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Ribbon Communications
RBBN

Overview Fund Activity

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 15 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
124
Holders Change
-1
Holders Change %
-0.8%
% of All Funds
2.18%
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
15
Calls
$163K
Puts
$1.96M
Net Calls
-$1.8M
Net Calls Change
+$4.93M

Top Buyers

1
First Trust Advisors
1
First Trust Advisors
Illinois
$10.8M
2
GAM
2
Gotham Asset Management
New York
$1.19M
3
HSA
3
Hussman Strategic Advisors
Maryland
$1.85M
4
GCP
4
GSA Capital Partners
United Kingdom
$491K
5
PCMI
5
Paradigm Capital Management Inc
New York
$50.7M

Top Sellers

1
Impax Asset Management Group
1
Impax Asset Management Group
United Kingdom
$6.51M
2
Arrowstreet Capital
2
Arrowstreet Capital
Massachusetts
$4.45M
3
Susquehanna International Group
3
Susquehanna International Group
Pennsylvania
$0
4
OAM
4
Ophir Asset Management
Australia
$14.8M
5
BlackRock
5
BlackRock
New York
$38.5M
Name Holding Trade Value Shares
Change 		Shares
Change %
GC
26
Globeflex Capital
California
$1.18M – – –
Group One Trading
27
Group One Trading
Illinois
$1.05M +$54.4K +9,094 +5%
Russell Investments Group
28
Russell Investments Group
United Kingdom
$854K -$13.3K -2,219 -2%
CPA
29
Cowen Prime Advisors
New York
$844K +$2.99K +500 +0.4%
PRCP
30
Pacific Ridge Capital Partners
Oregon
$839K +$34.1K +5,710 +4%
PPA
31
Parametric Portfolio Associates
Washington
$804K -$18.7K -3,126 -2%
Citigroup
32
Citigroup
New York
$793K +$49.3K +8,238 +7%
Morgan Stanley
33
Morgan Stanley
New York
$728K +$328K +54,808 +82%
California State Teachers Retirement System (CalSTRS)
34
California State Teachers Retirement System (CalSTRS)
California
$694K +$115K +19,295 +20%
BFM
35
Boothbay Fund Management
New York
$690K +$126K +21,055 +22%
Principal Financial Group
36
Principal Financial Group
Iowa
$635K -$4.7K -786 -0.7%
Renaissance Technologies
37
Renaissance Technologies
New York
$634K -$602K -100,800 -49%
BCM
38
Bridgeway Capital Management
Texas
$632K – – –
Goldman Sachs
39
Goldman Sachs
New York
$614K +$17.8K +2,967 +3%
RhumbLine Advisers
40
RhumbLine Advisers
Massachusetts
$588K +$19.9K +3,326 +4%
Fidelity Investments
41
Fidelity Investments
Massachusetts
$585K -$70K -11,700 -11%
Los Angeles Capital Management
42
Los Angeles Capital Management
California
$561K -$62.4K -10,430 -10%
Invesco
43
Invesco
Georgia
$508K -$204K -34,148 -29%
ZCM
44
Zebra Capital Management
Connecticut
$508K +$50.9K +8,521 +11%
UBS AM
45
UBS AM
Illinois
$507K +$6.19K +1,035 +1%
GCP
46
GSA Capital Partners
United Kingdom
$491K +$491K +82,184 New
CS
47
Credit Suisse
Switzerland
$440K +$90K +15,065 +26%
Mackenzie Financial
48
Mackenzie Financial
Ontario, Canada
$392K +$10.1K +1,686 +3%
PCM
49
Palisade Capital Management
New Jersey
$389K – – –
MWA
50
Meridian Wealth Advisors
Texas
$388K – – –
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