William Blair Investment Management
MAR icon

William Blair Investment Management’s Marriott International MAR Stock Holding History

William Blair Investment Management’s Portfolio MAR Stock Details MAR Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$112M Buy
300,872
+216,241
+256% +$79.7M 0.34% 88
2026
Q1 		$27.7M Buy
+84,631
New +$27.8M 0.09% 203
2023
Q3 		– Sell
-398,969
Closed -$73.3M – 409
2023
Q2 		$73.3M Sell
398,969
-197,571
-33% -$34.3M 0.24% 116
2023
Q1 		$99M Sell
596,540
-58,920
-9% -$9.81M 0.35% 97
2022
Q4 		$97.6M Sell
655,460
-49,074
-7% -$7.56M 0.37% 92
2022
Q3 		$98.7M Sell
704,534
-393,425
-36% -$60.1M 0.39% 88
2022
Q2 		$149M Buy
1,097,959
+241,209
+28% +$39.9M 0.55% 63
2022
Q1 		$151M Buy
856,750
+122,135
+17% +$20.3M 0.45% 79
2021
Q4 		$121M Buy
734,615
+209,208
+40% +$32.9M 0.33% 100
2021
Q3 		$77.8M Buy
525,407
+36,895
+8% +$5.15M 0.22% 121
2021
Q2 		$66.7M Buy
488,512
+153,965
+46% +$22.2M 0.21% 131
2021
Q1 		$49.5M Buy
334,547
+108,936
+48% +$14.9M 0.16% 146
2020
Q4 		$29.8M Sell
225,611
-24,275
-10% -$2.77M 0.1% 170
2020
Q3 		$23.1M Sell
249,886
-4,811
-2% -$454K 0.09% 180
2020
Q2 		$21.8M Buy
+254,697
New +$22.1M 0.09% 183

Other funds holding MAR

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

William Blair Investment Management's MAR Position: Q2 2026 in Review

William Blair Investment Management increased its Marriott International (MAR) stake by 256% in Q2 2026, buying an estimated $79.7M and bringing the position to 300,872 shares worth $112M. The position accounts for 0.34% of the portfolio, ranked #88.

William Blair Investment Management first reported a position in MAR in Q2 2020 and has held it in 15 quarters since. The position peaked at $151M in Q1 2022. 1,745 funds tracked by Wall St. Rank hold MAR as of Q2 2026.

  • William Blair Investment Management held 300,872 shares of Marriott International worth $112M as of Q2 2026.
  • William Blair Investment Management bought 216,241 Marriott International shares in Q2 2026, an estimated $79.7M.
  • Marriott International made up 0.34% of William Blair Investment Management's portfolio in Q2 2026, its #88 holding.
  • William Blair Investment Management first reported a position in Marriott International in Q2 2020 and has held it in 15 quarters since.
  • William Blair Investment Management's Marriott International position peaked at $151M in Q1 2022.
  • 1,745 funds tracked by Wall St. Rank held Marriott International as of Q2 2026.

Based on William Blair Investment Management's 13F filing for Q2 2026, filed 12 Aug 2026.