Mariner
STE icon

Mariner’s Steris STE Stock Holding History

Mariner’s Portfolio STE Stock Details STE Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$9.55M Buy
45,375
+9,892
+28% +$2.12M 0.01% 758
2026
Q1 		$7.85M Sell
35,483
-19,380
-35% -$4.74M 0.01% 855
2025
Q4 		$13.9M Buy
54,863
+24,854
+83% +$6.24M 0.02% 567
2025
Q3 		$7.43M Buy
30,009
+14,196
+90% +$3.4M 0.01% 750
2025
Q2 		$3.8M Buy
15,813
+4,622
+41% +$1.08M 0.01% 992
2025
Q1 		$2.54M Buy
11,191
+655
+6% +$144K ﹤0.01% 1109
2024
Q4 		$2.17M Sell
10,536
-1,271
-11% -$279K ﹤0.01% 1176
2024
Q3 		$2.86M Buy
11,807
+1,309
+12% +$306K 0.01% 1016
2024
Q2 		$2.3M Buy
10,498
+1
+0% +$217 ﹤0.01% 1042
2024
Q1 		$2.36M Buy
10,497
+300
+3% +$67.7K ﹤0.01% 1026
2023
Q4 		$2.24M Sell
10,197
-428
-4% -$90.5K 0.01% 1011
2023
Q3 		$2.33M Buy
10,625
+1,079
+11% +$244K 0.01% 910
2023
Q2 		$2.15M Buy
9,546
+261
+3% +$52.2K 0.01% 947
2023
Q1 		$1.77M Buy
9,285
+304
+3% +$58.8K 0.01% 1009
2022
Q4 		$1.66M Buy
8,981
+690
+8% +$121K 0.01% 1004
2022
Q3 		$1.38M Buy
+8,291
New +$1.69M 0.01% 919
2022
Q2 		– Sell
-57,392
Closed -$13.9M – 1445
2022
Q1 		$13.9M Buy
57,392
+261
+0.5% +$60.5K 0.05% 284
2021
Q4 		$13.9M Buy
57,131
+2,209
+4% +$505K 0.06% 254
2021
Q3 		$11.2M Sell
54,922
-501
-0.9% -$107K 0.06% 263
2021
Q2 		$11.4M Buy
55,423
+82
+0.1% +$16.5K 0.07% 227
2021
Q1 		$10.5M Buy
+55,341
New +$10.3M 0.07% 221
2019
Q3 		– Sell
-6,563
Closed -$977K – 1000
2019
Q2 		$977K Buy
6,563
+63
+1% +$8.41K 0.01% 542
2019
Q1 		$832K Buy
6,500
+4,138
+175% +$487K 0.01% 536
2018
Q4 		$252K Buy
2,362
+167
+8% +$18.6K ﹤0.01% 716
2018
Q3 		$251K Buy
2,195
+89
+4% +$10.1K 0.01% 705
2018
Q2 		$221K Buy
+2,106
New +$212K 0.01% 728

Other funds holding STE

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
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
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Massachusetts Financial Services
Massachusetts Financial Services Boston, Massachusetts $315B AUM 27.84% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
OAG
Orbis Allan Gray Hamilton, Bermuda $29.1B AUM 60.8% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
GIM
Generation Investment Management London, United Kingdom $10.3B AUM 4.84% 1-Year Est. Return

Mariner's STE Position: Q2 2026 in Review

Mariner increased its Steris (STE) stake by 28% in Q2 2026, buying an estimated $2.12M and bringing the position to 45,375 shares worth $9.55M. The position accounts for 0.01% of the portfolio, ranked #758.

Mariner first reported a position in STE in Q2 2018 and has held it in 26 quarters since. The position peaked at $13.9M in Q4 2025. 835 funds tracked by Wall St. Rank hold STE as of Q2 2026.

  • Mariner held 45,375 shares of Steris worth $9.55M as of Q2 2026.
  • Mariner bought 9,892 Steris shares in Q2 2026, an estimated $2.12M.
  • Steris made up 0.01% of Mariner's portfolio in Q2 2026, its #758 holding.
  • Mariner first reported a position in Steris in Q2 2018 and has held it in 26 quarters since.
  • Mariner's Steris position peaked at $13.9M in Q4 2025.
  • 835 funds tracked by Wall St. Rank held Steris as of Q2 2026.

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