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Duan Yongping - H&H International Investment
Period:    Q1 2026
Portfolio date:    31 Mar 2026
No. of stocks:    19
Portfolio value:    $20,003,996,234
Holdings Activity Buys Sells    History
Holding/activity history for  Biogen Inc. (BIIB)
← All BIIB superinvestors
Period Shares % of Portfolio Activity % Change to Portfolio Price Value Filing
2020   Q2 0 0.00 Sell 100.00% 0.11 $257.60–350.24 · VW $298.78i SEC
2020   Q1 10,000 0.11 Buy 0.11 $262.25–374.99 · VW $302.72i $3,164,000 SEC
Price snapshot:
Current price$209.03
52-week low$121.05
52-week high$219.72
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Quotes delayed 15 minutes for NASDAQ, NYSE and AMEX. 13F holdings sourced from SEC EDGAR filings.
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