WSOWatsco, Inc.

$314.47

Who owns WSO

745 institutions reported holding WSO for 2026Q1, together 101% of the company, fewer than the 749 a quarter earlier.

745

Institutions reporting a position · as of 2026Q1 · down from 749 the quarter before

Shares held by institutions
38.2M

Shares held by institutions · 101% of the company · long US equity positions only, as reported on Form 13F

Reported value
$13.9B

Reported value · at 2026-03-31 prices, not today's

Top 5 holders
39%

Top 5 holders · of the whole company, between five filers

Details
Reporting quarter2026-03-31
2026Q1
Quarters on record
52
New positions
91
Positions exited
99
Added to
262
Reduced
224
Top 10 holdersof the company
55%
Institutional ownership by quarter, 2013Q2 to 2026Q1
QuarterFilersSharesReported value
2026Q174538.2M$13.9B
2025Q474937.7M$12.6B
2025Q376635.9M$14.5B
2025Q278934.5M$15.3B
2025Q181835.1M$17.8B
2024Q480435.1M$16.6B
2024Q377335.5M$17.4B
2024Q276435.9M$16.6B
2024Q173136.1M$15.6B
2023Q471335.6M$15.2B
2023Q366536.1M$13.6B
2023Q266035.4M$13.5B
2023Q160034.5M$11.0B
2022Q455734.1M$8.50B
2022Q353033.4M$8.59B
2022Q250632.4M$7.74B
Largest reported holders, 2026Q1
HolderShares% of companyValue
BlackRock Inc.4.1M11%$1.49B
VANGUARD GROUP INC3.6M9.4%$1.31B
Capital International Investors3.5M9.2%$1.26B
Capital Research Global Investors1.9M5.0%$691M
FMR LLC1.9M5.0%$688M
Charles Schwab Trust Co1.3M3.5%$487M
KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC1.3M3.5%$484M
STATE STREET CORP1.3M3.4%$463M
BAILLIE GIFFORD & CO1.1M3.0%$414M
MORGAN STANLEY0.9M2.3%$324M

SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold.

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