Cambium Networks Corp
CMBMF- Exchange
- OTC
- Industry
- Radio & Tv Broadcasting & Communications Equipment
- SEC CIK
- 0001738177
No open-market purchases or sales by Cambium Networks Corp insiders were filed in the last 90 days; 2 institutions reported holding it in 13F filings for Q2 2026, worth $7.00K in total; no superinvestor holds it.
13F holders, Q1 2026
Institutional positions in Cambium Networks Corp as of Mar 31, 2026. 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
- Institutional holders
- 4
- −23 vs. Q4 2025
- Shares held
- 29.3K
- −1.46M (−98.0%) vs. Q4 2025
- Total value
- $4.03K
- −$2.14M (−99.8%) vs. Q4 2025
- New holders
- 1
- 0 more added
- Sold out
- 24
- 1 more reduced
1 institution that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting CMBMF 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 | 2 | $7.00K |
| Q1 2026 | 4 | $4.03K |
| Q4 2025 | 28 | $2.46M |
| Q3 2025 | 35 | $16.2M |
| Q2 2025 | 38 | $7.27M |
| Q1 2025 | 44 | $14.4M |
| Q4 2024 | 45 | $13.3M |
| Q3 2024 | 48 | $40.3M |
| Q2 2024 | 74 | $66.0M |
| Q1 2024 | 80 | $105.6M |
| Q4 2023 | 80 | $145.7M |
| Q3 2023 | 95 | $174.8M |
| Q2 2023 | 119 | $370.8M |
| Q1 2023 | 112 | $430.2M |
| Q4 2022 | 113 | $535.7M |
| Q3 2022 | 108 | $412.8M |
| Q2 2022 | 102 | $356.1M |
| Q1 2022 | 110 | $560.5M |
| Q4 2021 | 119 | $603.7M |
| Q3 2021 | 134 | $826.6M |
| Q2 2021 | 144 | $1.09B |
| Q1 2021 | 111 | $1.07B |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Cambium Networks Corp; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Thompson Davis & Co., Inc. | 13,500 | $2.02K | 0.00% | −6,500−32.5% | Reduced |
| Cygnus Capital Advisors, LLC | 15,771 | $2.00K | 0.00% | +15,771 | New |
| Huntington National Bank | 1 | $0 | 0.00% | 00.0% | Unchanged |
| Acadian Asset Management LLC | 26 | $0 | 0.00% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −385,749−100.0% | Sold out |
| BlackRock, Inc. | 0 | $0 | 0.00% | −142,861−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −130,745−100.0% | Sold out |
| Geode Capital Management, LLC | 0 | $0 | 0.00% | −129,734−100.0% | Sold out |
| RBF Capital, LLC | 0 | $0 | 0.00% | −121,652−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −118,546−100.0% | Sold out |
| Two Sigma Investments, LP | 0 | $0 | 0.00% | −92,461−100.0% | Sold out |
| State Street Corp | 0 | $0 | 0.00% | −60,390−100.0% | Sold out |
| Buckingham Strategic Partners | 0 | $0 | 0.00% | −53,186−100.0% | Sold out |
| Friday Financial | 0 | $0 | 0.00% | −53,186−100.0% | Sold out |
| Deutsche Bank AG | 0 | $0 | 0.00% | −38,809−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −38,463−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −32,810−100.0% | Sold out |
| Northern Trust Corp | 0 | $0 | 0.00% | −26,280−100.0% | Sold out |
| UBS Group AG | 0 | $0 | 0.00% | −15,960−100.0% | Sold out |
| Scientech Research LLC | 0 | $0 | 0.00% | −12,109−100.0% | Sold out |
| Blair William & Co | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Tower Research Capital LLC (TRC) | 0 | $0 | 0.00% | −2,199−100.0% | Sold out |
| Advisor Group Holdings, Inc. | 0 | $0 | 0.00% | −1,500−100.0% | Sold out |
| JPMorgan Chase & Co | 0 | $0 | 0.00% | −537−100.0% | Sold out |
| BNP Paribas Arbitrage, SA | 0 | $0 | 0.00% | −519−100.0% | Sold out |
| Bank of America Corp | 0 | $0 | 0.00% | −451−100.0% | Sold out |
| SBI Securities Co., Ltd. | 0 | $0 | 0.00% | −22−100.0% | Sold out |
| Citigroup Inc | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |