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Ribbon Communications
RBBN

124 hedge funds and large institutions have $582M invested in Ribbon Communications in 2021 Q3 according to their latest regulatory filings, with 14 funds opening new positions, 43 increasing their positions, 35 reducing their positions, and 16 closing their positions.

New
Increased
Maintained
Reduced
Closed

23% more repeat investments, than reductions

Existing positions increased: 43 | Existing positions reduced: 35

0% more funds holding in top 10

Funds holding in top 10: 1 → 1 (0)

1.11% less ownership

Funds ownership: 66.66% → 65.55% (-1.1%)

2% less funds holding

Funds holding: 126 → 124 (-2)

13% less first-time investments, than exits

New positions opened: 14 | Existing positions closed: 16

22% less capital invested

Capital invested by funds: $747M → $582M (-$166M)

92% less call options, than puts

Call options by funds: $163K | Put options by funds: $1.96M

Holders
124
Holders Change
-2
Holders Change %
-1.59%
% of All Funds
2.17%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.02%
New
14
Increased
43
Reduced
35
Closed
16
Calls
$163K
Puts
$1.96M
Net Calls
-$1.8M
Net Calls Change
+$4.93M

Top Buyers

Rank Fund Capital Flow
1
First Trust Advisors
First Trust Advisors
Illinois
+$2.62M
2
HSA
Hussman Strategic Advisors
Maryland
+$837K
3
GCP
GSA Capital Partners
United Kingdom
+$555K
4
PCMI
Paradigm Capital Management Inc
New York
+$411K
5
Morgan Stanley
Morgan Stanley
New York
+$370K

Top Sellers

Rank Fund Capital Flow
1
Impax Asset Management Group
Impax Asset Management Group
United Kingdom
-$4.02M
2
Arrowstreet Capital
Arrowstreet Capital
Massachusetts
-$2.1M
3
OAM
Ophir Asset Management
Australia
-$1.57M
4
Susquehanna International Group
Susquehanna International Group
Pennsylvania
-$1.44M
5
BlackRock
BlackRock
New York
-$1.05M
Name Holding Trade Value Shares
Change 		Change in
Stake
GC
26
Globeflex Capital
California
$1.18M – – –
Group One Trading
27
Group One Trading
Illinois
$1.05M +$61.4K +9,094 +5%
Russell Investments Group
28
Russell Investments Group
United Kingdom
$854K -$15K -2,219 -2%
CPA
29
Cowen Prime Advisors
New York
$844K +$3.38K +500 +0.4%
PRCP
30
Pacific Ridge Capital Partners
Oregon
$839K +$38.6K +5,710 +4%
PPA
31
Parametric Portfolio Associates
Washington
$804K -$21.1K -3,126 -2%
Citigroup
32
Citigroup
New York
$793K +$55.6K +8,238 +7%
Morgan Stanley
33
Morgan Stanley
New York
$728K +$370K +54,808 +82%
California State Teachers Retirement System (CalSTRS)
34
California State Teachers Retirement System (CalSTRS)
California
$694K +$130K +19,295 +20%
BFM
35
Boothbay Fund Management
New York
$690K +$142K +21,055 +22%
Principal Financial Group
36
Principal Financial Group
Iowa
$635K -$5.31K -786 -0.7%
Renaissance Technologies
37
Renaissance Technologies
New York
$634K -$681K -100,800 -49%
BCM
38
Bridgeway Capital Management
Texas
$632K – – –
Goldman Sachs
39
Goldman Sachs
New York
$614K +$20K +2,967 +3%
RhumbLine Advisers
40
RhumbLine Advisers
Massachusetts
$588K +$22.5K +3,326 +4%
Fidelity Investments
41
Fidelity Investments
Massachusetts
$585K -$79K -11,700 -11%
Los Angeles Capital Management
42
Los Angeles Capital Management
California
$561K -$70.4K -10,430 -10%
Invesco
43
Invesco
Georgia
$508K -$231K -34,148 -29%
ZCM
44
Zebra Capital Management
Connecticut
$508K +$57.5K +8,521 +11%
UBS AM
45
UBS AM
Illinois
$507K +$6.99K +1,035 +1%
GCP
46
GSA Capital Partners
United Kingdom
$491K +$555K +82,184 New
CS
47
Credit Suisse
Switzerland
$440K +$102K +15,065 +26%
Mackenzie Financial
48
Mackenzie Financial
Ontario, Canada
$392K +$11.4K +1,686 +3%
PCM
49
Palisade Capital Management
New Jersey
$389K – – –
MWA
50
Meridian Wealth Advisors
Texas
$388K – – –
1
2
3 4 5

RBBN Hedge Fund Activity: Q3 2021 in Review

124 of the 5,712 institutional investors tracked by Wall St. Rank reported a position in Ribbon Communications (RBBN) for Q3 2021, worth a combined $582M — down 22% from $747M a quarter earlier.

Sellers outnumbered buyers: 16 funds closed out of RBBN and 14 opened new positions — a net loss of 2 holders — while 35 trimmed existing stakes and 43 added.

The largest buyer was First Trust Advisors, adding an estimated $2.62M. The largest seller was Impax Asset Management Group, cutting an estimated $4.02M.

  • 124 institutional investors held Ribbon Communications (RBBN) as of Q3 2021, down from 126 in Q2 2021.
  • Funds reported $582M of Ribbon Communications stock for Q3 2021, down 22% quarter-over-quarter.
  • 14 funds opened new Ribbon Communications positions in Q3 2021 and 16 closed out, a net change of -2 holders.
  • The largest Ribbon Communications buyer in Q3 2021 was First Trust Advisors, an estimated $2.62M added.
  • The largest Ribbon Communications seller in Q3 2021 was Impax Asset Management Group, an estimated $4.02M sold.

Based on aggregated 13F filings for Q3 2021.