Martingale Asset Management’s Telephone and Data Systems TDS Stock Holding History

Martingale Asset Management’s Portfolio TDS Stock Details TDS Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$782K	Sell	21,118 -2,400	-10%	-$101K	0.02%	578
2026 Q1	$990K	Sell	23,518 -3,200	-12%	-$141K	0.02%	494
2025 Q4	$1.1M	Buy	26,718 +400	+2%	+$15.6K	0.03%	459
2025 Q3	$1.03M	Buy	26,318 +1,034	+4%	+$39.8K	0.03%	469
2025 Q2	$900K	Sell	25,284 -13,823	-35%	-$485K	0.02%	486
2025 Q1	$1.52M	Buy	39,107 +4,161	+12%	+$150K	0.04%	369
2024 Q4	$1.19M	Buy	+34,946	New	+$1.06M	0.03%	432
2022 Q4	–	Sell	-16,003	Closed	-$223K	–	885
2022 Q3	$223K	Buy	+16,003	New	+$254K	﹤0.01%	765
2019 Q3	–	Sell	-62,684	Closed	-$1.91M	–	1052
2019 Q2	$1.91M	Sell	62,684 -13,200	-17%	-$412K	0.02%	605
2019 Q1	$2.33M	Buy	75,884 +26,004	+52%	+$885K	0.03%	566
2018 Q4	$1.62M	Buy	+49,880	New	+$1.65M	0.02%	592
2018 Q3	–	Sell	-35,733	Closed	-$980K	–	1010
2018 Q2	$980K	Sell	35,733 -150,907	-81%	-$4.09M	0.01%	750
2018 Q1	$5.23M	Sell	186,640 -211,992	-53%	-$5.76M	0.07%	285
2017 Q4	$11.1M	Buy	398,632 +8,530	+2%	+$234K	0.15%	173
2017 Q3	$10.9M	Buy	+390,102	New	+$11M	0.15%	170
2017 Q2	–	Sell	-32,028	Closed	-$850K	–	992
2017 Q1	$850K	Sell	32,028 -127,425	-80%	-$3.65M	0.01%	748
2016 Q4	$4.6M	Sell	159,453 -23,000	-13%	-$627K	0.06%	335
2016 Q3	$4.96M	Sell	182,453 -95,849	-34%	-$2.79M	0.07%	276
2016 Q2	$8.26M	Buy	278,302 +40,676	+17%	+$1.17M	0.14%	203
2016 Q1	$7.15M	Buy	237,626 +192,119	+422%	+$4.85M	0.14%	201
2015 Q4	$1.18M	Buy	45,507 +14,210	+45%	+$388K	0.03%	429
2015 Q3	$782K	Buy	+31,297	New	+$879K	0.02%	549

Other funds holding TDS

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Third Point New York $4.68B AUM 37.3% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

CCM

Carronade Capital Management Darien, Connecticut $5.77B AUM 89.67% 1-Year Est. Return

OCM

Oaktree Capital Management Los Angeles, California $7.21B AUM 45.97% 1-Year Est. Return

American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Martingale Asset Management's TDS Position: Q2 2026 in Review

Martingale Asset Management reduced its Telephone and Data Systems (TDS) stake by 10% in Q2 2026, selling an estimated $101K and leaving 21,118 shares worth $782K. The position accounts for 0.02% of the portfolio, ranked #578.

Martingale Asset Management first reported a position in TDS in Q3 2015 and has held it in 22 quarters since. The position peaked at $11.1M in Q4 2017. 350 funds tracked by Wall St. Rank hold TDS as of Q2 2026.

Martingale Asset Management held 21,118 shares of Telephone and Data Systems worth $782K as of Q2 2026.
Martingale Asset Management sold 2,400 Telephone and Data Systems shares in Q2 2026, an estimated $101K.
Telephone and Data Systems made up 0.02% of Martingale Asset Management's portfolio in Q2 2026, its #578 holding.
Martingale Asset Management first reported a position in Telephone and Data Systems in Q3 2015 and has held it in 22 quarters since.
Martingale Asset Management's Telephone and Data Systems position peaked at $11.1M in Q4 2017.
350 funds tracked by Wall St. Rank held Telephone and Data Systems as of Q2 2026.

Based on Martingale Asset Management's 13F filing for Q2 2026, filed 13 Aug 2026.