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, Q4 2025
Institutional positions in Cambium Networks Corp as of Dec 31, 2025. 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
- 28
- −5 vs. Q3 2025
- Shares held
- 1.71M
- −1.25M (−42.3%) vs. Q3 2025
- Total value
- $2.46M
- −$187.5K (−7.1%) vs. Q3 2025
- New holders
- 3
- 7 more added
- Sold out
- 8
- 9 more reduced
2 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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 | 111 | $430.1M |
| 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 | 143 | $1.09B |
| Q1 2021 | 111 | $1.07B |
Institutions, Q4 2025
Shares, value and share of portfolio for each institution holding Cambium Networks Corp; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Renaissance Technologies LLC | 385,749 | $555.5K | 0.00% | −102,243−21.0% | Reduced |
| Vanguard Group Inc | 218,960 | $315.3K | 0.00% | +53,087+32.0% | Added |
| BlackRock, Inc. | 142,861 | $205.7K | 0.00% | −12,419−8.0% | Reduced |
| Jane Street Group, LLC | 130,745 | $188.3K | 0.00% | +80,749+161.5% | Added |
| Geode Capital Management, LLC | 129,734 | $186.9K | 0.00% | +2,192+1.7% | Added |
| RBF Capital, LLC | 121,652 | $175.2K | 0.01% | −85,654−41.3% | Reduced |
| Gsa Capital Partners LLP | 118,546 | $171.0K | 0.01% | −64,191−35.1% | Reduced |
| Two Sigma Investments, LP | 92,461 | $133.1K | 0.00% | −268,627−74.4% | Reduced |
| State Street Corp | 60,390 | $87.0K | 0.00% | +20,600+51.8% | Added |
| Buckingham Strategic Partners | 53,186 | $76.6K | 0.00% | 00.0% | Unchanged |
| Friday Financial | 53,186 | $76.6K | 0.03% | 00.0% | Unchanged |
| Deutsche Bank AG | 38,809 | $55.9K | 0.00% | 00.0% | Unchanged |
| Virtu Financial LLC | 38,463 | $55.0K | 0.00% | +38,463 | New |
| XTX Topco Ltd | 32,810 | $47.2K | 0.00% | +9,056+38.1% | Added |
| Northern Trust Corp | 26,280 | $37.8K | 0.00% | +10,526+66.8% | Added |
| Thompson Davis & Co., Inc. | 20,000 | $28.8K | 0.02% | +20,000 | New |
| UBS Group AG | 15,960 | $23.0K | 0.00% | +13,007+440.5% | Added |
| Scientech Research LLC | 12,109 | $17.4K | 0.01% | +12,109 | New |
| Blair William & Co | 10,000 | $14.4K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 2,199 | $3.17K | 0.00% | −365−14.2% | Reduced |
| Advisor Group Holdings, Inc. | 1,500 | $2.16K | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 537 | $774 | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 519 | $747 | 0.00% | 00.0% | Unchanged |
| Bank of America Corp | 451 | $649 | 0.00% | −204−31.1% | Reduced |
| SBI Securities Co., Ltd. | 22 | $32 | 0.00% | −1−4.3% | Reduced |
| Citigroup Inc | 1 | $1 | 0.00% | −1,978−99.9% | Reduced |
| Huntington National Bank | 1 | $1 | 0.00% | 00.0% | Unchanged |
| Acadian Asset Management LLC | 26 | $0 | 0.00% | 00.0% | Unchanged |
| Paradigm Capital Management Inc | 0 | $0 | 0.00% | −466,900−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −444,200−100.0% | Sold out |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −26,989−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −21,307−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −12,253−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −3,500−100.0% | Sold out |
| Morgan Stanley | 0 | $0 | 0.00% | −1,188−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −967−100.0% | Sold out |
| Vector Capital Management, L.P. | – | – | – | – | Not filed |
| AMH Equity Ltd | – | – | – | – | Not filed |