William Frels - Mairs & Power
Period:    Q1 2026
Portfolio date:    31 Mar 2026
No. of stocks:    245
Portfolio value:    $9,786,094,433
Holdings Activity Buys Sells    History
Holding/activity history for  Alnylam Pharmaceuticals, Inc. (ALNY)
← All ALNY superinvestors
Period Shares % of Portfolio Activity % Change to Portfolio Price Value Filing
2016   Q1 0 0.00 Sell 100.00% <0.01 $51.51–98.00 · VW $65.77i SEC
2015   Q4 2,300 <0.01 Buy <0.01 $71.14–110.75 · VW $91.30i $217,000 SEC
2015   Q3 0 0.00 Sell 100.00% <0.01 $76.46–137.89 · VW $104.89i SEC
2015   Q2 2,200 <0.01 $120.00 $264,000 SEC
2015   Q1 2,200 <0.01 $104.55 $230,000 SEC
2014   Q4 2,200 <0.01 Buy <0.01 $72.80–111.49 · VW $93.46i $213,000 SEC
Price snapshot:
Current price$288.06
52-week low$273.11
52-week high$495.55