Mariner
SLDP icon

Mariner’s Solid Power SLDP Stock Holding History

Mariner’s Portfolio SLDP Stock Details SLDP Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		– Sell
-38,060
Closed -$162K – 3799
2025
Q4 		$162K Sell
38,060
-35,668
-48% -$197K ﹤0.01% 3230
2025
Q3 		$256K Sell
73,728
-3,728
-5% -$14.1K ﹤0.01% 2952
2025
Q2 		$170K Sell
77,456
-85,124
-52% -$120K ﹤0.01% 3106
2025
Q1 		$171K Buy
162,580
+117,114
+258% +$160K ﹤0.01% 3055
2024
Q4 		$85.9K Sell
45,466
-177,120
-80% -$219K ﹤0.01% 3214
2024
Q3 		$300K Buy
222,586
+8,515
+4% +$13.5K ﹤0.01% 2564
2024
Q2 		$353K Buy
214,071
+93,768
+78% +$162K ﹤0.01% 2326
2024
Q1 		$244K Buy
120,303
+72,576
+152% +$111K ﹤0.01% 2606
2023
Q4 		$69.2K Buy
47,727
+25,621
+116% +$38.4K ﹤0.01% 2906
2023
Q3 		$44.7K Buy
22,106
+6,947
+46% +$16.5K ﹤0.01% 2780
2023
Q2 		$38.5K Buy
+15,159
New +$35K ﹤0.01% 2738

Other funds holding SLDP

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
HCM
Heights Capital Management San Francisco, California $433M AUM 8.59% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
D.E. Shaw & Co
D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return
RH
Riverstone Holdings New York $30.9M AUM 53.91% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return

Mariner's SLDP Position: Q1 2026 in Review

Mariner sold out of Solid Power (SLDP) in Q1 2026, closing a stake of 38,060 shares — an estimated $162K sold.

Mariner first reported a position in SLDP in Q2 2023 and held it in 11 quarters. The position peaked at $353K in Q2 2024. 193 funds tracked by Wall St. Rank hold SLDP as of Q1 2026.

  • Mariner reported no remaining Solid Power position as of Q1 2026 after selling out during the quarter.
  • Mariner sold 38,060 Solid Power shares in Q1 2026, an estimated $162K.
  • Mariner first reported a position in Solid Power in Q2 2023 and held it in 11 quarters.
  • Mariner's Solid Power position peaked at $353K in Q2 2024.
  • 193 funds tracked by Wall St. Rank held Solid Power as of Q1 2026.

Based on Mariner's 13F filing for Q1 2026, filed 13 May 2026.