Mariner
STM icon

Mariner’s STMicroelectronics STM Stock Holding History

Mariner’s Portfolio STM Stock Details STM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$5.65M Sell
75,490
-3,228
-4% -$194K 0.01% 980
2026
Q1 		$2.71M Buy
78,718
+12,165
+18% +$381K ﹤0.01% 1365
2025
Q4 		$1.73M Sell
66,553
-6,100
-8% -$157K ﹤0.01% 1583
2025
Q3 		$2.05M Sell
72,653
-1,624
-2% -$45.4K ﹤0.01% 1419
2025
Q2 		$2.26M Buy
74,277
+26,685
+56% +$662K ﹤0.01% 1258
2025
Q1 		$1.05M Buy
47,592
+7,002
+17% +$172K ﹤0.01% 1665
2024
Q4 		$1.01M Sell
40,590
-26,406
-39% -$701K ﹤0.01% 1641
2024
Q3 		$1.99M Sell
66,996
-4,567
-6% -$151K ﹤0.01% 1188
2024
Q2 		$2.81M Buy
71,563
+1,765
+3% +$73.3K 0.01% 942
2024
Q1 		$3.02M Sell
69,798
-107
-0.2% -$4.83K 0.01% 921
2023
Q4 		$3.5M Sell
69,905
-1,281
-2% -$57.3K 0.01% 816
2023
Q3 		$3.07M Sell
71,186
-2,639
-4% -$126K 0.01% 809
2023
Q2 		$3.69M Sell
73,825
-1,094
-1% -$50.7K 0.01% 750
2023
Q1 		$4.01M Buy
74,919
+1,410
+2% +$65.8K 0.01% 702
2022
Q4 		$2.61M Buy
73,509
+11,425
+18% +$403K 0.01% 817
2022
Q3 		$1.92M Buy
62,084
+45,621
+277% +$1.6M 0.01% 785
2022
Q2 		$518K Buy
16,463
+3,058
+23% +$114K ﹤0.01% 1109
2022
Q1 		$579K Buy
+13,405
New +$592K ﹤0.01% 1092
2017
Q4 		– Sell
-10,078
Closed -$196K – 595
2017
Q3 		$196K Buy
+10,078
New +$174K 0.01% 479

Other funds holding STM

VanEck Associates
VanEck Associates New York $164B AUM 112.45% 1-Year Est. Return
SA
Situational Awareness San Francisco, California $20.2B AUM 612.59% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
WAM
WT Asset Management Hong Kong $5.05B AUM 589.49% 1-Year Est. Return
SPC
Slate Path Capital New York $7.22B AUM 110.75% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $875B AUM 40.89% 1-Year Est. Return
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $225B AUM 49.49% 1-Year Est. Return

Mariner's STM Position: Q2 2026 in Review

Mariner reduced its STMicroelectronics (STM) stake by 4.1% in Q2 2026, selling an estimated $194K and leaving 75,490 shares worth $5.65M. The position accounts for 0.01% of the portfolio, ranked #980.

Mariner first reported a position in STM in Q3 2017 and has held it in 19 quarters since. 604 funds tracked by Wall St. Rank hold STM as of Q2 2026.

  • Mariner held 75,490 shares of STMicroelectronics worth $5.65M as of Q2 2026.
  • Mariner sold 3,228 STMicroelectronics shares in Q2 2026, an estimated $194K.
  • STMicroelectronics made up 0.01% of Mariner's portfolio in Q2 2026, its #980 holding.
  • Mariner first reported a position in STMicroelectronics in Q3 2017 and has held it in 19 quarters since.
  • 604 funds tracked by Wall St. Rank held STMicroelectronics as of Q2 2026.

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