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Disclosery

CHI Advisors LLC

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13F filer, CIK 1791468, NEW YORK, NY

CHI Advisors LLC reported $235,165,000 across 22 holdings for the quarter ended 2022-03-31, in a 13F-HR filed 2022-05-16. Its ten largest share positions make up 83.41% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001085146-22-002173

Period
2022-03-31
Reported value
$235M
Holdings
22
Top 10 weight
83.41%
New
2
Sold out
0

Largest buys vs the previous quarter

SecurityShares changeApprox. value
2SEVENTY BIO INC COMMON STO…new+819,672$14M
REPARE THERAPEUTICS INCadded+368,841$5.25M
FREELINE THERAPEUTICS HLDGSadded+2,985,930$3.34M
CGEMadded+276,327$2.89M
KROSadded+44,711$2.43M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Largest sells vs the previous quarter

SecurityShares changeApprox. value
PROMETHEUS BIOSCIENCES INCreduced-167,147-$6.31M
ORCHARD THERAPEUTICS PLCreduced-1,142,105-$813K
CMPXreduced-193,980-$266K
IKENA ONCOLOGY INCreduced-1-$6

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Holdings, Q1 2022

Share positions as resolved from 13F-HR 0001085146-22-002173, largest first. % of portfolio is the value over $234,959,000, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
PROMETHEUS BIOSCIENCES INCPROMETHEUS BIOSCIENCES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2020Q2: restricted; 2020Q3: restricted; 2020Q4: restricted; 2021Q1: restricted; 2021Q2: restricted; 2021Q3: restricted; 2021Q4: 1,752,243 shares; 2022Q1: 1,585,096 shares 1,585,096$59.9M25.47%-167,147
REPARE THERAPEUTICS INCREPARE THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2020Q2: restricted; 2020Q3: restricted; 2020Q4: restricted; 2021Q1: restricted; 2021Q2: restricted; 2021Q3: restricted; 2021Q4: 2,212,256 shares; 2022Q1: 2,581,097 shares 2,581,097$36.8M15.64%+368,841
CGEMCULLINAN THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2020Q2: restricted; 2020Q3: restricted; 2020Q4: restricted; 2021Q1: restricted; 2021Q2: restricted; 2021Q3: restricted; 2021Q4: 2,476,720 shares; 2022Q1: 2,753,047 shares 2,753,047$28.8M12.27%+276,327Timeline
PLRXPLIANT THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2020Q2: restricted; 2020Q3: restricted; 2020Q4: restricted; 2021Q1: restricted; 2021Q2: restricted; 2021Q3: restricted; 2021Q4: 2,569,479 shares; 2022Q1: 2,657,457 shares 2,657,457$18.6M7.93%+87,978Timeline
VECTIVBIO HLDG AGVECTIVBIO HLDG AGQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2020Q2: restricted; 2020Q3: restricted; 2020Q4: restricted; 2021Q1: restricted; 2021Q2: restricted; 2021Q3: restricted; 2021Q4: 2,675,408 shares; 2022Q1: 3,084,310 shares 3,084,310$14.5M6.18%+408,902
2SEVENTY BIO INC COMMON STO…2SEVENTY BIO INC COMMON STOCKQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2020Q2: restricted; 2020Q3: restricted; 2020Q4: restricted; 2021Q1: restricted; 2021Q2: restricted; 2021Q3: restricted; 2021Q4: not reported; 2022Q1: 819,672 shares 819,672$14M5.95%new
OMEGA THERAPEUTICS INCOMEGA THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2020Q2: restricted; 2020Q3: restricted; 2020Q4: restricted; 2021Q1: restricted; 2021Q2: restricted; 2021Q3: restricted; 2021Q4: 1,055,882 shares; 2022Q1: 1,055,882 shares 1,055,882$6.59M2.8%0
LRMRLARIMAR THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2020Q2: restricted; 2020Q3: restricted; 2020Q4: restricted; 2021Q1: restricted; 2021Q2: restricted; 2021Q3: restricted; 2021Q4: 1,515,148 shares; 2022Q1: 1,515,148 shares 1,515,148$6.14M2.61%0Timeline
FREELINE THERAPEUTICS HLDGSFREELINE THERAPEUTICS HLDGSQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2020Q2: restricted; 2020Q3: restricted; 2020Q4: restricted; 2021Q1: restricted; 2021Q2: restricted; 2021Q3: restricted; 2021Q4: 1,876,389 shares; 2022Q1: 4,862,319 shares 4,862,319$5.45M2.32%+2,985,930
KEZAR LIFE SCIENCES INCKEZAR LIFE SCIENCES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2020Q2: restricted; 2020Q3: restricted; 2020Q4: restricted; 2021Q1: restricted; 2021Q2: restricted; 2021Q3: restricted; 2021Q4: 272,250 shares; 2022Q1: 314,612 shares 314,612$5.23M2.23%+42,362
IKENA ONCOLOGY INCIKENA ONCOLOGY INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2020Q2: restricted; 2020Q3: restricted; 2020Q4: restricted; 2021Q1: restricted; 2021Q2: restricted; 2021Q3: restricted; 2021Q4: 814,756 shares; 2022Q1: 814,755 shares 814,755$4.97M2.12%-1
ONCORUS INCONCORUS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2020Q2: restricted; 2020Q3: restricted; 2020Q4: restricted; 2021Q1: restricted; 2021Q2: restricted; 2021Q3: restricted; 2021Q4: 2,106,903 shares; 2022Q1: 2,417,436 shares 2,417,436$4.3M1.83%+310,533
AKOUOS INCAKOUOS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2020Q2: restricted; 2020Q3: restricted; 2020Q4: restricted; 2021Q1: restricted; 2021Q2: restricted; 2021Q3: restricted; 2021Q4: 836,120 shares; 2022Q1: 836,120 shares 836,120$3.97M1.69%0
CMPXCOMPASS THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2020Q2: restricted; 2020Q3: restricted; 2020Q4: restricted; 2021Q1: restricted; 2021Q2: restricted; 2021Q3: restricted; 2021Q4: 3,023,692 shares; 2022Q1: 2,829,712 shares 2,829,712$3.88M1.65%-193,980Timeline
ORCHARD THERAPEUTICS PLCORCHARD THERAPEUTICS PLCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2020Q2: restricted; 2020Q3: restricted; 2020Q4: restricted; 2021Q1: restricted; 2021Q2: restricted; 2021Q3: restricted; 2021Q4: 6,449,856 shares; 2022Q1: 5,307,751 shares 5,307,751$3.78M1.61%-1,142,105
G1 THERAPEUTICS INCG1 THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2020Q2: restricted; 2020Q3: restricted; 2020Q4: restricted; 2021Q1: restricted; 2021Q2: restricted; 2021Q3: restricted; 2021Q4: 230,000 shares; 2022Q1: 488,635 shares 488,635$3.71M1.58%+258,635
INOZYME PHARMA INCINOZYME PHARMA INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2020Q2: restricted; 2020Q3: restricted; 2020Q4: restricted; 2021Q1: restricted; 2021Q2: restricted; 2021Q3: restricted; 2021Q4: 892,057 shares; 2022Q1: 892,057 shares 892,057$3.65M1.55%0
KROSKEROS THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2020Q2: restricted; 2020Q3: restricted; 2020Q4: restricted; 2021Q1: restricted; 2021Q2: restricted; 2021Q3: restricted; 2021Q4: 17,518 shares; 2022Q1: 62,229 shares 62,229$3.38M1.44%+44,711Timeline
CRVSCORVUS PHARMACEUTICALS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2020Q2: restricted; 2020Q3: restricted; 2020Q4: restricted; 2021Q1: restricted; 2021Q2: restricted; 2021Q3: restricted; 2021Q4: 400,000 shares; 2022Q1: 1,703,137 shares 1,703,137$2.79M1.19%+1,303,137Timeline
OVIDOVID THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2020Q2: restricted; 2020Q3: restricted; 2020Q4: restricted; 2021Q1: restricted; 2021Q2: restricted; 2021Q3: restricted; 2021Q4: 400,000 shares; 2022Q1: 852,888 shares 852,888$2.68M1.14%+452,888Timeline
PRECISION BIOSCIENCES INCPRECISION BIOSCIENCES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2020Q2: restricted; 2020Q3: restricted; 2020Q4: restricted; 2021Q1: restricted; 2021Q2: restricted; 2021Q3: restricted; 2021Q4: 606,629 shares; 2022Q1: 606,629 shares 606,629$1.87M0.8%0

Options

Puts and calls, as filed. The amount and value describe the underlying shares, not the option premium, so they stay out of % of portfolio (H5).

SecurityTypeAmountValueChange
XBISPDR SERIES TRUST S&P BIOTECHput222,500$206Knew

How Q1 2022 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0001085146-22-002173 base2022-05-16acceptance time not in the bulk data set