Cambium Networks
CMBM
CMBM was delisted on the 26th of March, 2026.
134 hedge funds and large institutions have $824M invested in Cambium Networks in 2021 Q3 according to their latest regulatory filings, with 24 funds opening new positions, 60 increasing their positions, 34 reducing their positions, and 32 closing their positions.
76% more repeat investments, than reductions
Existing positions increased: 60 | Existing positions reduced: 34
0.53% more ownership
Funds ownership: 85.65% → 86.18% (+0.53%)
0% more funds holding in top 10
Funds holding in top 10: 1 → 1 (0)
6% less funds holding
Funds holding: 142 → 134 (-8)
24% less capital invested
Capital invested by funds: $1.09B → $824M (-$265M)
25% less first-time investments, than exits
New positions opened: 24 | Existing positions closed: 32
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
TCM
Tributary Capital Management
Omaha,
Nebraska
|
+$12.9M |
| 2 |
Vanguard Group
Malvern,
Pennsylvania
|
+$4.66M |
| 3 |
Bank of Montreal
Toronto,
Ontario, Canada
|
+$4.18M |
| 4 |
PAMP
Polar Asset Management Partners
Toronto,
Ontario, Canada
|
+$3.76M |
| 5 |
HSA
Hussman Strategic Advisors
Ellicott City,
Maryland
|
+$3.74M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Balyasny Asset Management
Chicago,
Illinois
|
-$11.3M |
| 2 |
DCM
Driehaus Capital Management
Chicago,
Illinois
|
-$6.71M |
| 3 |
AR
Advisory Research
Chicago,
Illinois
|
-$5.51M |
| 4 |
CCM
CAAS Capital Management
New York
|
-$3.65M |
| 5 |
Morgan Stanley
New York
|
-$3.25M |
CMBM Hedge Fund Activity: Q3 2021 in Review
134 of the 5,713 institutional investors tracked by Wall St. Rank reported a position in Cambium Networks (CMBM) for Q3 2021, worth a combined $824M — down 24% from $1.09B a quarter earlier.
Sellers outnumbered buyers: 32 funds closed out of CMBM and 24 opened new positions — a net loss of 8 holders — while 34 trimmed existing stakes and 60 added.
The largest buyer was Tributary Capital Management, opening a new position worth an estimated $12.9M. The largest seller was Balyasny Asset Management, exiting entirely with an estimated $11.3M sold.
- 134 institutional investors held Cambium Networks (CMBM) as of Q3 2021, down from 142 in Q2 2021.
- Funds reported $824M of Cambium Networks stock for Q3 2021, down 24% quarter-over-quarter.
- 24 funds opened new Cambium Networks positions in Q3 2021 and 32 closed out, a net change of -8 holders.
- The largest Cambium Networks buyer in Q3 2021 was Tributary Capital Management, an estimated $12.9M added.
- The largest Cambium Networks seller in Q3 2021 was Balyasny Asset Management, an estimated $11.3M sold.
Based on aggregated 13F filings for Q3 2021.