Mariner
PLUG icon

Mariner’s Plug Power PLUG Stock Holding History

Mariner’s Portfolio PLUG Stock Details PLUG Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$895K Buy
330,150
+39,603
+14% +$124K ﹤0.01% 2032
2026
Q1 		$657K Buy
290,547
+33,590
+13% +$72.9K ﹤0.01% 2279
2025
Q4 		$506K Buy
256,957
+32,941
+15% +$86K ﹤0.01% 2439
2025
Q3 		$522K Buy
224,016
+68,513
+44% +$116K ﹤0.01% 2393
2025
Q2 		$232K Sell
155,503
-8,851
-5% -$8.83K ﹤0.01% 2931
2025
Q1 		$222K Sell
164,354
-13,485
-8% -$25.6K ﹤0.01% 2916
2024
Q4 		$379K Buy
177,839
+40,710
+30% +$88.8K ﹤0.01% 2415
2024
Q3 		$310K Buy
137,129
+11,141
+9% +$25K ﹤0.01% 2541
2024
Q2 		$294K Buy
125,988
+57,581
+84% +$165K ﹤0.01% 2466
2024
Q1 		$235K Sell
68,407
-44,153
-39% -$164K ﹤0.01% 2635
2023
Q4 		$507K Buy
112,560
+5,517
+5% +$28.9K ﹤0.01% 1925
2023
Q3 		$813K Buy
107,043
+12,167
+13% +$119K ﹤0.01% 1444
2023
Q2 		$974K Buy
94,876
+8,352
+10% +$76K ﹤0.01% 1329
2023
Q1 		$1.01M Buy
86,524
+17,598
+26% +$252K ﹤0.01% 1268
2022
Q4 		$853K Buy
68,926
+13,318
+24% +$212K ﹤0.01% 1323
2022
Q3 		$1.17M Buy
55,608
+5,298
+11% +$126K ﹤0.01% 985
2022
Q2 		$834K Sell
50,310
-4,392
-8% -$87.1K ﹤0.01% 969
2022
Q1 		$1.56M Buy
54,702
+30,364
+125% +$724K 0.01% 796
2021
Q4 		$687K Buy
24,338
+14,106
+138% +$488K ﹤0.01% 930
2021
Q3 		$261K Sell
10,232
-3,584
-26% -$96K ﹤0.01% 957
2021
Q2 		$472K Buy
+13,816
New +$401K ﹤0.01% 802
2021
Q1 		– Sell
-10,151
Closed -$344K – 882
2020
Q4 		$344K Buy
+10,151
New +$230K ﹤0.01% 729

Other funds holding PLUG

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
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $875B AUM 40.89% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Mariner's PLUG Position: Q2 2026 in Review

Mariner increased its Plug Power (PLUG) stake by 14% in Q2 2026, buying an estimated $124K and bringing the position to 330,150 shares worth $895K. The position accounts for ﹤0.01% of the portfolio, ranked #2032.

Mariner first reported a position in PLUG in Q4 2020 and has held it in 22 quarters since. The position peaked at $1.56M in Q1 2022. 508 funds tracked by Wall St. Rank hold PLUG as of Q2 2026.

  • Mariner held 330,150 shares of Plug Power worth $895K as of Q2 2026.
  • Mariner bought 39,603 Plug Power shares in Q2 2026, an estimated $124K.
  • Plug Power made up ﹤0.01% of Mariner's portfolio in Q2 2026, its #2032 holding.
  • Mariner first reported a position in Plug Power in Q4 2020 and has held it in 22 quarters since.
  • Mariner's Plug Power position peaked at $1.56M in Q1 2022.
  • 508 funds tracked by Wall St. Rank held Plug Power as of Q2 2026.

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