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Avidity Partners Management’s State Street SPDR S&P Biotech ETF XBI Stock Holding History

Avidity Partners Management’s Portfolio XBI Stock Details XBI Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q2 		– Sell
-94,000
Closed -$7.62M – 84
2025
Q1 		$7.62M Buy
+94,000
New +$8.4M 1.57% 26
2023
Q1 		– Hold
0
– – – 96
2022
Q4 		– Sell
-1,480,000
Closed -$120M – 105
2022
Q3 		$117M Sell
1,480,000
-395,000
-21% -$33.3M 2.55% 11
2022
Q2 		$139M Buy
1,875,000
+1,435,000
+326% +$108M 3.2% 13
2022
Q1 		$39.5M Buy
+440,000
New +$40.6M 0.88% 36
2021
Q4 		– Hold
0
– – – 113
2021
Q3 		– Hold
0
– – – 128

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