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Rtw Investments LP

Portfolio Manager
Rtw Investments LP
Performance
-5.74% (2026 Q1)
AUM (13F)
$10.05B
# of Holdings
88
Performance Rank
Allocation (Top 20)
69.86%

Rtw Investments LP Holdings Map

Top 50 Rtw Investments LP Holdings

Top 10 holdings

StockCompany% Port.SharesValueActivityOwnershipAvg. CostDate
MDGL
MADRIGAL PHARMACEUTICALS INC
10.38%1.99M$1.04B
+0.00%(+0)
2025-Q1: 1.99M shares2025-Q2: 1.99M shares2025-Q3: 1.99M shares2025-Q4: 1.99M shares2026-Q1: 1.99M shares
$258.01(+104.68%)
2026-03-31
INSM
INSMED INC
7.88%4.84M$791.9M
+0.00%(+1)
2025-Q1: 3.01M shares2025-Q2: 3.08M shares2025-Q3: 3.08M shares2025-Q4: 4.84M shares2026-Q1: 4.84M shares
$79.98(+39.53%)
2026-03-31
PTGX
PROTAGONIST THERAPEUTICS INC
5.31%5.06M$533.2M
+0.00%(+0)
2025-Q1: 5.72M shares2025-Q2: 5.76M shares2025-Q3: 5.76M shares2025-Q4: 5.06M shares2026-Q1: 5.06M shares
$23.59(+457.85%)
2026-03-31
PTCT
PTC THERAPEUTICS INC
5.25%7.75M$527.8M
+0.00%(+0)
2025-Q1: 7.48M shares2025-Q2: 7.75M shares2025-Q3: 7.75M shares2025-Q4: 7.75M shares2026-Q1: 7.75M shares
$37.81(+120.35%)
2026-03-31
ARGX
ARGENX SE
5.16%709.4K$518.1M
+5.34%(+35.95K)
2025-Q1: 673.5K shares2025-Q2: 673.5K shares2025-Q3: 673.5K shares2025-Q4: 673.5K shares2026-Q1: 709.4K shares
$373.38(+151.67%)
2026-03-31
CGON
CG ONCOLOGY INC
4.7%6.98M$472.7M
+247.14%(+4.97M)
2025-Q1: 1.70M shares2025-Q2: 1.70M shares2025-Q3: 1.70M shares2025-Q4: 2.01M shares2026-Q1: 6.98M shares
$50.02(+40.67%)
2026-03-31
CELC
CELCUITY INC
3.45%3.04M$346.9M
+452.50%(+2.49M)
2025-Q1: 0 shares2025-Q2: 0 shares2025-Q3: 0 shares2025-Q4: 550.2K shares2026-Q1: 3.04M shares
$101.08(+6.80%)
2026-03-31
TNGX
TANGO THERAPEUTICS INC
2.77%13.30M$278.2M
+791.92%(+11.81M)
2025-Q1: 0 shares2025-Q2: 0 shares2025-Q3: 0 shares2025-Q4: 1.49M shares2026-Q1: 13.30M shares
$14.19(+107.64%)
2026-03-31
ERAS
ERASCA INC
2.6%16.16M$261.4M
+10917.43%(+16.01M)
2025-Q1: 0 shares2025-Q2: 0 shares2025-Q3: 0 shares2025-Q4: 146.7K shares2026-Q1: 16.16M shares
$9.89(+86.82%)
2026-03-31
NTRA
NATERA INC
2.49%1.25M$250.0M
-16.67%(-250.00K)
2025-Q1: 2.59M shares2025-Q2: 2.59M shares2025-Q3: 2.00M shares2025-Q4: 1.50M shares2026-Q1: 1.25M shares
$42.31(+560.12%)
2026-03-31

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