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TSS
Two Sigma Securities’s
Altimmune
ALT
Stock Holding History
Two Sigma Securities’s Portfolio
ALT Stock Details
ALT Fund Activity
Bought
Maintained
Sold
Quarter
Market Value
Status
Shares
Change in
Stake
Trade Value
Portfolio Weight
Portfolio Position
2026
Q1
–
Sell
-12,274
Closed
-$44.3K
–
1629
2025
Q4
$44.3K
Buy
12,274
+1,024
+9%
+$4.46K
0.01%
1087
2025
Q3
$42.4K
Sell
11,250
-6,861
-38%
-$26.5K
0.01%
1013
2025
Q2
$70.1K
Buy
+18,111
New
+$98K
0.01%
1082
2023
Q2
–
Sell
-33,495
Closed
-$141K
–
2747
2023
Q1
$141K
Buy
+33,495
New
+$398K
0.01%
2149
2017
Q1
–
Sell
-186
Closed
-$181K
–
881
2016
Q4
$181K
Buy
+186
New
+$167K
0.06%
479
Other funds holding ALT
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
VPM
Vanguard Portfolio Management
Malvern, Pennsylvania
$1.91T AUM
Marshall Wace
London, United Kingdom
$93.4B AUM
35.1%
1-Year Est. Return
Millennium Management
New York
$134B AUM
35.51%
1-Year Est. Return
Geode Capital Management
Boston, Massachusetts
$1.61T AUM
30.72%
1-Year Est. Return
Alyeska Investment Group
Chicago, Illinois
$35.3B AUM
33.54%
1-Year Est. Return
Two Sigma Investments
New York
$121B AUM
33.93%
1-Year Est. Return
N
Nuveen
Charlotte, North Carolina
$369B AUM
31.66%
1-Year Est. Return
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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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