Who Owns SLS?
SELLAS Life Sciences Group, Inc. — Institutional Ownership & 13F Holdings
$4.95
+0.28 (+6.00%)
Market Cap
$660.9M
Shares Outstanding
142,442,000
Institutional Holders
78
Total Inst. Value
$139.1M
% of Float Held
40.6%
QoQ Holder Change
+52
Institutional data as of Q1 2025
New Positions
23
Closed Positions
10
Increased
27
Decreased
15
Institutional Ownership Trend
Top 10 Institutional Holders(Q1 2025)
| # | Fund | Value | Shares |
|---|---|---|---|
| 1 | Boundary Creek Advisors LP | $25.0M | 7,413,179 |
| 2 | Orion Resource Partners LPNew | $18.3M | 5,454,201 |
| 3 | L1 Capital Pty Ltd | $16.6M | 4,929,623 |
| 4 | PSquared Asset Management AGNew | $15.3M | 4,547,184 |
| 5 | Anson Funds Management LP | $11.8M | 8,732,249 |
| 6 | SPROTT INC. | $9.4M | 2,782,579 |
| 7 | BARCLAYS PLC | $6.8M | 1,999,200 |
| 8 | TD Waterhouse Canada Inc. | $4.2M | 1,341,008 |
| 9 | NewGen Asset Management Ltd | $4.1M | 1,200,000 |
| 10 | JENNISON ASSOCIATES LLC | $3.7M | 1,094,669 |
Biggest Buyers & Sellers This Quarter
Top Buyers
| Fund | Shares Added | Value |
|---|---|---|
| Boundary Creek Advisors LP | +227K | $25.0M |
| Orion Resource Partners LPNew | +5.5M | $18.3M |
| L1 Capital Pty Ltd | +42K | $16.6M |
| PSquared Asset Management AGNew | +4.5M | $15.3M |
| Anson Funds Management LP | +6.6M | $11.8M |
Top Sellers
| Fund | Shares Removed | Value |
|---|---|---|
| BANK OF MONTREAL /CAN/ | -1.6M | $1.5M |
| Brooklyn FI, LLC | -585K | $11K |
| TD Waterhouse Canada Inc. | -245K | $4.2M |
| CITADEL ADVISORS LLC | -201K | $377K |
| JANE STREET GROUP, LLC | -200K | $63K |
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Frequently Asked Questions
How many institutional investors hold SLS?
As of Q1 2025, 78 institutional investors report holding SLS (SELLAS Life Sciences Group, Inc.) in their 13F filings.
What percentage of SELLAS Life Sciences Group, Inc. is owned by institutions?
Institutional investors hold approximately 40.6% of SELLAS Life Sciences Group, Inc.'s float as reported in SEC 13F filings.
Which hedge fund owns the most SLS?
The largest institutional holder of SLS is Boundary Creek Advisors LP with $25.0M in shares.
Are institutions buying or selling SLS?
This quarter, 23 institutions opened new positions in SLS and 10 closed their positions.
What is 13F institutional ownership?
SEC Form 13F is a quarterly report filed by institutional investment managers with over $100M in qualifying assets. It discloses their US equity holdings, providing transparency into what the largest investors are buying and selling.
How often is institutional ownership data updated?
13F filings are due 45 days after each calendar quarter end (May 15, Aug 14, Nov 14, Feb 14). Data is updated on HedgeTrace as new filings are processed.