Cambium NetworksCMBMF
13F holders, Q4 2025 (December 31)28holders −7
3new positions
8sold out
1famous investor
$1.44avg. 13F price*
At the end of Q4 2025, 28 institutions reported holding Cambium Networks Corp. (CMBMF) in their 13F filings, down 7 from Q3 2025. 3 opened new positions and 8 sold out. The largest holders were Renaissance Technologies ($555K), Vanguard Group Inc. ($315K) and BlackRock, Inc. ($206K). One famous investor held it Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).
- Company
- Cambium Networks Corp.
- CUSIP
- G17766109
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 3 | $101K |
| Exits | 8 | $873K |
All 13F filers, Q3 2025 → Q4 2025: 259,789 shares bought and 1,512,986 shares sold, net −1,253,197 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 28 holders
| Renaissance Technologies | 0.00% | Reduce -20.9% | 385,749 | $555K |
| Vanguard Group Inc. | 0.00% | Add +32.0% | 218,960 | $315K |
| BlackRock, Inc. | 0.00% | Reduce -8.0% | 142,861 | $206K |
| Jane Street Group, LLC | 0.00% | Add +161.5% | 130,745 | $188K |
| Geode Capital Management, LLC | 0.00% | Add +1.7% | 129,734 | $187K |
| RBF Capital, LLC | 0.01% | Reduce -41.3% | 121,652 | $175K |
| Gsa Capital Partners LLP | 0.01% | Reduce -35.1% | 118,546 | $171K |
| Two Sigma Investments, LP | 0.00% | Reduce -74.4% | 92,461 | $133K |
| State Street Corp. | 0.00% | Add +51.8% | 60,390 | $87K |
| Friday Financial | 0.03% | No change | 53,186 | $77K |
| Focus Partners Advisor Solutions, LLC | 0.00% | No change | 53,186 | $77K |
| Deutsche Bank AG | 0.00% | No change | 38,809 | $56K |
| Virtu Financial LLC | 0.00% | New | 38,463 | $55K |
| XTX Topco Ltd | 0.00% | Add +38.1% | 32,810 | $47K |
| Northern Trust Corp. | 0.00% | Add +66.8% | 26,280 | $38K |
| Thompson Davis & Co., Inc. | 0.02% | New | 20,000 | $29K |
| UBS Group AG | 0.00% | Add +440.5% | 15,960 | $23K |
| Scientech Research LLC | 0.01% | New | 12,109 | $17K |
| Blair William & Co. | 0.00% | No change | 10,000 | $14K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -14.2% | 2,199 | $3K |
| Osaic Holdings, Inc. | 0.00% | No change | 1,500 | $2K |
| JPMorgan Chase & Co. | 0.00% | No change | 537 | $774 |
| BNP Paribas Financial Markets | 0.00% | No change | 519 | $747 |
| Bank of America Corp. | 0.00% | Reduce -31.1% | 451 | $649 |
| SBI Securities Co., Ltd. | 0.00% | Reduce -4.3% | 22 | $32 |
| Huntington National Bank | 0.00% | No change | 1 | $1 |
| Citigroup Inc. | 0.00% | Reduce -100.0% | 1 | $1 |
| Acadian Asset Management LLC | 0.00% | No change | 26 | $0 |
"% of holder's portfolio" is CMBMF's weight in each manager's 13F, not the share of Cambium Networks Corp. the manager owns.