Janus Henderson Group
RBBN icon

Janus Henderson Group’s Ribbon Communications RBBN Stock Holding History

Janus Henderson Group’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 		– Sell
-35,625
Closed -$103K – 2452
2025
Q4 		$103K Hold
35,625
– – ﹤0.01% 2396
2025
Q3 		$136K Hold
35,625
– – ﹤0.01% 2377
2025
Q2 		$143K Hold
35,625
– – ﹤0.01% 2374
2025
Q1 		$144K Hold
35,625
– – ﹤0.01% 2425
2024
Q4 		$148K Hold
35,625
– – ﹤0.01% 2482
2024
Q3 		$116K Hold
35,625
– – ﹤0.01% 2503
2024
Q2 		$117K Sell
35,625
-726
-2% -$2.21K ﹤0.01% 2487
2024
Q1 		$117K Buy
36,351
+9
+0% +$27 ﹤0.01% 2500
2023
Q4 		$106K Sell
36,342
-115
-0.3% -$259 ﹤0.01% 2523
2023
Q3 		$97.5K Buy
36,457
+8
+0% +$23 ﹤0.01% 2521
2023
Q2 		$102K Buy
36,449
+268
+0.7% +$744 ﹤0.01% 2565
2023
Q1 		$124K Buy
36,181
+17,586
+95% +$64.3K ﹤0.01% 2594
2022
Q4 		$51.8K Sell
18,595
-18,595
-50% -$48.2K ﹤0.01% 2412
2022
Q3 		$82K Buy
37,190
+18,595
+100% +$58.9K ﹤0.01% 2497
2022
Q2 		$57K Sell
18,595
-439
-2% -$1.33K ﹤0.01% 2543
2022
Q1 		$59K Buy
19,034
+4
+0% +$16 ﹤0.01% 2615
2021
Q4 		$115K Buy
+19,030
New +$113K ﹤0.01% 2491

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

Janus Henderson Group's RBBN Position: Q1 2026 in Review

Janus Henderson Group sold out of Ribbon Communications (RBBN) in Q1 2026, closing a stake of 35,625 shares — an estimated $103K sold.

Janus Henderson Group first reported a position in RBBN in Q4 2021 and held it in 17 quarters. The position peaked at $148K in Q4 2024. 150 funds tracked by Wall St. Rank hold RBBN as of Q1 2026.

  • Janus Henderson Group reported no remaining Ribbon Communications position as of Q1 2026 after selling out during the quarter.
  • Janus Henderson Group sold 35,625 Ribbon Communications shares in Q1 2026, an estimated $103K.
  • Janus Henderson Group first reported a position in Ribbon Communications in Q4 2021 and held it in 17 quarters.
  • Janus Henderson Group's Ribbon Communications position peaked at $148K in Q4 2024.
  • 150 funds tracked by Wall St. Rank held Ribbon Communications as of Q1 2026.

Based on Janus Henderson Group's 13F filing for Q1 2026, filed 15 May 2026.