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Bank of Marin’s T-Mobile US TMUS Stock Holding History

Bank of Marin’s Portfolio TMUS Stock Details TMUS Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q3 		– Sell
-2,089
Closed -$498K – 134
2025
Q2 		$498K Buy
+2,089
New +$510K 0.38% 79
2025
Q1 		– Sell
-3,250
Closed -$717K – 103
2024
Q4 		$717K Sell
3,250
-71
-2% -$16.1K 0.57% 54
2024
Q3 		$685K Sell
3,321
-4
-0.1% -$766 0.55% 59
2024
Q2 		$586K Buy
3,325
+24
+0.7% +$4.03K 0.5% 64
2024
Q1 		$539K Buy
3,301
+220
+7% +$35.8K 0.47% 73
2023
Q4 		$494K Sell
3,081
-296
-9% -$43.8K 0.44% 75
2023
Q3 		$473K Sell
3,377
-333
-9% -$46.1K 0.46% 72
2023
Q2 		$515K Buy
3,710
+514
+16% +$72.1K 0.48% 73
2023
Q1 		$463K Buy
+3,196
New +$463K 0.44% 77

Other funds holding TMUS

SoftBank Group
SoftBank Group Tokyo, Japan $11.4B AUM 27.91% 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
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $427B AUM 29.17% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Bank of Marin's TMUS Position: Q3 2025 in Review

Bank of Marin sold out of T-Mobile US (TMUS) in Q3 2025, closing a stake of 2,089 shares — an estimated $498K sold.

Bank of Marin first reported a position in TMUS in Q1 2023 and held it in 9 quarters. The position peaked at $717K in Q4 2024. 1,719 funds tracked by Wall St. Rank hold TMUS as of Q3 2025.

  • Bank of Marin reported no remaining T-Mobile US position as of Q3 2025 after selling out during the quarter.
  • Bank of Marin sold 2,089 T-Mobile US shares in Q3 2025, an estimated $498K.
  • Bank of Marin first reported a position in T-Mobile US in Q1 2023 and held it in 9 quarters.
  • Bank of Marin's T-Mobile US position peaked at $717K in Q4 2024.
  • 1,719 funds tracked by Wall St. Rank held T-Mobile US as of Q3 2025.

Based on Bank of Marin's 13F filing for Q3 2025, filed 5 Nov 2025.