Group One Trading
RBBN icon

Group One Trading’s Ribbon Communications RBBN Stock Holding History

Group One Trading’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
2026
Q1 		$666 Buy
+314
New +$751 ﹤0.01% 7283
2025
Q1 		– Sell
-171
Closed -$721 – 8243
2024
Q4 		$711 Sell
171
-745
-81% -$2.81K ﹤0.01% 6954
2024
Q3 		$2.98K Buy
916
+617
+206% +$2K ﹤0.01% 6046
2024
Q2 		$984 Buy
+299
New +$909 ﹤0.01% 6363
2023
Q4 		– Sell
-197
Closed -$444 – 8053
2023
Q3 		$528 Sell
197
-6,000
-97% -$17.5K ﹤0.01% 7332
2023
Q2 		$17.3K Buy
6,197
+3,997
+182% +$11.1K ﹤0.01% 6075
2023
Q1 		$7.52K Buy
2,200
+1,000
+83% +$3.65K ﹤0.01% 6096
2022
Q4 		$3.35K Sell
1,200
-3,638
-75% -$9.43K ﹤0.01% 6500
2022
Q3 		$11K Buy
4,838
+2,034
+73% +$6.44K ﹤0.01% 6446
2022
Q2 		$9K Sell
2,804
-2,040
-42% -$6.16K ﹤0.01% 6825
2022
Q1 		$15K Sell
4,844
-61,283
-93% -$251K ﹤0.01% 6958
2021
Q4 		$400K Sell
66,127
-109,234
-62% -$648K ﹤0.01% 4383
2021
Q3 		$1.05M Buy
175,361
+9,094
+5% +$61.4K ﹤0.01% 3358
2021
Q2 		$1.26M Buy
166,267
+46,203
+38% +$354K ﹤0.01% 3137
2021
Q1 		$986K Buy
120,064
+92,157
+330% +$763K ﹤0.01% 3249
2020
Q4 		$183K Buy
27,907
+22,107
+381% +$117K ﹤0.01% 4118
2020
Q3 		$22K Hold
5,800
– – ﹤0.01% 5086
2020
Q2 		$23K Sell
5,800
-100
-2% -$363 ﹤0.01% 4768
2020
Q1 		$18K Sell
5,900
-900
-13% -$2.71K ﹤0.01% 4284
2019
Q4 		$21K Buy
6,800
+900
+15% +$3.58K ﹤0.01% 4358
2019
Q3 		$34K Buy
+5,900
New +$31K ﹤0.01% 4164
2019
Q1 		– Sell
-3,500
Closed -$18.7K – 5272
2018
Q4 		$17K Buy
3,500
+3,100
+775% +$18K ﹤0.01% 4093
2018
Q3 		$3K Buy
+400
New +$2.85K ﹤0.01% 4969
2018
Q2 		– Sell
-6,591
Closed -$38.6K – 5393
2018
Q1 		$34K Sell
6,591
-2,000
-23% -$12.9K ﹤0.01% 3842
2017
Q4 		$66K Buy
8,591
+900
+12% +$6.91K ﹤0.01% 3582
2017
Q3 		$59K Hold
7,691
– – ﹤0.01% 3546
2017
Q2 		$57K Sell
7,691
-400
-5% -$2.95K ﹤0.01% 3443
2017
Q1 		$53K Sell
8,091
-300
-4% -$1.9K ﹤0.01% 3369
2016
Q4 		$53K Sell
8,391
-182
-2% -$1.2K ﹤0.01% 3228
2016
Q3 		$67K Buy
8,573
+2,225
+35% +$19.4K ﹤0.01% 3172
2016
Q2 		$55K Sell
6,348
-9,473
-60% -$78.9K ﹤0.01% 3250
2016
Q1 		$119K Sell
15,821
-4,470
-22% -$29.9K ﹤0.01% 2712
2015
Q4 		$145K Buy
20,291
+4,285
+27% +$28.8K ﹤0.01% 2737
2015
Q3 		$92K Sell
16,006
-45,032
-74% -$304K ﹤0.01% 3106
2015
Q2 		$422K Buy
61,038
+26,066
+75% +$204K 0.01% 1922
2015
Q1 		$276K Buy
34,972
+29,601
+551% +$488K ﹤0.01% 2115
2014
Q4 		$107K Sell
5,371
-12,606
-70% -$223K ﹤0.01% 2791
2014
Q3 		$307K Buy
17,977
+4,873
+37% +$93K ﹤0.01% 2024
2014
Q2 		$235K Sell
13,104
-6,494
-33% -$110K ﹤0.01% 2259
2014
Q1 		$330K Sell
19,598
-32,930
-63% -$547K 0.01% 2006
2013
Q4 		$827K Buy
52,528
+39,703
+310% +$613K 0.01% 1226
2013
Q3 		$217K Buy
+12,825
New +$218K ﹤0.01% 2310

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
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
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Connor, Clark & Lunn Investment Management (CC&L)
Connor, Clark & Lunn Investment Management (CC&L) Vancouver, British Columbia, Canada $43.4B AUM 51.29% 1-Year Est. Return

Group One Trading's RBBN Position: Q1 2026 in Review

Group One Trading opened a new position in Ribbon Communications (RBBN) in Q1 2026: 314 shares worth $666. The stake represents ﹤0.01% of the portfolio and ranks #7283 among its holdings. This is a return to the name: Group One Trading previously reported a position in RBBN as recently as Q4 2024.

Group One Trading first reported a position in RBBN in Q3 2013 and has held it in 42 quarters since. The position peaked at $1.26M in Q2 2021. 150 funds tracked by Wall St. Rank hold RBBN as of Q1 2026.

  • Group One Trading held 314 shares of Ribbon Communications worth $666 as of Q1 2026.
  • Ribbon Communications was a new Group One Trading position in Q1 2026.
  • Ribbon Communications made up ﹤0.01% of Group One Trading's portfolio in Q1 2026, its #7283 holding.
  • Group One Trading first reported a position in Ribbon Communications in Q3 2013 and has held it in 42 quarters since.
  • Group One Trading's Ribbon Communications position peaked at $1.26M in Q2 2021.
  • 150 funds tracked by Wall St. Rank held Ribbon Communications as of Q1 2026.

Based on Group One Trading's 13F filing for Q1 2026, filed 13 May 2026.