Mariner’s Sotera Health SHC Stock Holding History

Mariner’s Portfolio SHC Stock Details SHC Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$6.9M	Buy	388,522 +159,162	+69%	+$2.51M	0.01%	895
2026 Q1	$3.29M	Buy	229,360 +116,350	+103%	+$1.93M	﹤0.01%	1238
2025 Q4	$1.99M	Buy	+113,010	New	+$1.87M	﹤0.01%	1507
2023 Q3	–	Sell	-10,599	Closed	-$200K	–	3005
2023 Q2	$200K	Sell	10,599 -6,477	-38%	-$103K	﹤0.01%	2469
2023 Q1	$306K	Buy	+17,076	New	+$285K	﹤0.01%	2052

Other funds holding SHC

Sessa Capital New York $5.98B AUM 99.85% 1-Year Est. Return

DCP

Darsana Capital Partners New York $22.3B AUM 42.01% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Sculptor Capital New York $12.3B AUM 40.26% 1-Year Est. Return

SHCM

Sachem Head Capital Management New York $4.82B AUM 73.38% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return

AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return

Jupiter Topco New York $245B AUM

Mariner's SHC Position: Q2 2026 in Review

Mariner increased its Sotera Health (SHC) stake by 69% in Q2 2026, buying an estimated $2.51M and bringing the position to 388,522 shares worth $6.9M. The position accounts for 0.01% of the portfolio, ranked #895.

Mariner first reported a position in SHC in Q1 2023 and has held it in 5 quarters since. 320 funds tracked by Wall St. Rank hold SHC as of Q2 2026.

Mariner held 388,522 shares of Sotera Health worth $6.9M as of Q2 2026.
Mariner bought 159,162 Sotera Health shares in Q2 2026, an estimated $2.51M.
Sotera Health made up 0.01% of Mariner's portfolio in Q2 2026, its #895 holding.
Mariner first reported a position in Sotera Health in Q1 2023 and has held it in 5 quarters since.
320 funds tracked by Wall St. Rank held Sotera Health as of Q2 2026.

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