Boxer Capital Management, LLC: SRZN position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Boxer Capital Management, LLC on SRZN, newest first. How the timeline and the estimate are built.
Boxer Capital Management, LLC held 1,105,683 SRZN shares at 2026-06-30 per its 13F-HR filed 2026-08-14, and reported 1,360,683 shares, 11.6%, in a 13G/A filed 2026-10-07.
Estimated current stake: 1,360,683 shares, 11.6% of the class
Estimated from 13G/A of 2026-10-07. As of 2026-09-30, 13G/A 0001213900-26-107661.
Shares are the reporting group's aggregate and may include entities that do not file a 13F.
Percent of portfolio stays on the 13F for 2026-06-30.
- event date2026-09-3013G/A 1,360,683 sharesShare basis changed not comparable
11.6% of the class. Different basis (group aggregate from 13G/A).
13G/A 0001213900-26-107661 filed by Boxer Capital Management, LLC
Accepted , ingestedA 13D/G states the aggregate of its reporting persons, which may include entities that do not file a 13F.
- period ended2026-06-3013F 1,105,683 sharesChange vs previous 13F +339,365 shares
2.03% of the 13F portfolio, value $26,963,591.
13F-HR 0001213900-26-090024 filed by Boxer Capital Management, LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2026-03-3113F 766,318 sharesChange vs previous 13F +350,168 shares
2.93% of the 13F portfolio, value $22,322,843.
13F-HR 0001213900-26-057335 filed by Boxer Capital Management, LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-12-3113F 416,150 sharesChange vs previous 13F not available
2.06% of the 13F portfolio, value $9,404,990.
13F-HR 0002018299-26-000006 filed by Boxer Capital Management, LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).