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Ribbon Communications
RBBN

146 hedge funds and large institutions have $804M invested in Ribbon Communications in 2021 Q1 according to their latest regulatory filings, with 37 funds opening new positions, 42 increasing their positions, 49 reducing their positions, and 17 closing their positions.

New
Increased
Maintained
Reduced
Closed

118% more first-time investments, than exits

New positions opened: 37 | Existing positions closed: 17

24% more capital invested

Capital invested by funds: $649M → $804M (+$156M)

14% more funds holding

Funds holding: 128 → 146 (+18)

0% more funds holding in top 10

Funds holding in top 10: 3 → 3 (0)

0.68% less ownership

Funds ownership: 68.04% → 67.35% (-0.68%)

14% less repeat investments, than reductions

Existing positions increased: 42 | Existing positions reduced: 49

81% less call options, than puts

Call options by funds: $2.62M | Put options by funds: $13.9M

Holders
146
Holders Change
+18
Holders Change %
+14.06%
% of All Funds
2.56%
Holding in Top 10
3
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.05%
New
37
Increased
42
Reduced
49
Closed
17
Calls
$2.62M
Puts
$13.9M
Net Calls
-$11.3M
Net Calls Change
-$5.34M

Top Buyers

Rank Fund Capital Flow
1
Impax Asset Management Group
Impax Asset Management Group
United Kingdom
+$8.28M
2
OAM
Ophir Asset Management
Australia
+$5.55M
3
BlackRock
BlackRock
New York
+$5.1M
4
First Trust Advisors
First Trust Advisors
Illinois
+$4.81M
5
Vanguard Group
Vanguard Group
Pennsylvania
+$2.87M

Top Sellers

Rank Fund Capital Flow
1
Invesco
Invesco
Georgia
-$20.3M
2
CCM
Cerberus Capital Management
New York
-$8.28M
3
BCM
Bridgeway Capital Management
Texas
-$3.11M
4
Renaissance Technologies
Renaissance Technologies
New York
-$2.93M
5
JP Morgan Chase
JP Morgan Chase
New York
-$2.56M
Name Holding Trade Value Shares
Change 		Change in
Stake
CCM
26
Cerberus Capital Management
New York
$2.78M -$8.28M -1,000,000 -75%
EGI
27
EAM Global Investors
California
$1.77M +$1.79M +215,689 New
Morgan Stanley
28
Morgan Stanley
New York
$1.68M +$1.14M +137,696 +207%
GC
29
Globeflex Capital
California
$1.62M – – –
Swiss National Bank
30
Swiss National Bank
Switzerland
$1.36M +$16.6K +2,000 +1%
Russell Investments Group
31
Russell Investments Group
United Kingdom
$1.3M -$386K -46,647 -23%
EI
32
EAM Investors
California
$1.26M +$1.27M +153,120 New
Goldman Sachs
33
Goldman Sachs
New York
$1.19M -$268K -32,398 -18%
Millennium Management
34
Millennium Management
New York
$1.19M +$1.2M +145,012 New
HSA
35
Hussman Strategic Advisors
Maryland
$1.18M -$74.5K -9,000 -6%
PPA
36
Parametric Portfolio Associates
Washington
$1.18M +$62K +7,496 +6%
CPA
37
Cowen Prime Advisors
New York
$1.16M -$23.2K -2,800 -2%
California Public Employees Retirement System
38
California Public Employees Retirement System
California
$1.15M -$113K -13,609 -9%
E
39
Ergoteles
New York
$1.03M +$1.04M +125,100 New
PI
40
PEAK6 Investments
Illinois
$1.01M +$359K +43,341 +54%
Group One Trading
41
Group One Trading
Illinois
$986K +$763K +92,157 +330%
Fidelity Investments
42
Fidelity Investments
Massachusetts
$943K +$6.07K +733 +0.6%
Invesco
43
Invesco
Georgia
$917K -$20.3M -2,448,689 -96%
PRCP
44
Pacific Ridge Capital Partners
Oregon
$917K -$288K -34,790 -24%
Assenagon Asset Management
45
Assenagon Asset Management
Luxembourg
$879K – – –
Los Angeles Capital Management
46
Los Angeles Capital Management
California
$878K -$2.4K -290 -0.3%
RhumbLine Advisers
47
RhumbLine Advisers
Massachusetts
$859K -$52K -6,280 -6%
California State Teachers Retirement System (CalSTRS)
48
California State Teachers Retirement System (CalSTRS)
California
$844K -$17.7K -2,138 -2%
OAM
49
Oberweis Asset Management
Illinois
$832K +$243K +29,400 +41%
Bank of America
50
Bank of America
North Carolina
$784K +$498K +60,195 +170%
1
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3 4 5

RBBN Hedge Fund Activity: Q1 2021 in Review

146 of the 5,695 institutional investors tracked by Wall St. Rank reported a position in Ribbon Communications (RBBN) for Q1 2021, worth a combined $804M — up 24% from $649M a quarter earlier.

Buyers outnumbered sellers: 37 funds opened new RBBN positions and 17 closed out — a net gain of 20 holders — while 42 added to existing stakes and 49 trimmed.

The largest buyer was Impax Asset Management Group, opening a new position worth an estimated $8.28M. The largest seller was Invesco, cutting an estimated $20.3M.

  • 146 institutional investors held Ribbon Communications (RBBN) as of Q1 2021, up from 128 in Q4 2020.
  • Funds reported $804M of Ribbon Communications stock for Q1 2021, up 24% quarter-over-quarter.
  • 37 funds opened new Ribbon Communications positions in Q1 2021 and 17 closed out, a net change of +20 holders.
  • The largest Ribbon Communications buyer in Q1 2021 was Impax Asset Management Group, an estimated $8.28M added.
  • The largest Ribbon Communications seller in Q1 2021 was Invesco, an estimated $20.3M sold.

Based on aggregated 13F filings for Q1 2021.