Cambium Networks
CMBM
CMBM was delisted on the 26th of March, 2026.
119 hedge funds and large institutions have $603M invested in Cambium Networks in 2021 Q4 according to their latest regulatory filings, with 21 funds opening new positions, 51 increasing their positions, 31 reducing their positions, and 35 closing their positions.
65% more repeat investments, than reductions
Existing positions increased: 51 | Existing positions reduced: 31
2.24% more ownership
Funds ownership: 86.18% → 88.42% (+2.2%)
0% more funds holding in top 10
Funds holding in top 10: 1 → 1 (0)
11% less funds holding
Funds holding: 134 → 119 (-15)
27% less capital invested
Capital invested by funds: $824M → $603M (-$220M)
40% less first-time investments, than exits
New positions opened: 21 | Existing positions closed: 35
100% less call options, than puts
Call options by funds: $0 | Put options by funds: $2K
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
RHJA
Rice Hall James & Associates
San Diego,
California
|
+$10.3M |
| 2 |
Morgan Stanley
New York
|
+$9.81M |
| 3 |
TCM
Tributary Capital Management
Omaha,
Nebraska
|
+$8.01M |
| 4 |
NIM
Needham Investment Management
New York
|
+$6.82M |
| 5 |
RA
Royce & Associates
New York
|
+$5.79M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
DCM
Driehaus Capital Management
Chicago,
Illinois
|
-$18.4M |
| 2 |
MFIMFI
Mesirow Financial Investment Management - Fixed Income
Chicago,
Illinois
|
-$6.3M |
| 3 |
NA
Navellier & Associates
Reno,
Nevada
|
-$4.63M |
| 4 |
HIM
Hillsdale Investment Management
Toronto,
Ontario, Canada
|
-$4.22M |
| 5 |
Bank of Montreal
Toronto,
Ontario, Canada
|
-$3.77M |
CMBM Hedge Fund Activity: Q4 2021 in Review
119 of the 6,499 institutional investors tracked by Wall St. Rank reported a position in Cambium Networks (CMBM) for Q4 2021, worth a combined $603M — down 27% from $824M a quarter earlier.
Sellers outnumbered buyers: 35 funds closed out of CMBM and 21 opened new positions — a net loss of 14 holders — while 31 trimmed existing stakes and 51 added.
The largest buyer was Rice Hall James & Associates, adding an estimated $10.3M. The largest seller was Driehaus Capital Management, cutting an estimated $18.4M.
- 119 institutional investors held Cambium Networks (CMBM) as of Q4 2021, down from 134 in Q3 2021.
- Funds reported $603M of Cambium Networks stock for Q4 2021, down 27% quarter-over-quarter.
- 21 funds opened new Cambium Networks positions in Q4 2021 and 35 closed out, a net change of -14 holders.
- The largest Cambium Networks buyer in Q4 2021 was Rice Hall James & Associates, an estimated $10.3M added.
- The largest Cambium Networks seller in Q4 2021 was Driehaus Capital Management, an estimated $18.4M sold.
Based on aggregated 13F filings for Q4 2021.