SEI Investments’s Ribbon Communications RBBN Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$183K Sell
78,348
-3,358
-4% -$8.86K ﹤0.01% 3064
2026
Q1
$173K Sell
81,706
-58,341
-42% -$140K ﹤0.01% 3000
2025
Q4
$403K Buy
140,047
+43,775
+45% +$141K ﹤0.01% 2606
2025
Q3
$366K Buy
96,272
+1,517
+2% +$5.96K ﹤0.01% 2378
2025
Q2
$380K Sell
94,755
-1,215
-1% -$4.38K ﹤0.01% 2304
2025
Q1
$376K Buy
95,970
+15,880
+20% +$66.9K ﹤0.01% 2251
2024
Q4
$333K Sell
80,090
-277
-0.3% -$1.05K ﹤0.01% 2323
2024
Q3
$261K Buy
80,367
+2,507
+3% +$8.13K ﹤0.01% 2398
2024
Q2
$256K Buy
77,860
+2,228
+3% +$6.78K ﹤0.01% 2396
2024
Q1
$242K Buy
75,632
+14,831
+24% +$45.1K ﹤0.01% 2379
2023
Q4
$176K Sell
60,801
-14,056
-19% -$31.7K ﹤0.01% 2453
2023
Q3
$201K Buy
74,857
+21,103
+39% +$61.6K ﹤0.01% 2433
2023
Q2
$150K Buy
53,754
+27,826
+107% +$77.2K ﹤0.01% 2516
2023
Q1
$88.7K Buy
25,928
+5,371
+26% +$19.6K ﹤0.01% 2587
2022
Q4
$57.5K Sell
20,557
-1,666
-7% -$4.32K ﹤0.01% 2484
2022
Q3
$49K Sell
22,223
-2,100
-9% -$6.65K ﹤0.01% 2624
2022
Q2
$53K Buy
24,323
+1,265
+5% +$3.82K ﹤0.01% 2605
2022
Q1
$49K Buy
23,058
+4,138
+22% +$17K ﹤0.01% 2551
2021
Q4
$99K Buy
18,920
+2,895
+18% +$17.2K ﹤0.01% 2539
2021
Q3
$83K Buy
16,025
+378
+2% +$2.55K ﹤0.01% 2515
2021
Q2
$112K Buy
15,647
+3,705
+31% +$28.4K ﹤0.01% 2505
2021
Q1
$83K Hold
11,942
﹤0.01% 2448
2020
Q4
$83K Sell
11,942
-2,498
-17% -$13.2K ﹤0.01% 2421
2020
Q3
$54K Sell
14,440
-5,310
-27% -$22.4K ﹤0.01% 2371
2020
Q2
$73K Buy
19,750
+435
+2% +$1.58K ﹤0.01% 2346
2020
Q1
$53K Buy
19,315
+3,741
+24% +$11.2K ﹤0.01% 2294
2019
Q4
$43K Buy
15,574
+3,666
+31% +$14.6K ﹤0.01% 2366
2019
Q3
$66K Sell
11,908
-507
-4% -$2.66K ﹤0.01% 2328
2019
Q2
$58K Sell
12,415
-62,874
-84% -$307K ﹤0.01% 2348
2019
Q1
$379K Buy
75,289
+68,408
+994% +$366K ﹤0.01% 2025
2018
Q4
$26K Sell
6,881
-1,504
-18% -$8.72K ﹤0.01% 2461
2018
Q3
$55K Sell
8,385
-3,518
-30% -$25K ﹤0.01% 2209
2018
Q2
$85K Buy
11,903
+2,445
+26% +$14.3K ﹤0.01% 2334
2018
Q1
$48K Buy
+9,458
New +$61.2K ﹤0.01% 2368
2017
Q4
Sell
-11,064
Closed -$85K 3454
2017
Q3
$85K Buy
11,064
+3,038
+38% +$21.7K ﹤0.01% 2132
2017
Q2
$60K Buy
8,026
+1,812
+29% +$13.3K ﹤0.01% 2211
2017
Q1
$41K Sell
6,214
-463
-7% -$2.93K ﹤0.01% 2180
2016
Q4
$42K Sell
6,677
-953
-12% -$6.26K ﹤0.01% 2180
2016
Q3
$59K Buy
7,630
+399
+6% +$3.49K ﹤0.01% 2022
2016
Q2
$63K Buy
7,231
+1,090
+18% +$9.08K ﹤0.01% 1875
2016
Q1
$47K Buy
6,141
+209
+4% +$1.4K ﹤0.01% 1863
2015
Q4
$43K Buy
5,932
+5,325
+877% +$35.7K ﹤0.01% 1931
2015
Q3
$3K Hold
607
﹤0.01% 2328
2015
Q2
$4K Sell
607
-61,418
-99% -$482K ﹤0.01% 2034
2015
Q1
$489K Hold
62,025
﹤0.01% 1184
2014
Q4
$1.23M Buy
+62,025
New +$1.1M 0.01% 879

Other funds holding RBBN

SEI Investments's RBBN Position: Q2 2026 in Review

SEI Investments reduced its Ribbon Communications (RBBN) stake by 4.1% in Q2 2026, selling an estimated $8.86K and leaving 78,348 shares worth $183K. The position accounts for ﹤0.01% of the portfolio, ranked #3064.

SEI Investments first reported a position in RBBN in Q4 2014 and has held it in 46 quarters since. The position peaked at $1.23M in Q4 2014. 160 funds tracked by Wall St. Rank hold RBBN as of Q2 2026.

  • SEI Investments held 78,348 shares of Ribbon Communications worth $183K as of Q2 2026.
  • SEI Investments sold 3,358 Ribbon Communications shares in Q2 2026, an estimated $8.86K.
  • Ribbon Communications made up ﹤0.01% of SEI Investments's portfolio in Q2 2026, its #3064 holding.
  • SEI Investments first reported a position in Ribbon Communications in Q4 2014 and has held it in 46 quarters since.
  • SEI Investments's Ribbon Communications position peaked at $1.23M in Q4 2014.
  • 160 funds tracked by Wall St. Rank held Ribbon Communications as of Q2 2026.

Based on SEI Investments's 13F filing for Q2 2026, filed 14 Aug 2026.