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Wellington Management Group’s
SELLAS Life Sciences
SLS
Stock Holding History
Wellington Management Group’s Portfolio
SLS Stock Details
SLS Fund Activity
Bought
Maintained
Sold
Quarter
Market Value
Status
Shares
Change in
Stake
Trade Value
Portfolio Weight
Portfolio Position
2026
Q1
$1.46M
Buy
+344,778
New
+$1.54M
﹤0.01%
1606
Other funds holding SLS
BlackRock
New York
$5.7T AUM
30.48%
1-Year Est. Return
State Street
Boston, Massachusetts
$2.9T AUM
29.55%
1-Year Est. Return
VCM
Vanguard Capital Management
Malvern, Pennsylvania
$4.04T AUM
Geode Capital Management
Boston, Massachusetts
$1.61T AUM
30.72%
1-Year Est. Return
Marshall Wace
London, United Kingdom
$93.4B AUM
35.1%
1-Year Est. Return
Jones Financial Companies
Des Peres, Missouri
$208B AUM
16.12%
1-Year Est. Return
VPM
Vanguard Portfolio Management
Malvern, Pennsylvania
$1.91T AUM
Morgan Stanley
New York
$1.66T AUM
25.57%
1-Year Est. Return
Northern Trust
Chicago, Illinois
$757B AUM
28.64%
1-Year Est. Return
VFT
Vanguard Fiduciary Trust
Malvern, Pennsylvania
$396B AUM
Sign up
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Fund Insights
Common Fund Bets
See what stocks and ETFs funds are collectively bullish/bearish on
Largest Fund Trades
Explore the largest stock and ETF buys and sells made by funds
High Conviction Trades
Discover high conviction trades that caused a significant change in a fund's stake in a stock
Fund Manager Portfolios
Gain insights from the world’s largest funds and super investors
WSR Indexes
Fund Manager Index
Stock index based on fund manager consensus updated each quarter
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