Teacher Retirement System of Texas
RBBN icon

Teacher Retirement System of Texas’s Ribbon Communications RBBN Stock Holding History

Teacher Retirement System of Texas’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 		– Sell
-12,441
Closed -$47.3K – 1922
2025
Q3 		$47.3K Sell
12,441
-59,581
-83% -$234K ﹤0.01% 2018
2025
Q2 		$289K Buy
72,022
+19,013
+36% +$68.5K ﹤0.01% 1782
2025
Q1 		$208K Buy
+53,009
New +$223K ﹤0.01% 1870
2022
Q4 		– Sell
-10,855
Closed -$24K – 2175
2022
Q3 		$24K Sell
10,855
-4,010
-27% -$12.7K ﹤0.01% 2170
2022
Q2 		$45K Sell
14,865
-4,961
-25% -$15K ﹤0.01% 1917
2022
Q1 		$61K Buy
19,826
+1,247
+7% +$5.11K ﹤0.01% 2131
2021
Q4 		$112K Buy
18,579
+3,353
+22% +$19.9K ﹤0.01% 2114
2021
Q3 		$91K Buy
+15,226
New +$103K ﹤0.01% 1997
2018
Q3 		– Sell
-10,368
Closed -$74K – 1728
2018
Q2 		$74K Sell
10,368
-967
-9% -$5.67K ﹤0.01% 1909
2018
Q1 		$58K Sell
11,335
-2,919
-20% -$18.9K ﹤0.01% 1925
2017
Q4 		$110K Buy
+14,254
New +$109K ﹤0.01% 2201
2016
Q3 		– Sell
-6,918
Closed -$60K – 1879
2016
Q2 		$60K Buy
6,918
+1,375
+25% +$11.5K ﹤0.01% 2127
2016
Q1 		$42K Buy
5,543
+1,458
+36% +$9.74K ﹤0.01% 2242
2015
Q4 		$29K Sell
4,085
-1,386
-25% -$9.3K ﹤0.01% 2352
2015
Q3 		$31K Buy
5,471
+3,773
+222% +$25.4K ﹤0.01% 2333
2015
Q2 		$12K Buy
1,698
+350
+26% +$2.75K ﹤0.01% 2360
2015
Q1 		$11K Buy
1,348
+10
+0.7% +$165 ﹤0.01% 2286
2014
Q4 		$27K Sell
1,338
-246
-16% -$4.35K ﹤0.01% 1740
2014
Q3 		$27K Sell
1,584
-53
-3% -$1.01K ﹤0.01% 1657
2014
Q2 		$29K Buy
1,637
+80
+5% +$1.35K ﹤0.01% 1743
2014
Q1 		$26K Sell
1,557
-32
-2% -$532 ﹤0.01% 1614
2013
Q4 		$25K Sell
1,589
-3,665
-70% -$56.6K ﹤0.01% 1650
2013
Q3 		$89K Buy
5,254
+2,386
+83% +$40.5K ﹤0.01% 1791
2013
Q2 		$43K Buy
+2,868
New +$38.3K ﹤0.01% 1804

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 $6.73T AUM 46.02% 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 $3.37T AUM 44.26% 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

Teacher Retirement System of Texas's RBBN Position: Q4 2025 in Review

Teacher Retirement System of Texas sold out of Ribbon Communications (RBBN) in Q4 2025, closing a stake of 12,441 shares — an estimated $47.3K sold.

Teacher Retirement System of Texas first reported a position in RBBN in Q2 2013 and held it in 24 quarters. The position peaked at $289K in Q2 2025. 153 funds tracked by Wall St. Rank hold RBBN as of Q4 2025.

  • Teacher Retirement System of Texas reported no remaining Ribbon Communications position as of Q4 2025 after selling out during the quarter.
  • Teacher Retirement System of Texas sold 12,441 Ribbon Communications shares in Q4 2025, an estimated $47.3K.
  • Teacher Retirement System of Texas first reported a position in Ribbon Communications in Q2 2013 and held it in 24 quarters.
  • Teacher Retirement System of Texas's Ribbon Communications position peaked at $289K in Q2 2025.
  • 153 funds tracked by Wall St. Rank held Ribbon Communications as of Q4 2025.

Based on Teacher Retirement System of Texas's 13F filing for Q4 2025, filed 28 Jan 2026.