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Disclosery

CHI Advisors LLC

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13F filer, CIK 1791468, NEW YORK, NY

CHI Advisors LLC reported $261,836,000 across 28 holdings for the quarter ended 2022-06-30, in a 13F-HR filed 2022-08-12. Its ten largest share positions make up 82.88% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001085146-22-003022

Period
2022-06-30
Reported value
$262M
Holdings
28
Top 10 weight
82.88%
New
6
Sold out
0

Largest buys vs the previous quarter

SecurityShares changeApprox. value
KEZAR LIFE SCIENCES INCadded+1,526,181$12.6M
INOZYME PHARMA INCadded+1,141,745$5.45M
NKTXnew+358,013$4.41M
PRECISION BIOSCIENCES INCadded+2,397,122$3.84M
CGEMadded+294,562$3.78M

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
ONCORUS INCreduced-50,000-$63K

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, Q2 2022

Share positions as resolved from 13F-HR 0001085146-22-003022, largest first. % of portfolio is the value over $261,455,000, 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; 2020Q3: restricted; 2020Q4: restricted; 2021Q1: restricted; 2021Q2: restricted; 2021Q3: restricted; 2021Q4: 1,752,243 shares; 2022Q1: 1,585,096 shares; 2022Q2: 1,671,976 shares 1,671,976$47.2M18.05%+86,880
CGEMCULLINAN THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2020Q3: restricted; 2020Q4: restricted; 2021Q1: restricted; 2021Q2: restricted; 2021Q3: restricted; 2021Q4: 2,476,720 shares; 2022Q1: 2,753,047 shares; 2022Q2: 3,047,609 shares 3,047,609$39.1M14.94%+294,562Timeline
REPARE THERAPEUTICS INCREPARE THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2020Q3: restricted; 2020Q4: restricted; 2021Q1: restricted; 2021Q2: restricted; 2021Q3: restricted; 2021Q4: 2,212,256 shares; 2022Q1: 2,581,097 shares; 2022Q2: 2,646,781 shares 2,646,781$37M14.16%+65,684
PLRXPLIANT THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2020Q3: restricted; 2020Q4: restricted; 2021Q1: restricted; 2021Q2: restricted; 2021Q3: restricted; 2021Q4: 2,569,479 shares; 2022Q1: 2,657,457 shares; 2022Q2: 3,106,807 shares 3,106,807$24.9M9.52%+449,350Timeline
VECTIVBIO HLDG AGVECTIVBIO HLDG AGQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2020Q3: restricted; 2020Q4: restricted; 2021Q1: restricted; 2021Q2: restricted; 2021Q3: restricted; 2021Q4: 2,675,408 shares; 2022Q1: 3,084,310 shares; 2022Q2: 3,782,199 shares 3,782,199$20.4M7.81%+697,889
KEZAR LIFE SCIENCES INCKEZAR LIFE SCIENCES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2020Q3: restricted; 2020Q4: restricted; 2021Q1: restricted; 2021Q2: restricted; 2021Q3: restricted; 2021Q4: 272,250 shares; 2022Q1: 314,612 shares; 2022Q2: 1,840,793 shares 1,840,793$15.2M5.82%+1,526,181
2SEVENTY BIO INC COMMON STO…2SEVENTY BIO INC COMMON STOCKQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2020Q3: restricted; 2020Q4: restricted; 2021Q1: restricted; 2021Q2: restricted; 2021Q3: restricted; 2021Q4: not reported; 2022Q1: 819,672 shares; 2022Q2: 819,672 shares 819,672$10.8M4.14%0
INOZYME PHARMA INCINOZYME PHARMA INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2020Q3: restricted; 2020Q4: restricted; 2021Q1: restricted; 2021Q2: restricted; 2021Q3: restricted; 2021Q4: 892,057 shares; 2022Q1: 892,057 shares; 2022Q2: 2,033,802 shares 2,033,802$9.7M3.71%+1,141,745
CMPXCOMPASS THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2020Q3: restricted; 2020Q4: restricted; 2021Q1: restricted; 2021Q2: restricted; 2021Q3: restricted; 2021Q4: 3,023,692 shares; 2022Q1: 2,829,712 shares; 2022Q2: 2,829,712 shares 2,829,712$7.5M2.87%0Timeline
IKENA ONCOLOGY INCIKENA ONCOLOGY INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2020Q3: restricted; 2020Q4: restricted; 2021Q1: restricted; 2021Q2: restricted; 2021Q3: restricted; 2021Q4: 814,756 shares; 2022Q1: 814,755 shares; 2022Q2: 1,090,937 shares 1,090,937$4.83M1.85%+276,182
PRECISION BIOSCIENCES INCPRECISION BIOSCIENCES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2020Q3: restricted; 2020Q4: restricted; 2021Q1: restricted; 2021Q2: restricted; 2021Q3: restricted; 2021Q4: 606,629 shares; 2022Q1: 606,629 shares; 2022Q2: 3,003,751 shares 3,003,751$4.81M1.84%+2,397,122
NKTXNKARTA INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2020Q3: restricted; 2020Q4: restricted; 2021Q1: restricted; 2021Q2: restricted; 2021Q3: restricted; 2021Q4: not reported; 2022Q1: not reported; 2022Q2: 358,013 shares 358,013$4.41M1.69%newTimeline
FREELINE THERAPEUTICS HLDGSFREELINE THERAPEUTICS HLDGSQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2020Q3: restricted; 2020Q4: restricted; 2021Q1: restricted; 2021Q2: restricted; 2021Q3: restricted; 2021Q4: 1,876,389 shares; 2022Q1: 4,862,319 shares; 2022Q2: 4,862,319 shares 4,862,319$4.23M1.62%0
OMEGA THERAPEUTICS INCOMEGA THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2020Q3: restricted; 2020Q4: restricted; 2021Q1: restricted; 2021Q2: restricted; 2021Q3: restricted; 2021Q4: 1,055,882 shares; 2022Q1: 1,055,882 shares; 2022Q2: 1,055,882 shares 1,055,882$4.01M1.53%0
AKOUOS INCAKOUOS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2020Q3: restricted; 2020Q4: restricted; 2021Q1: restricted; 2021Q2: restricted; 2021Q3: restricted; 2021Q4: 836,120 shares; 2022Q1: 836,120 shares; 2022Q2: 836,120 shares 836,120$3.92M1.5%0
G1 THERAPEUTICS INCG1 THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2020Q3: restricted; 2020Q4: restricted; 2021Q1: restricted; 2021Q2: restricted; 2021Q3: restricted; 2021Q4: 230,000 shares; 2022Q1: 488,635 shares; 2022Q2: 767,235 shares 767,235$3.79M1.45%+278,600
ORCHARD THERAPEUTICS PLCORCHARD THERAPEUTICS PLCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2020Q3: restricted; 2020Q4: restricted; 2021Q1: restricted; 2021Q2: restricted; 2021Q3: restricted; 2021Q4: 6,449,856 shares; 2022Q1: 5,307,751 shares; 2022Q2: 5,307,751 shares 5,307,751$3.1M1.19%0
ONCORUS INCONCORUS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2020Q3: restricted; 2020Q4: restricted; 2021Q1: restricted; 2021Q2: restricted; 2021Q3: restricted; 2021Q4: 2,106,903 shares; 2022Q1: 2,417,436 shares; 2022Q2: 2,367,436 shares 2,367,436$2.98M1.14%-50,000
LRMRLARIMAR THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2020Q3: restricted; 2020Q4: restricted; 2021Q1: restricted; 2021Q2: restricted; 2021Q3: restricted; 2021Q4: 1,515,148 shares; 2022Q1: 1,515,148 shares; 2022Q2: 1,515,148 shares 1,515,148$2.97M1.14%0Timeline
KROSKEROS THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2020Q3: restricted; 2020Q4: restricted; 2021Q1: restricted; 2021Q2: restricted; 2021Q3: restricted; 2021Q4: 17,518 shares; 2022Q1: 62,229 shares; 2022Q2: 103,429 shares 103,429$2.86M1.09%+41,200Timeline
CRVSCORVUS PHARMACEUTICALS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2020Q3: restricted; 2020Q4: restricted; 2021Q1: restricted; 2021Q2: restricted; 2021Q3: restricted; 2021Q4: 400,000 shares; 2022Q1: 1,703,137 shares; 2022Q2: 2,214,184 shares 2,214,184$2.19M0.84%+511,047Timeline
TRDAENTRADA THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2020Q3: restricted; 2020Q4: restricted; 2021Q1: restricted; 2021Q2: restricted; 2021Q3: restricted; 2021Q4: not reported; 2022Q1: not reported; 2022Q2: 163,496 shares 163,496$1.99M0.76%newTimeline
OVIDOVID THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2020Q3: restricted; 2020Q4: restricted; 2021Q1: restricted; 2021Q2: restricted; 2021Q3: restricted; 2021Q4: 400,000 shares; 2022Q1: 852,888 shares; 2022Q2: 864,822 shares 864,822$1.86M0.71%+11,934Timeline
EIGER BIOPHARMACEUTICALS INCEIGER BIOPHARMACEUTICALS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2020Q3: restricted; 2020Q4: restricted; 2021Q1: restricted; 2021Q2: restricted; 2021Q3: restricted; 2021Q4: not reported; 2022Q1: not reported; 2022Q2: 190,000 shares 190,000$1.2M0.46%new
PHASEBIO PHARMACEUTICALS INCPHASEBIO PHARMACEUTICALS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2020Q3: restricted; 2020Q4: restricted; 2021Q1: restricted; 2021Q2: restricted; 2021Q3: restricted; 2021Q4: not reported; 2022Q1: not reported; 2022Q2: 750,000 shares 750,000$450K0.17%new

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 BIOTECHput157,000$372K-65,500
KEZAR LIFE SCIENCES INCKEZAR LIFE SCIENCES INC COMcall100,000$5Knew
EIGER BIOPHARMACEUTICALS INCEIGER BIOPHARMACEUTICALS INC COMcall25,100$4Knew

How Q2 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 0001085146-22-003022 base2022-08-12acceptance time not in the bulk data set