Mariner
STEM icon

Mariner’s Stem STEM Stock Holding History

Mariner’s Portfolio STEM Stock Details STEM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q2 		– Sell
-2,058
Closed -$14.4K – 3679
2025
Q1 		$14.4K Buy
2,058
+1,348
+190% +$15.6K ﹤0.01% 3398
2024
Q4 		$8.56K Buy
+710
New +$6.11K ﹤0.01% 3369
2024
Q3 		– Sell
-532
Closed -$11.8K – 3388
2024
Q2 		$11.8K Sell
532
-1
-0.2% -$29 ﹤0.01% 3128
2024
Q1 		$23.4K Sell
533
-451
-46% -$25.1K ﹤0.01% 3088
2023
Q4 		$76.4K Buy
984
+151
+18% +$10.4K ﹤0.01% 2896
2023
Q3 		$70.6K Buy
833
+210
+34% +$24K ﹤0.01% 2730
2023
Q2 		$71.3K Sell
623
-406
-39% -$40.3K ﹤0.01% 2679
2023
Q1 		$117K Buy
1,029
+408
+66% +$69.1K ﹤0.01% 2548
2022
Q4 		$111K Buy
+621
New +$149K ﹤0.01% 2500
2022
Q2 		– Sell
-967
Closed -$213K – 1446
2022
Q1 		$213K Buy
967
+326
+51% +$75.9K ﹤0.01% 1362
2021
Q4 		$243K Buy
+641
New +$278K ﹤0.01% 1134

Other funds holding STEM

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
Citigroup
Citigroup New York $235B AUM 32.99% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return
Jane Street
Jane Street New York $777B AUM 61.18% 1-Year Est. Return

Mariner's STEM Position: Q2 2025 in Review

Mariner sold out of Stem (STEM) in Q2 2025, closing a stake of 2,058 shares — an estimated $14.4K sold.

Mariner first reported a position in STEM in Q4 2021 and held it in 11 quarters. The position peaked at $243K in Q4 2021. 81 funds tracked by Wall St. Rank hold STEM as of Q2 2025.

  • Mariner reported no remaining Stem position as of Q2 2025 after selling out during the quarter.
  • Mariner sold 2,058 Stem shares in Q2 2025, an estimated $14.4K.
  • Mariner first reported a position in Stem in Q4 2021 and held it in 11 quarters.
  • Mariner's Stem position peaked at $243K in Q4 2021.
  • 81 funds tracked by Wall St. Rank held Stem as of Q2 2025.

Based on Mariner's 13F filing for Q2 2025, filed 14 Aug 2025.