Mariner
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Mariner’s American Express Global Business Travel GBTG Stock Holding History

Mariner’s Portfolio GBTG Stock Details GBTG Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$357K Buy
37,974
+26,779
+239% +$217K ﹤0.01% 2709
2026
Q1 		$62.5K Sell
11,195
-2,639
-19% -$16.4K ﹤0.01% 3400
2025
Q4 		$106K Buy
13,834
+1,437
+12% +$11.1K ﹤0.01% 3321
2025
Q3 		$100K Buy
+12,397
New +$91.8K ﹤0.01% 3358
2025
Q2 		– Sell
-37,592
Closed -$273K – 3553
2025
Q1 		$273K Buy
37,592
+15,515
+70% +$131K ﹤0.01% 2715
2024
Q4 		$205K Buy
22,077
+2,302
+12% +$19.6K ﹤0.01% 2982
2024
Q3 		$152K Buy
19,775
+1,725
+10% +$12K ﹤0.01% 3004
2024
Q2 		$119K Buy
18,050
+6,975
+63% +$42.8K ﹤0.01% 2920
2024
Q1 		$66.6K Buy
+11,075
New +$64.8K ﹤0.01% 2994
2023
Q4 		– Sell
-11,780
Closed -$64.8K – 3100
2023
Q3 		$64.8K Buy
+11,780
New +$75.9K ﹤0.01% 2741

Other funds holding GBTG

AE
American Express New York $1.48B AUM 49.05% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
AMH
Apollo Management Holdings New York $8.94B AUM 120.19% 1-Year Est. Return
RCM
Redwood Capital Management New York $927M AUM 153.64% 1-Year Est. Return
NAM
Nexpoint Asset Management Dallas, Texas $1.5B AUM 83.46% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
GCL
Glazer Capital LLC New York $4.07B AUM 78.71% 1-Year Est. Return
PAMP
Polar Asset Management Partners Toronto, Ontario, Canada $6.07B AUM 34.81% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Mariner's GBTG Position: Q2 2026 in Review

Mariner increased its American Express Global Business Travel (GBTG) stake by 239% in Q2 2026, buying an estimated $217K and bringing the position to 37,974 shares worth $357K. The position accounts for ﹤0.01% of the portfolio, ranked #2709.

Mariner first reported a position in GBTG in Q3 2023 and has held it in 10 quarters since. 192 funds tracked by Wall St. Rank hold GBTG as of Q2 2026.

  • Mariner held 37,974 shares of American Express Global Business Travel worth $357K as of Q2 2026.
  • Mariner bought 26,779 American Express Global Business Travel shares in Q2 2026, an estimated $217K.
  • American Express Global Business Travel made up ﹤0.01% of Mariner's portfolio in Q2 2026, its #2709 holding.
  • Mariner first reported a position in American Express Global Business Travel in Q3 2023 and has held it in 10 quarters since.
  • 192 funds tracked by Wall St. Rank held American Express Global Business Travel as of Q2 2026.

Based on Mariner's 13F filing for Q2 2026, filed 13 Aug 2026.