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MF
Magnetar Financial’s
Archer Aviation
ACHR
Stock Holding History
Magnetar Financial’s Portfolio
ACHR Stock Details
ACHR Fund Activity
Bought
Maintained
Sold
Quarter
Market Value
Status
Shares
Change in
Stake
Trade Value
Portfolio Weight
Portfolio Position
2026
Q1
–
Sell
-123,861
Closed
-$931K
–
1135
2025
Q4
$931K
Buy
+123,861
New
+$1.17M
0.01%
453
2023
Q2
–
Sell
-465,000
Closed
-$1.33M
–
476
2023
Q1
$1.33M
Hold
465,000
–
–
0.03%
348
2022
Q4
$870K
Hold
465,000
–
–
0.01%
549
2022
Q3
$1.21M
Hold
465,000
–
–
0.02%
681
2022
Q2
$1.43K
Hold
465,000
–
–
0.01%
838
2022
Q1
$2.24M
Hold
465,000
–
–
0.02%
646
2021
Q4
$2.81M
Buy
+465,000
New
+$3.08M
0.03%
595
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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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