William Blair Investment Management
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William Blair Investment Management’s OneSpaWorld OSW Stock Holding History

William Blair Investment Management’s Portfolio OSW Stock Details OSW Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		– Sell
-928,271
Closed -$19.6M – 445
2025
Q3 		$19.6M Sell
928,271
-467,550
-33% -$10.2M 0.05% 284
2025
Q2 		$28.5M Sell
1,395,821
-75,911
-5% -$1.39M 0.08% 228
2025
Q1 		$24.7M Sell
1,471,732
-330,367
-18% -$6.42M 0.07% 263
2024
Q4 		$35.9M Buy
1,802,099
+103,799
+6% +$1.93M 0.09% 203
2024
Q3 		$28M Buy
1,698,300
+110,148
+7% +$1.74M 0.07% 251
2024
Q2 		$24.4M Buy
1,588,152
+117,241
+8% +$1.67M 0.06% 273
2024
Q1 		$19.5M Buy
1,470,911
+8,389
+0.6% +$113K 0.05% 304
2023
Q4 		$20.6M Buy
1,462,522
+217,847
+18% +$2.53M 0.06% 288
2023
Q3 		$14M Buy
1,244,675
+898,415
+259% +$10.5M 0.05% 305
2023
Q2 		$4.19M Buy
+346,260
New +$4M 0.01% 343
2020
Q1 		– Sell
-1,212,480
Closed -$20.4M – 370
2019
Q4 		$20.4M Buy
1,212,480
+195,240
+19% +$3.07M 0.08% 197
2019
Q3 		$15.8M Sell
1,017,240
-251,116
-20% -$3.94M 0.07% 244
2019
Q2 		$19.7M Sell
1,268,356
-24,361
-2% -$336K 0.08% 202
2019
Q1 		$17.7M Buy
+1,292,717
New +$16.8M 0.07% 235

Other funds holding OSW

AI
Ariel Investments Chicago, Illinois $10B AUM 42.59% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Victory Capital Management
Victory Capital Management San Antonio, Texas $178B AUM 37.23% 1-Year Est. Return
CCM
Channing Capital Management Chicago, Illinois $4.34B AUM 37.08% 1-Year Est. Return
First Trust Advisors
First Trust Advisors Wheaton, Illinois $170B AUM 46.21% 1-Year Est. Return
NAMI
Nomura Asset Management International Philadelphia, Pennsylvania $66.6B AUM
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

William Blair Investment Management's OSW Position: Q4 2025 in Review

William Blair Investment Management sold out of OneSpaWorld (OSW) in Q4 2025, closing a stake of 928,271 shares — an estimated $19.6M sold.

William Blair Investment Management first reported a position in OSW in Q1 2019 and held it in 14 quarters. The position peaked at $35.9M in Q4 2024. 215 funds tracked by Wall St. Rank hold OSW as of Q4 2025.

  • William Blair Investment Management reported no remaining OneSpaWorld position as of Q4 2025 after selling out during the quarter.
  • William Blair Investment Management sold 928,271 OneSpaWorld shares in Q4 2025, an estimated $19.6M.
  • William Blair Investment Management first reported a position in OneSpaWorld in Q1 2019 and held it in 14 quarters.
  • William Blair Investment Management's OneSpaWorld position peaked at $35.9M in Q4 2024.
  • 215 funds tracked by Wall St. Rank held OneSpaWorld as of Q4 2025.

Based on William Blair Investment Management's 13F filing for Q4 2025, filed 9 Feb 2026.