Sonim Technologies, Inc. (SONM) Ownership
SONM ownership summary
as of October 18, 2026- Institutions
- 5.9% of shares outstanding
- Insiders
- 34.77% of shares outstanding
- Shares outstanding
- 1.5M
- Float
- 1.0M shares available to trade
- Short interest
- 1.40% 18K shares short
- Days to cover
- 0.86 short interest down 16.4% vs prior month
- Institutions 5.94%
- Insiders 34.77%
- Other investors 59.29%
SONM top institutional holders
14 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | C2C Wealth Management, LLC | 2.39% | 36K | $116,085 | +15,500 (+77.5%) | June 30, 2026 |
| 2 | BlackRock Inc | 0.94% | 14K | $45,800 | — | June 30, 2026 |
| 3 | Citadel Advisors Llc | 0.86% | 13K | $41,660 | +12,740 (0.0%) | June 30, 2026 |
| 4 | Geode Capital Management, LLC | 0.85% | 13K | $41,150 | −2,218 (−15.0%) | June 30, 2026 |
| 5 | Vanguard Capital Management, LLC | 0.40% | 5,901 | $19,296 | +1,009 (+20.6%) | June 30, 2026 |
| 6 | Vanguard Fiduciary Trust Co | 0.30% | 4,496 | $14,702 | — | June 30, 2026 |
| 7 | UBS Group AG | 0.15% | 2,304 | $7,534 | −33,915 (−93.6%) | June 30, 2026 |
| 8 | Tower Research Capital LLC | 0.04% | 642 | $2,099 | −19 (−2.9%) | June 30, 2026 |
| 9 | SBI Securities Co Ltd | 0.01% | 214 | $700 | — | June 30, 2026 |
| 10 | Cannell Capital LLC | 0.00% | — | — | −13,626 (−100.0%) | March 31, 2026 |
| 11 | Danske Bank A/S. | 0.00% | — | — | −4 (−100.0%) | June 30, 2026 |
| 12 | BNP Paribas Arbitrage, SA | 0.00% | — | — | −1 (−100.0%) | March 31, 2026 |
| 13 | Potomac Capital Management, Inc. | 0.00% | — | — | −48,000 (−100.0%) | March 31, 2026 |
| 14 | Bank of America Corp | 0.00% | — | — | −4 (−100.0%) | March 31, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 14, 3 holders added 29K shares and 8 cut 98K.
SONM top mutual fund and ETF holders
4 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Fidelity Extended Market Index | 0.36% | 5,364 | $17,540 | −29 (−0.5%) | August 31, 2026 |
| 2 | Fidelity Nasdaq Composite Index | 0.18% | 2,743 | $8,970 | — | August 31, 2026 |
| 3 | Fidelity Series Total Market Index | 0.07% | 1,057 | $3,456 | — | August 31, 2026 |
| 4 | Fidelity Total Market Index | 0.01% | 184 | $602 | — | August 31, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
SONM insider transactions
latest 2| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2025-06-30 | Laurence W. Lytton | Sell | $25.02 | 22,250 | $556,695 |
| 2025-06-26 | Laurence W Lytton | Sell | $27.00 | 25,911 | $699,597 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
SONM shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns SONM
Institutional investors own 5.9% of Sonim Technologies's shares and insiders 34.77%. The largest holder is C2C Wealth Management, LLC with 2.39% of the shares (36K), as of June 30, 2026. Among the top 14 institutions, 3 added shares and 8 reduced their stake in the latest filings. Short interest is 1.40% of the float, or 0.86 days of average trading volume. The share count rose 1,293.5% since 2018.
Related: SONM key metrics. See the SONM stock overview for the latest quote and news.
SONM ownership FAQ
Who owns the most Sonim Technologies stock?
The largest shareholders of Sonim Technologies are C2C Wealth Management, LLC (2.39%), BlackRock Inc (0.94%), Citadel Advisors Llc (0.86%), Geode Capital Management, LLC (0.85%), Vanguard Capital Management, LLC (0.40%).
What percentage of Sonim Technologies is owned by institutions?
Institutions hold 5.9% of Sonim Technologies's shares outstanding; insiders hold 34.77%.
Which funds own Sonim Technologies?
The largest fund holders of Sonim Technologies are Fidelity Extended Market Index (0.36%), Fidelity Nasdaq Composite Index (0.18%), Fidelity Series Total Market Index (0.07%), Fidelity Total Market Index (0.01%).
What is Sonim Technologies's short interest?
18K shares of Sonim Technologies were sold short, 1.40% of the float; at the average daily volume it would take 0.86 days to cover.
Are insiders buying or selling Sonim Technologies?
Of the latest 2 reported insider transactions in Sonim Technologies (since June 26, 2025), 0 were purchases and 2 were sales.
How many shares of Sonim Technologies are outstanding?
Sonim Technologies has 1.5M shares outstanding, of which 1.0M are in the public float.