Ribbon Communications
RBBN
160 hedge funds and large institutions have $290M invested in Ribbon Communications in 2026 Q2 according to their latest regulatory filings, with 23 funds opening new positions, 64 increasing their positions, 41 reducing their positions, and 12 closing their positions.
92% more first-time investments, than exits
New positions opened: 23 | Existing positions closed: 12
56% more repeat investments, than reductions
Existing positions increased: 64 | Existing positions reduced: 41
8% more capital invested
Capital invested by funds: $268M → $290M (+$21.6M)
7% more funds holding
Funds holding: 150 → 160 (+10)
0.76% less ownership
Funds ownership: 73.61% → 72.85% (-0.76%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Neuberger Berman Group
New York
|
+$2.51M |
| 2 |
Citadel Advisors
Miami,
Florida
|
+$1.76M |
| 3 |
BlackRock
New York
|
+$1.12M |
| 4 |
Acadian Asset Management
Boston,
Massachusetts
|
+$870K |
| 5 |
BNP Paribas Asset Management
Paris,
France
|
+$801K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
PCMI
Paradigm Capital Management Inc
Albany,
New York
|
-$13.2M |
| 2 |
Goldman Sachs
New York
|
-$869K |
| 3 |
Vanguard Capital Management
Malvern,
Pennsylvania
|
-$768K |
| 4 |
OAM
OP Asset Management
Helsinki,
|
-$438K |
| 5 |
GCP
GSA Capital Partners
London,
United Kingdom
|
-$313K |
RBBN Hedge Fund Activity: Q2 2026 in Review
160 of the 8,295 institutional investors tracked by Wall St. Rank reported a position in Ribbon Communications (RBBN) for Q2 2026, worth a combined $290M — up 8.1% from $268M a quarter earlier.
Buyers outnumbered sellers: 23 funds opened new RBBN positions and 12 closed out — a net gain of 11 holders — while 64 added to existing stakes and 41 trimmed.
The largest buyer was Neuberger Berman Group, adding an estimated $2.51M. The largest seller was Paradigm Capital Management Inc, cutting an estimated $13.2M.
- 160 institutional investors held Ribbon Communications (RBBN) as of Q2 2026, up from 150 in Q1 2026.
- Funds reported $290M of Ribbon Communications stock for Q2 2026, up 8.1% quarter-over-quarter.
- 23 funds opened new Ribbon Communications positions in Q2 2026 and 12 closed out, a net change of +11 holders.
- The largest Ribbon Communications buyer in Q2 2026 was Neuberger Berman Group, an estimated $2.51M added.
- The largest Ribbon Communications seller in Q2 2026 was Paradigm Capital Management Inc, an estimated $13.2M sold.
Based on aggregated 13F filings for Q2 2026.