in Entertainment Providers. Software Development was the busiest sector with 6 deals.
| Country | United States |
| Deals this week | 17 |
| Total raised | ≈$44.2B |
| Top sector | Software Development (6) |
| Most common round | Series B (7) |
| Most active investor | Andreessen Horowitz (2 deals) |
| Sources tracked | 30 |
The biggest 5 deals this week
| # | Company | Amount | Round | Sector | Announced |
|---|---|---|---|---|---|
| 1 | Warner Bros. Discovery | $43.0B | merger | Entertainment Providers | 17 May 2021 |
| 2 | Workrise | $300.0M | Series E | Software Development | 20 May 2021 |
| 3 | Zeta | $250.0M | Series C | Banking software / fintech infrastructure | 23 May 2021 |
| 4 | Cognite | $150.0M | Series B | Software Development | 19 May 2021 |
| 5 | Pianofever | $88.0M | Series C | analytics, personalization and subscription platform | 18 May 2021 |
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12 more funding rounds this week
PitchMore, Clear Labs, Sparrow Pharmaceuticals, Inc., Hearth, Styra, Sprig, Cynerio, Esper and 4 more closed rounds this week. Sign up to see amounts, round types, sectors and investor lists.
Start 7-day free trial →Closer look at the top 3
Announced 17 May 2021
Workrise
Announced 20 May 2021$300.0M · Series E · Software Development · United States
Workrise is now RigUp. www.linkedin.com/company/rigup RigUp is the source-to-pay solution built for energy.
“Workrise raises $300 million in Series E Funding led by Baillie Gifford Accessibility Statement Skip Navigation Resources Investor Relations Journalists Agencies Client Login Send a Release News Products Contact Search Search When typing in this field, a list of search results will appear and be automatically updated as you type.”
3 more sources tracked. Read the full press release and reporter coverage.
Sign up to read →Investors: Baillie Gifford (lead), Franklin Templeton, Founders Fund, Bedrock Capital, Andreessen Horowitz, Moore Strategic Ventures, 137 Ventures, Brookfield Growth Partners.
Most active investors this week
| # | Investor | Deals |
|---|---|---|
| 1 | Andreessen Horowitz | 2 |
| 2 | 137 Ventures | 1 |
| 3 | Accel | 1 |
| 4 | Accelmed | 1 |
| 5 | ALIVE Israel Healthtech Fund | 1 |
| 6 | AT&T | 1 |
| 7 | Baillie Gifford | 1 |
| 8 | Bedrock Capital | 1 |
| 9 | Bessemer Venture Partners | 1 |
| 10 | Brandon Krieg | 1 |
What this week tells us
Software Development accounted for 6 of 17 verified deals in United States this week. The stage mix was 1 early-stage (pre-seed to seed) against 16 Series A or later. Andreessen Horowitz was the most active investor, backing 2 of the week's rounds.
Built from 17 verified funding signals tracked by Signalbase. Window: 17 May – 23 May 2021. Last refresh: 06 Aug 2026.