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Whistle
ActiveOperating status — whether the company still runs independently. “Closed” usually means it was acquired, merged, or shut down.🔥 LowHeat score — how much recent activity & attention the company has (web traffic, news, hiring).📈 Low growthGrowth score — momentum trend across web traffic, headcount and other growth signals. San Francisco, California, United States Founded 2012 51-100 employees For Profit
Whistle is a device and mobile app system created to monitor a pet's activity and health.
Whistle on Acquirezy — acquisitions, funding rounds, investments, investors, key people & contacts.
Whistle was acquired by Tractive in 2025.
Total Funding
$21M
Funding Rounds
5
Last Funding
Acquisitions
0
Monthly Visits
Contacts
0
Patents
566
4 trademarks
About Whistle
Funding & Financials
- Total funding
- Funding rounds
- Last funding
- Last funding type
- Last funding date
- Funding status
- Total equity funding
- Revenue range
IPO & Stock
- IPO status
- Private
Web Traffic
- Monthly visits
- Global traffic rank
- 6-mo avg visits
- Visit duration (s)
- Pages / visit
- Bounce rate
- Rank change (mo)
Technology & IP
- Active technologies
- 35
- Mobile apps
- 5
- Downloads (30d)
- 12
- Active products
- 82
- Patents granted
- 566
- Trademarks
- 4
- Top patent class
- Basic Electronic Circuitry
- IT spend
- $1.8M
Company Info
- Founded
- 2012
- Employees
- 51-100
- Operating status
- Active
- Company type
- For Profit
- Org types
- company
- Founders
- 4
- News articles
- 81
- Events
- 1
- HQ
- San Francisco, California, United States
- Region
- San Francisco Bay Area, West Coast, Western US
- Exit date
- Jul 28, 2025
Signals & Scores
- Heat score
- Low
- Growth score
- Low
- Trend (7d)
- 0
- Trend (30d)
- -0.4
- Trend (90d)
- -0.6
Whistle Funding Rounds
5 results
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| Organization Name | Funding Type | Lead Investor Names | Org Hq Country | ||
|---|---|---|---|---|---|
1–5 of 5Show
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