SEC 13F Intelligence

Orion Resource Partners LP / SLS

Orion Resource Partners LP’s Sellas Life Sciences Group I Position

Does Orion Resource Partners LP own Sellas Life Sciences Group I (SLS)? Yes — 2.70M shares worth $23M (+10.58% of its 13F portfolio) as of Q1 2026, down from 5.00M shares the prior filed quarter.

Position Value
$23M
Q1 2026
Shares
2.70M
% of Portfolio
+10.58%
Quarters Held
6
currently held

Position History SLS

Reported value by quarter
Q2 ’24: $15MQ2 ’24Q1 ’25: $18MQ1 ’25Q2 ’25: $25MQ2 ’25Q3 ’25: $35MQ3 ’25Q4 ’25: $40MQ4 ’25Q1 ’26: $23MQ1 ’26filingsflow.com
QuarterSharesValue% of Portfolio
Q1 20262.70M$23M+10.58%
Q4 20255.00M$40M+19.71%
Q3 20255.45M$35M+12.64%
Q2 20255.45M$25M+4.63%
Q1 20255.45M$18M+3.49%
Q2 20245.45M$15M+2.30%

Common-stock position only; options are excluded. Quarters where the fund filed no 13F or reported no position are absent. See Orion Resource Partners LP’s full portfolio or all institutional holders of SLS.