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Mattern Capital Management’s Watsco Inc WSO Stock Holding History

Mattern Capital Management’s Portfolio WSO Stock Details WSO Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$1.5M Sell
3,594
-20
-0.6% -$8.04K 0.17% 103
2026
Q1 		$1.31M Buy
3,614
+389
+12% +$151K 0.16% 107
2025
Q4 		$1.09M Buy
3,225
+1,073
+50% +$383K 0.13% 115
2025
Q3 		$870K Buy
2,152
+626
+41% +$268K 0.1% 125
2025
Q2 		$674K Buy
1,526
+308
+25% +$143K 0.08% 128
2025
Q1 		$619K Buy
1,218
+58
+5% +$28.6K 0.08% 123
2024
Q4 		$550K Buy
1,160
+51
+5% +$25.8K 0.07% 119
2024
Q3 		$545K Buy
1,109
+105
+10% +$50.5K 0.07% 110
2024
Q2 		$465K Buy
1,004
+185
+23% +$84.6K 0.06% 115
2024
Q1 		$354K Buy
+819
New +$329K 0.05% 127

Other funds holding WSO

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $717B AUM 35.42% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Charles Schwab
Charles Schwab San Francisco, California $751B AUM 38.74% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Kayne Anderson Rudnick Investment Management
Kayne Anderson Rudnick Investment Management Los Angeles, California $32.2B AUM 10.98% 1-Year Est. Return
Baillie Gifford & Co
Baillie Gifford & Co Edinburgh, United Kingdom $110B AUM 4.8% 1-Year Est. Return

Mattern Capital Management's WSO Position: Q2 2026 in Review

Mattern Capital Management reduced its Watsco Inc (WSO) stake by 0.55% in Q2 2026, selling an estimated $8.04K and leaving 3,594 shares worth $1.5M. The position accounts for 0.17% of the portfolio, ranked #103.

Mattern Capital Management first reported a position in WSO in Q1 2024 and has held it in 10 quarters since. 782 funds tracked by Wall St. Rank hold WSO as of Q2 2026.

  • Mattern Capital Management held 3,594 shares of Watsco Inc worth $1.5M as of Q2 2026.
  • Mattern Capital Management sold 20 Watsco Inc shares in Q2 2026, an estimated $8.04K.
  • Watsco Inc made up 0.17% of Mattern Capital Management's portfolio in Q2 2026, its #103 holding.
  • Mattern Capital Management first reported a position in Watsco Inc in Q1 2024 and has held it in 10 quarters since.
  • 782 funds tracked by Wall St. Rank held Watsco Inc as of Q2 2026.

Based on Mattern Capital Management's 13F filing for Q2 2026, filed 24 Jul 2026.