IIM
RBBN icon

Ironwood Investment Management’s Ribbon Communications RBBN Stock Holding History

Ironwood Investment Management’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 		$38.3K Sell
18,066
-284
-2% -$680 0.02% 178
2025
Q4 		$52.8K Sell
18,350
-52
-0.3% -$168 0.02% 171
2025
Q3 		$69.9K Sell
18,402
-243
-1% -$955 0.03% 169
2025
Q2 		$74.8K Sell
18,645
-573
-3% -$2.06K 0.04% 165
2025
Q1 		$75.3K Buy
19,218
+54
+0.3% +$228 0.04% 156
2024
Q4 		$79.7K Buy
19,164
+239
+1% +$902 0.04% 163
2024
Q3 		$61.5K Buy
18,925
+160
+0.9% +$519 0.03% 169
2024
Q2 		$61.7K Buy
18,765
+73
+0.4% +$222 0.03% 165
2024
Q1 		$59.8K Sell
18,692
-174
-0.9% -$529 0.03% 169
2023
Q4 		$54.7K Sell
18,866
-392
-2% -$883 0.03% 163
2023
Q3 		$51.6K Sell
19,258
-637
-3% -$1.86K 0.03% 158
2023
Q2 		$55.5K Sell
19,895
-48
-0.2% -$133 0.03% 163
2023
Q1 		$68.2K Buy
19,943
+1,889
+10% +$6.9K 0.04% 159
2022
Q4 		$50.4K Sell
18,054
-2,646
-13% -$6.86K 0.03% 161
2022
Q3 		$46K Buy
20,700
+53
+0.3% +$168 0.03% 163
2022
Q2 		$63K Buy
20,647
+7
+0% +$21 0.04% 162
2022
Q1 		$64K Buy
20,640
+209
+1% +$856 0.03% 171
2021
Q4 		$124K Buy
20,431
+527
+3% +$3.13K 0.06% 179
2021
Q3 		$119K Buy
19,904
+23
+0.1% +$155 0.06% 170
2021
Q2 		$151K Sell
19,881
-455
-2% -$3.48K 0.08% 172
2021
Q1 		$167K Buy
20,336
+77
+0.4% +$637 0.09% 167
2020
Q4 		$133K Sell
20,259
-686
-3% -$3.62K 0.08% 161
2020
Q3 		$81K Sell
20,945
-35
-0.2% -$148 0.06% 155
2020
Q2 		$82K Sell
20,980
-115
-0.5% -$418 0.06% 149
2020
Q1 		$64K Buy
21,095
+3,286
+18% +$9.88K 0.06% 151
2019
Q4 		$55K Sell
17,809
-17,219
-49% -$68.5K 0.04% 152
2019
Q3 		$205K Sell
35,028
-1,474
-4% -$7.74K 0.15% 134
2019
Q2 		$178K Sell
36,502
-13
-0% -$63 0.14% 139
2019
Q1 		$188K Buy
36,515
+215
+0.6% +$1.15K 0.15% 142
2018
Q4 		$175K Sell
36,300
-1,147
-3% -$6.65K 0.16% 141
2018
Q3 		$256K Sell
37,447
-241
-0.6% -$1.72K 0.18% 144
2018
Q2 		$268K Sell
37,688
-176
-0.5% -$1.03K 0.19% 140
2018
Q1 		$193K Sell
37,864
-6
-0% -$39 0.14% 152
2017
Q4 		$293K Sell
37,870
-57,730
-60% -$443K 0.21% 139
2017
Q3 		$731K Sell
95,600
-4,145
-4% -$29.7K 0.51% 75
2017
Q2 		$742K Sell
99,745
-5,543
-5% -$40.8K 0.54% 75
2017
Q1 		$694K Buy
105,288
+63
+0.1% +$399 0.52% 74
2016
Q4 		$663K Sell
105,225
-15,887
-13% -$104K 0.48% 86
2016
Q3 		$942K Sell
121,112
-16,804
-12% -$147K 0.72% 53
2016
Q2 		$1.2M Sell
137,916
-14,439
-9% -$120K 0.9% 37
2016
Q1 		$1.15M Sell
152,355
-54,129
-26% -$362K 0.75% 52
2015
Q4 		$1.47M Sell
206,484
-48,318
-19% -$324K 0.61% 65
2015
Q3 		$1.46M Sell
254,802
-71,619
-22% -$483K 0.54% 63
2015
Q2 		$2.26M Sell
326,421
-84,369
-21% -$662K 0.52% 73
2015
Q1 		$3.24M Sell
410,790
-12,508
-3% -$206K 0.6% 67
2014
Q4 		$8.4M Sell
423,298
-6,397
-1% -$113K 1.53% 16
2014
Q3 		$7.35M Buy
429,695
+16,340
+4% +$312K 1.33% 25
2014
Q2 		$7.42M Sell
413,355
-19,230
-4% -$325K 1.18% 32
2014
Q1 		$7.29M Sell
432,585
-15,792
-4% -$263K 1.06% 44
2013
Q4 		$7.06M Buy
448,377
+16,686
+4% +$258K 0.98% 47
2013
Q3 		$7.27M Sell
431,691
-3,360
-0.8% -$57.1K 1.14% 41
2013
Q2 		$6.55M Buy
+435,051
New +$5.81M 1.16% 42

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 $6.73T AUM 46.02% 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

Ironwood Investment Management's RBBN Position: Q1 2026 in Review

Ironwood Investment Management reduced its Ribbon Communications (RBBN) stake by 1.5% in Q1 2026, selling an estimated $680 and leaving 18,066 shares worth $38.3K. The position accounts for 0.02% of the portfolio, ranked #178.

Ironwood Investment Management first reported a position in RBBN in Q2 2013 and has held it in 52 quarters since. The position peaked at $8.4M in Q4 2014. 150 funds tracked by Wall St. Rank hold RBBN as of Q1 2026.

  • Ironwood Investment Management held 18,066 shares of Ribbon Communications worth $38.3K as of Q1 2026.
  • Ironwood Investment Management sold 284 Ribbon Communications shares in Q1 2026, an estimated $680.
  • Ribbon Communications made up 0.02% of Ironwood Investment Management's portfolio in Q1 2026, its #178 holding.
  • Ironwood Investment Management first reported a position in Ribbon Communications in Q2 2013 and has held it in 52 quarters since.
  • Ironwood Investment Management's Ribbon Communications position peaked at $8.4M in Q4 2014.
  • 150 funds tracked by Wall St. Rank held Ribbon Communications as of Q1 2026.

Based on Ironwood Investment Management's 13F filing for Q1 2026, filed 15 May 2026.