Mariner
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Mariner’s Armstrong World Industries AWI Stock Holding History

Mariner’s Portfolio AWI Stock Details AWI Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$557K Sell
3,474
-22,202
-86% -$3.63M ﹤0.01% 2378
2026
Q1 		$4.23M Buy
25,676
+4,435
+21% +$811K ﹤0.01% 1125
2025
Q4 		$4.06M Buy
21,241
+3,938
+23% +$752K ﹤0.01% 1101
2025
Q3 		$3.39M Buy
17,303
+9,686
+127% +$1.8M ﹤0.01% 1122
2025
Q2 		$1.24M Buy
7,617
+3,095
+68% +$460K ﹤0.01% 1650
2025
Q1 		$637K Buy
4,522
+1,222
+37% +$180K ﹤0.01% 2005
2024
Q4 		$466K Buy
3,300
+228
+7% +$33.5K ﹤0.01% 2251
2024
Q3 		$404K Buy
3,072
+560
+22% +$69.2K ﹤0.01% 2320
2024
Q2 		$285K Sell
2,512
-260
-9% -$30.2K ﹤0.01% 2497
2024
Q1 		$344K Buy
2,772
+607
+28% +$67K ﹤0.01% 2323
2023
Q4 		$213K Buy
+2,165
New +$179K ﹤0.01% 2644
2019
Q3 		– Sell
-2,301
Closed -$224K – 709
2019
Q2 		$224K Sell
2,301
-296
-11% -$26.5K ﹤0.01% 1000
2019
Q1 		$206K Buy
+2,597
New +$181K ﹤0.01% 960

Other funds holding AWI

BlackRock
BlackRock New York $6.73T AUM 46.02% 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
LCOV
London Company of Virginia Richmond, Virginia $17.5B AUM 29.92% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Bank of Montreal
Bank of Montreal Toronto, Ontario, Canada $304B AUM 35.64% 1-Year Est. Return
Fuller & Thaler Asset Management
Fuller & Thaler Asset Management San Mateo, California $36.7B AUM 74.15% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $875B AUM 40.89% 1-Year Est. Return
ECU
Egerton Capital (UK) London, United Kingdom $10.4B AUM 25.66% 1-Year Est. Return

Mariner's AWI Position: Q2 2026 in Review

Mariner reduced its Armstrong World Industries (AWI) stake by 86% in Q2 2026, selling an estimated $3.63M and leaving 3,474 shares worth $557K. The position accounts for ﹤0.01% of the portfolio, ranked #2378.

Mariner first reported a position in AWI in Q1 2019 and has held it in 13 quarters since. The position peaked at $4.23M in Q1 2026. 478 funds tracked by Wall St. Rank hold AWI as of Q2 2026.

  • Mariner held 3,474 shares of Armstrong World Industries worth $557K as of Q2 2026.
  • Mariner sold 22,202 Armstrong World Industries shares in Q2 2026, an estimated $3.63M.
  • Armstrong World Industries made up ﹤0.01% of Mariner's portfolio in Q2 2026, its #2378 holding.
  • Mariner first reported a position in Armstrong World Industries in Q1 2019 and has held it in 13 quarters since.
  • Mariner's Armstrong World Industries position peaked at $4.23M in Q1 2026.
  • 478 funds tracked by Wall St. Rank held Armstrong World Industries as of Q2 2026.

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