13FBOX
RTW INVESTMENTS, LP · 13F Holdings
Options Calculator Rankings

RTW INVESTMENTS, LP

No.526
Latest AUM (Q2 2026)
$11.71B
QoQ Change Q1 2026
+$1.66B+16.5%
Holdings
84
New Buys
9
Adds
26
Reduces
8
Exits
13
Unchanged
41
Holdings Value Trend
Holdings by Sector
Stock Ownership TrendPortfolio %Prev Q %Q2 2026 ValueQ2 2026 SharesPrev Q ValuePrev Q SharesShares ChangeAction
MADRIGAL PHARMACEUTICALS INCMDGL
9.14%10.38%$1.07B2.0M$1.04B2.0M00.00%Unchanged
ARGENX SE SPONSORED ADRARGX
5.62%5.16%$658.2M709,446$518.1M709,44600.00%Unchanged
PTC THERAPEUTICS INCPTCT
5.39%5.25%$631.9M7.7M$527.8M7.7M00.00%Unchanged
PPROTAGONIST THERAPEUTICS INCPTGX
5.3%5.31%$620.4M5.1M$533.2M5.1M+2,122+0.04%Add
CG ONCOLOGY INCCGON
5.16%4.7%$605.0M8.5M$472.7M7.0M+1.5M+21.90%Add
INSMED INCINSM
4.41%7.88%$516.3M4.8M$791.9M4.8M00.00%Unchanged
TTANGO THERAPEUTICS INCTNGX
3.71%2.77%$434.5M13.9M$278.2M13.3M+600,000+4.51%Add
SSPYRE THERAPEUTICS INCSYRE
3.22%2.09%$377.5M4.3M$210.4M4.2M+80,000+1.92%Add
CELCUITY INCCELC
2.95%3.45%$345.8M3.3M$346.9M3.0M+265,282+8.73%Add
EERASCA INCERAS
2.81%2.6%$328.8M17.9M$261.4M16.2M+1.8M+11.08%Add
RRADNET INCRDNT
2.55%2.38%$298.9M4.8M$239.5M4.3M+561,958+13.11%Add
OORUKA THERAPEUTICS INC COMORKA
2.55%1%$298.7M3.1M$101.0M2.1M+1.1M+52.52%Add
NATERA INCNTRA
2.32%2.49%$271.5M1.0M$250.0M1.3M-250,000-20.00%Reduce
UULTRAGENYX PHARMACEUTICAL INRARE
2.22%0.76%$260.3M7.8M$76.4M3.6M+4.1M+113.68%Add
IRHYTHM HOLDINGS INCIRTC
2.22%1.96%$259.6M2.2M$196.9M1.7M+514,131+30.81%Add
CYTOKINETICS INCCYTK
2.08%1.78%$243.8M2.9M$179.4M2.7M+140,845+5.18%Add
KKAILERA THERAPEUTICS INCKLRA
2.03%$237.4M10.8M$00+10.8MNew Buy
EESTABLISHMENT LABS HLDGS INCESTA
1.95%1.5%$227.9M2.7M$150.8M2.7M00.00%Unchanged
GUARDANT HEALTH INCGH
1.9%1.36%$222.2M1.5M$136.8M1.5M00.00%Unchanged
NEUROCRINE BIOSCIENCES INCNBIX
1.82%1.39%$213.7M1.3M$139.9M1.1M+205,853+19.38%Add
TTARSUS PHARMACEUTICALS INCTARS
1.8%2.34%$211.3M3.4M$234.7M3.3M+11,034+0.33%Add
STOKE THERAPEUTICS INCSTOK
1.57%1.82%$184.0M5.6M$183.1M5.6M00.00%Unchanged
UNIQURE NVQURE
1.55%0.42%$181.5M3.9M$42.3M2.6M+1.4M+52.40%Add
AACADIA PHARMACEUTICALS INC COMACAD
1.54%1.58%$180.8M7.1M$159.0M7.1M00.00%Unchanged
RREPLIGEN CORPRGEN
1.45%1.41%$169.3M1.2M$142.1M1.2M+34,637+2.87%Add
UUROGEN PHARMA LTDURGN
1.43%0.81%$167.2M4.5M$81.7M4.5M00.00%Unchanged
GH RESEARCH PLC ORDINARY SHARESGHRS
1.36%0.83%$159.5M5.9M$83.4M5.9M00.00%Unchanged
IIMMUNOCORE HLDGS PLCIMCR
1.32%1.46%$154.6M4.9M$146.8M4.9M00.00%Unchanged
COMPASS PATHWAYS ADR A FUNSPONSORED ADR 1 ADR REPS 1 ORD SHSCMPS
1.29%0.59%$151.4M10.7M$58.8M10.6M+68,584+0.65%Add
IMMATICS N.VIMTX
1.12%1.26%$131.1M12.9M$126.6M12.9M+76,836+0.60%Add
ZZAI LAB LIMITED ADS EACH REP 10 ORD SHSZLAB
1.07%1.23%$124.9M6.6M$123.7M6.6M00.00%Unchanged
IIMMUNOVANT INCIMVT
1.05%0.79%$122.4M3.2M$78.9M3.2M00.00%Unchanged
BELITE BIO INCBLTE
0.94%1.13%$110.2M715,332$114.1M715,33200.00%Unchanged
XXENCOR INCXNCR
0.93%0.81%$109.1M6.8M$81.7M6.8M00.00%Unchanged
TAYSHA GENE THERAPIES INCTSHA
0.79%0.61%$92.3M13.6M$61.2M13.7M-119,990-0.88%Reduce
COGENT BIOSCIENCES INCCOGT
0.76%2.09%$89.4M2.3M$210.1M5.5M-3.1M-57.70%Reduce
ALKERMES PLCALKS
0.75%0.59%$87.6M1.7M$59.1M1.7M00.00%Unchanged
STRUCTURE THERAPEUTICS INCGPCR
0.74%$86.3M1.6M$00+1.6MNew Buy
RREPLIMUNE GROUP INCREPL
0.7%0.56%$82.0M7.4M$56.3M7.4M+54,665+0.74%Add
CCASTLE BIOSCIENCES INCCSTL
0.57%0.67%$66.3M2.8M$67.7M2.8M+20,000+0.73%Add
CCANDEL THERAPEUTICS INC COMCADL
0.56%0.31%$66.1M6.4M$31.5M6.4M00.00%Unchanged
ROCKET PHARMACEUTICALS INC COMRCKT
0.52%0.63%$60.5M17.7M$63.3M17.7M00.00%Unchanged
KKODIAK SCIENCES INCKOD
0.49%0.56%$58.0M1.5M$56.7M1.5M00.00%Unchanged
AAKTIS ONCOLOGY INCAKTS
0.44%0.28%$51.3M1.6M$28.5M1.6M00.00%Unchanged
AXOGEN INCAXGN
0.4%$46.7M1.0M$00+1.0MNew Buy
DANAHER CORP DEL COMDHR
0.37%$43.8M230,000$00+230,000New Buy
CCULLINAN THERAPEUTICS INCCGEM
0.37%0.24%$43.1M2.4M$24.2M1.7M+658,387+38.59%Add
NNEUROGENE INC COMNGNE
0.37%0.27%$42.8M1.4M$27.5M1.4M00.00%Unchanged
HHINGE HEALTH INCHNGE
0.35%0.74%$41.5M500,000$74.4M1.9M-1.4M-74.09%Reduce
OORCHESTRA BIOMED HLDGS INC COMOBIO
0.35%0.35%$41.2M9.6M$35.3M8.3M+1.3M+15.05%Add

🧭 Institutional Sector Flow Heatmap

Net Outflow Net Inflow