Two Sigma Advisers
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Two Sigma Advisers’s Ribbon Communications RBBN Stock Holding History

Two Sigma Advisers’s Portfolio RBBN Stock Details RBBN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q1 		– Sell
-21,800
Closed -$90.7K – 2544
2024
Q4 		$90.7K Sell
21,800
-36,000
-62% -$136K ﹤0.01% 2229
2024
Q3 		$188K Sell
57,800
-53,600
-48% -$174K ﹤0.01% 2087
2024
Q2 		$367K Sell
111,400
-53,800
-33% -$164K ﹤0.01% 1995
2024
Q1 		$529K Sell
165,200
-73,100
-31% -$222K ﹤0.01% 1851
2023
Q4 		$691K Sell
238,300
-47,800
-17% -$108K ﹤0.01% 1790
2023
Q3 		$767K Buy
286,100
+72,400
+34% +$211K ﹤0.01% 1632
2023
Q2 		$596K Sell
213,700
-84,400
-28% -$234K ﹤0.01% 1751
2023
Q1 		$1.02M Buy
298,100
+83,200
+39% +$304K ﹤0.01% 1620
2022
Q4 		$600K Buy
214,900
+89,500
+71% +$232K ﹤0.01% 1809
2022
Q3 		$278K Buy
125,400
+19,200
+18% +$60.8K ﹤0.01% 2071
2022
Q2 		$323K Buy
106,200
+23,300
+28% +$70.4K ﹤0.01% 2089
2022
Q1 		$256K Buy
+82,900
New +$340K ﹤0.01% 2294
2020
Q4 		– Sell
-10,014
Closed -$39K – 2548
2020
Q3 		$39K Sell
10,014
-182,652
-95% -$770K ﹤0.01% 2338
2020
Q2 		$757K Sell
192,666
-9,300
-5% -$33.8K ﹤0.01% 1708
2020
Q1 		$612K Buy
201,966
+106,600
+112% +$320K ﹤0.01% 1715
2019
Q4 		$296K Buy
95,366
+300
+0.3% +$1.19K ﹤0.01% 2069
2019
Q3 		$555K Sell
95,066
-34,500
-27% -$181K ﹤0.01% 1679
2019
Q2 		$634K Buy
129,566
+25,300
+24% +$124K ﹤0.01% 1717
2019
Q1 		$537K Sell
104,266
-2,200
-2% -$11.8K ﹤0.01% 1769
2018
Q4 		$513K Sell
106,466
-23,247
-18% -$135K ﹤0.01% 1760
2018
Q3 		$886K Sell
129,713
-19,600
-13% -$140K ﹤0.01% 1549
2018
Q2 		$1.06M Sell
149,313
-16,300
-10% -$95.5K ﹤0.01% 1583
2018
Q1 		$845K Sell
165,613
-70,062
-30% -$453K ﹤0.01% 1622
2017
Q4 		$1.82M Sell
235,675
-17,838
-7% -$137K ﹤0.01% 1288
2017
Q3 		$1.94M Sell
253,513
-38,264
-13% -$274K 0.01% 1213
2017
Q2 		$2.17M Sell
291,777
-48,236
-14% -$355K 0.01% 1163
2017
Q1 		$2.24M Buy
340,013
+41,901
+14% +$265K 0.01% 1194
2016
Q4 		$1.88M Buy
298,112
+33,877
+13% +$223K 0.01% 1217
2016
Q3 		$2.06M Sell
264,235
-78,999
-23% -$690K 0.01% 1008
2016
Q2 		$2.98M Buy
343,234
+65,400
+24% +$545K 0.02% 718
2016
Q1 		$2.09M Buy
277,834
+92,100
+50% +$615K 0.01% 788
2015
Q4 		$1.32M Buy
+185,734
New +$1.25M 0.01% 906
2015
Q2 		– Sell
-33,654
Closed -$265K – 2038
2015
Q1 		$265K Buy
33,654
+26,060
+343% +$429K ﹤0.01% 1631
2014
Q4 		$151K Buy
+7,594
New +$134K ﹤0.01% 2269
2014
Q3 		– Sell
-24,334
Closed -$437K – 2607
2014
Q2 		$437K Buy
24,334
+14,780
+155% +$250K ﹤0.01% 1776
2014
Q1 		$161K Sell
9,554
-5,020
-34% -$83.4K ﹤0.01% 2132
2013
Q4 		$230K Buy
14,574
+2,360
+19% +$36.4K ﹤0.01% 2052
2013
Q3 		$207K Buy
12,214
+5,700
+88% +$96.9K ﹤0.01% 1914
2013
Q2 		$98K Buy
+6,514
New +$86.9K ﹤0.01% 2078

Other funds holding RBBN

JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
Neuberger Berman Group
Neuberger Berman Group New York $131B AUM 28.36% 1-Year Est. Return
PCMI
Paradigm Capital Management Inc Albany, New York $2.61B AUM 78.58% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
RA
Royce & Associates New York $10.1B AUM 42.88% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
FWSM
First Wilshire Securities Management Pasadena, California $444M AUM 42.88% 1-Year Est. Return

Two Sigma Advisers's RBBN Position: Q1 2025 in Review

Two Sigma Advisers sold out of Ribbon Communications (RBBN) in Q1 2025, closing a stake of 21,800 shares — an estimated $90.7K sold.

Two Sigma Advisers first reported a position in RBBN in Q2 2013 and held it in 39 quarters. The position peaked at $2.98M in Q2 2016. 144 funds tracked by Wall St. Rank hold RBBN as of Q1 2025.

  • Two Sigma Advisers reported no remaining Ribbon Communications position as of Q1 2025 after selling out during the quarter.
  • Two Sigma Advisers sold 21,800 Ribbon Communications shares in Q1 2025, an estimated $90.7K.
  • Two Sigma Advisers first reported a position in Ribbon Communications in Q2 2013 and held it in 39 quarters.
  • Two Sigma Advisers's Ribbon Communications position peaked at $2.98M in Q2 2016.
  • 144 funds tracked by Wall St. Rank held Ribbon Communications as of Q1 2025.

Based on Two Sigma Advisers's 13F filing for Q1 2025, filed 15 May 2025.