Comerica Bank
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Comerica Bank’s Ribbon Communications RBBN Stock Holding History

Comerica Bank’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
2025
Q4 		$13.8K Buy
4,792
+1,051
+28% +$3.39K ﹤0.01% 3179
2025
Q3 		$14.2K Sell
3,741
-822
-18% -$3.23K ﹤0.01% 3178
2025
Q2 		$18.3K Buy
4,563
+443
+11% +$1.6K ﹤0.01% 3072
2025
Q1 		$16.1K Sell
4,120
-187
-4% -$788 ﹤0.01% 3064
2024
Q4 		$17.9K Sell
4,307
-1,549
-26% -$5.85K ﹤0.01% 3061
2024
Q3 		$19K Buy
5,856
+558
+11% +$1.81K ﹤0.01% 3042
2024
Q2 		$17.4K Sell
5,298
-202
-4% -$614 ﹤0.01% 3026
2024
Q1 		$17.6K Buy
5,500
+138
+3% +$420 ﹤0.01% 3060
2023
Q4 		$15.6K Buy
5,362
+193
+4% +$435 ﹤0.01% 3033
2023
Q3 		$13.9K Buy
+5,169
New +$15.1K ﹤0.01% 3118
2014
Q2 		– Sell
-3,827
Closed -$64K – 2191
2014
Q1 		$64K Sell
3,827
-183
-5% -$3.04K ﹤0.01% 2246
2013
Q4 		$63K Hold
4,010
– – ﹤0.01% 2221
2013
Q3 		$68K Hold
4,010
– – ﹤0.01% 2548
2013
Q2 		$60K Buy
+4,010
New +$53.5K ﹤0.01% 2237

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
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 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
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 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

Comerica Bank's RBBN Position: Q4 2025 in Review

Comerica Bank increased its Ribbon Communications (RBBN) stake by 28% in Q4 2025, buying an estimated $3.39K and bringing the position to 4,792 shares worth $13.8K. The position accounts for ﹤0.01% of the portfolio, ranked #3179.

Comerica Bank first reported a position in RBBN in Q2 2013 and has held it in 14 quarters since. The position peaked at $68K in Q3 2013. 153 funds tracked by Wall St. Rank hold RBBN as of Q4 2025.

  • Comerica Bank held 4,792 shares of Ribbon Communications worth $13.8K as of Q4 2025.
  • Comerica Bank bought 1,051 Ribbon Communications shares in Q4 2025, an estimated $3.39K.
  • Ribbon Communications made up ﹤0.01% of Comerica Bank's portfolio in Q4 2025, its #3179 holding.
  • Comerica Bank first reported a position in Ribbon Communications in Q2 2013 and has held it in 14 quarters since.
  • Comerica Bank's Ribbon Communications position peaked at $68K in Q3 2013.
  • 153 funds tracked by Wall St. Rank held Ribbon Communications as of Q4 2025.

Based on Comerica Bank's 13F filing for Q4 2025, filed 29 Jan 2026.