KCM
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Kennedy Capital Management’s Ribbon Communications RBBN Stock Holding History

Kennedy Capital 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 		– Sell
-710,703
Closed -$2.05M – 568
2025
Q4 		$2.05M Buy
+710,703
New +$2.29M 0.04% 423
2023
Q4 		– Sell
-309,625
Closed -$830K – 713
2023
Q3 		$830K Hold
309,625
– – 0.02% 583
2023
Q2 		$864K Hold
309,625
– – 0.02% 565
2023
Q1 		$1.06M Hold
309,625
– – 0.03% 483
2022
Q4 		$864K Buy
+309,625
New +$802K 0.02% 505
2019
Q4 		– Sell
-643,935
Closed -$3.76M – 723
2019
Q3 		$3.76M Sell
643,935
-93,318
-13% -$490K 0.09% 410
2019
Q2 		$3.6M Buy
737,253
+342,249
+87% +$1.67M 0.09% 428
2019
Q1 		$2.03M Buy
+395,004
New +$2.12M 0.05% 537
2016
Q2 		– Sell
-336,910
Closed -$2.54M – 740
2016
Q1 		$2.54M Sell
336,910
-8,202
-2% -$54.8K 0.05% 541
2015
Q4 		$2.46M Sell
345,112
-1,225
-0.4% -$8.22K 0.05% 540
2015
Q3 		$1.98M Sell
346,337
-1,271
-0.4% -$8.57K 0.04% 570
2015
Q2 		$2.4M Sell
347,608
-2,468
-0.7% -$19.4K 0.04% 562
2015
Q1 		$2.76M Buy
350,076
+19,609
+6% +$323K 0.05% 526
2014
Q4 		$6.56M Buy
330,467
+19,512
+6% +$345K 0.12% 312
2014
Q3 		$5.32M Buy
310,955
+77,095
+33% +$1.47M 0.1% 352
2014
Q2 		$4.2M Sell
233,860
-142
-0.1% -$2.4K 0.08% 415
2014
Q1 		$3.94M Sell
234,002
-7,010
-3% -$117K 0.07% 420
2013
Q4 		$3.8M Sell
241,012
-4,967
-2% -$76.7K 0.07% 438
2013
Q3 		$4.14M Sell
245,979
-2,486
-1% -$42.2K 0.08% 413
2013
Q2 		$3.74M Buy
+248,465
New +$3.32M 0.08% 424

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

Kennedy Capital Management's RBBN Position: Q1 2026 in Review

Kennedy Capital Management sold out of Ribbon Communications (RBBN) in Q1 2026, closing a stake of 710,703 shares — an estimated $2.05M sold.

Kennedy Capital Management first reported a position in RBBN in Q2 2013 and held it in 20 quarters. The position peaked at $6.56M in Q4 2014. 150 funds tracked by Wall St. Rank hold RBBN as of Q1 2026.

  • Kennedy Capital Management reported no remaining Ribbon Communications position as of Q1 2026 after selling out during the quarter.
  • Kennedy Capital Management sold 710,703 Ribbon Communications shares in Q1 2026, an estimated $2.05M.
  • Kennedy Capital Management first reported a position in Ribbon Communications in Q2 2013 and held it in 20 quarters.
  • Kennedy Capital Management's Ribbon Communications position peaked at $6.56M in Q4 2014.
  • 150 funds tracked by Wall St. Rank held Ribbon Communications as of Q1 2026.

Based on Kennedy Capital Management's 13F filing for Q1 2026, filed 13 May 2026.