NORTHSTAR ASSET MANAGEMENT Co
Position in SLS — SELLAS Life Sciences Group, Inc.
CIK 1132708
BLUE BELL, PA
Position in SLS
as of Jun 30, 2026
· filed Jul 27, 2026
Position Value
$664,200
+$452,700 QoQ
Shares Held
45,000
-10.0% QoQ
Ownership
0.022%
of shares outstanding
% of Portfolio
0.27%
of 13F equity value
Holder Rank
#76
of 189 holders
Holding Since
Sep 2025
4 quarters on record
Voting authority
Sole 0%
Shared 0%
None 100%
Common Shares in SLS Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Jun 30, 2026NORTHSTAR ASSET MANAGEMENT Co holds $1,036,747 across 2 Biotechnology names. SLS ranks #1 (64.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | SLS |
SELLAS Life Sciences Group, Inc.
This page
|
45,000 | $664,200 | |
| 2 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
750 | $372,547 |
All Filings in SLS
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4 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $664,200 | 45,000 | Shares | Sole | 2026-07-27 | |
| 2026-03-31 | $211,500 | 50,000 | Shares | Sole | 2026-04-23 | |
| 2025-12-31 | $188,500 | 50,000 | Shares | Sole | 2026-01-27 | |
| 2025-09-30 | $64,915 | 40,320 | Shares | Sole | 2025-10-22 | |
| No filing history on record for this holder in this stock. | ||||||