William Blair & Company
RBBN icon

William Blair & Company’s Ribbon Communications RBBN Stock Holding History

William Blair & Company’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
2019
Q3 		– Sell
-39,928
Closed -$195K – 1741
2019
Q2 		$195K Sell
39,928
-1,336
-3% -$6.52K ﹤0.01% 1318
2019
Q1 		$213K Sell
41,264
-1,000
-2% -$5.36K ﹤0.01% 1280
2018
Q4 		$204K Sell
42,264
-4,359
-9% -$25.3K ﹤0.01% 1226
2018
Q3 		$318K Hold
46,623
– – ﹤0.01% 1120
2018
Q2 		$332K Sell
46,623
-9,065
-16% -$53.1K ﹤0.01% 1074
2018
Q1 		$284K Buy
55,688
+4,894
+10% +$31.7K ﹤0.01% 1089
2017
Q4 		$393K Buy
+50,794
New +$390K ﹤0.01% 1045
2017
Q3 		– Sell
-10,200
Closed -$76K – 1484
2017
Q2 		$76K Hold
10,200
– – ﹤0.01% 1444
2017
Q1 		$60K Sell
10,200
-4,915
-33% -$31.1K ﹤0.01% 1322
2016
Q4 		$95K Sell
15,115
-12,114
-44% -$79.6K ﹤0.01% 1220
2016
Q3 		$212K Buy
27,229
+8,000
+42% +$69.9K ﹤0.01% 1142
2016
Q2 		$167K Sell
19,229
-12,000
-38% -$99.9K ﹤0.01% 1138
2016
Q1 		$235K Hold
31,229
– – ﹤0.01% 1011
2015
Q4 		$222K Hold
31,229
– – ﹤0.01% 1053
2015
Q3 		$178K Hold
31,229
– – ﹤0.01% 1297
2015
Q2 		$216K Hold
31,229
– – ﹤0.01% 2038
2015
Q1 		$245K Buy
31,229
+1,429
+5% +$23.5K ﹤0.01% 1948
2014
Q4 		$591K Buy
29,800
+377
+1% +$6.67K ﹤0.01% 1644
2014
Q3 		$503K Sell
29,423
-318
-1% -$6.07K ﹤0.01% 1685
2014
Q2 		$534K Hold
29,741
– – ﹤0.01% 1649
2014
Q1 		$500K Buy
29,741
+1,491
+5% +$24.8K ﹤0.01% 1618
2013
Q4 		$444K Buy
28,250
+11,600
+70% +$179K ﹤0.01% 1620
2013
Q3 		$280K Buy
16,650
+12,000
+258% +$204K ﹤0.01% 1749
2013
Q2 		$70K Buy
+4,650
New +$62.1K ﹤0.01% 1905

Other funds holding RBBN

JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 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
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
PCMI
Paradigm Capital Management Inc Albany, New York $2.61B AUM 78.58% 1-Year Est. Return
Neuberger Berman Group
Neuberger Berman Group New York $131B AUM 28.36% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
NC
Nokomis Capital Dallas, Texas $349M AUM 75.66% 1-Year Est. Return
RA
Royce & Associates New York $10.1B AUM 42.88% 1-Year Est. Return
CS
Central Securities New York $1.21B AUM 19.91% 1-Year Est. Return

William Blair & Company's RBBN Position: Q3 2019 in Review

William Blair & Company sold out of Ribbon Communications (RBBN) in Q3 2019, closing a stake of 39,928 shares — an estimated $195K sold.

William Blair & Company first reported a position in RBBN in Q2 2013 and held it in 24 quarters. The position peaked at $591K in Q4 2014. 123 funds tracked by Wall St. Rank hold RBBN as of Q3 2019.

  • William Blair & Company reported no remaining Ribbon Communications position as of Q3 2019 after selling out during the quarter.
  • William Blair & Company sold 39,928 Ribbon Communications shares in Q3 2019, an estimated $195K.
  • William Blair & Company first reported a position in Ribbon Communications in Q2 2013 and held it in 24 quarters.
  • William Blair & Company's Ribbon Communications position peaked at $591K in Q4 2014.
  • 123 funds tracked by Wall St. Rank held Ribbon Communications as of Q3 2019.

Based on William Blair & Company's 13F filing for Q3 2019, filed 12 Nov 2019.