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Insider tapeFilings through Fri, Oct 9
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Casdin Partners Master Fund, L.P.

10% Owner at Biolife Solutions Inc (BLFS); Director at Standard Biotools Inc. (LAB); Director at GeneDx Holdings Corp. (WGS)

Purchase track record

Strong record. Based on 2 purchases with a full 90 days of price history.

87
Avg. 90-day return+31.6%
vs. S&P 500+28.3%
Beat the market50%
Paper profit on buys+$11.7M
Total bought / sold$22.6M / $28.1M

Reported trades

Filed Stock Type Shares Price Value Since
May 21SEC BLFSBiolife Solutions Inc Sell 300,0005,657,165 held (−5%) $22.65 $6.8M —
May 21SEC BLFSBiolife Solutions Inc Sell 250,0005,407,165 held (−4%) $23.70 $5.9M —
May 21SEC BLFSBiolife Solutions Inc Sell 650,0004,757,165 held (−12%) $23.70 $15.4M —
May 20SEC WGSGeneDx Holdings Corp. Buy 175,0003,182,164 held (+6%) $42.55 $7.4M +58.2%
May 20SEC WGSGeneDx Holdings Corp. Buy 185,0003,367,164 held (+6%) $42.60 $7.9M +58.1%
May 20SEC WGSGeneDx Holdings Corp. Buy 140,0003,507,164 held (+4%) $43.81 $6.1M +53.7%
Nov 17SEC LABStandard Biotools Inc. Buy 450,00062,500,000 held (+1%) $1.20 $540K -42.5%
Nov 17SEC LABStandard Biotools Inc. Buy 250,00062,750,000 held (+0%) $1.24 $310K -44.4%
Nov 17SEC LABStandard Biotools Inc. Buy 225,00062,975,000 held (+0%) $1.22 $274K -43.4%
  • Buy

    Director Casdin Partners Master Fund, L.P. bought $7.4M of WGS at $42.55 — first open-market purchase in our records.

  • Buy

    Director Casdin Partners Master Fund, L.P. bought $7.9M of WGS at $42.60 — largest purchase by this insider in our records.

  • Buy

    Director Casdin Partners Master Fund, L.P. bought $540K of LAB at $1.20 — first open-market purchase in our records.