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Portfolio (Quarterly) Guide ↗

RTW INVESTMENTS, LP

· CIK 0001493215
13F Portfolio $10.0B AUM 88 positions Filed May 15, 2026 EDGAR ↗ ← All Funds
Q1 2026 Q4 2025 · All 9 New 25 Added 12 Reduced 12 Exited
Page 1 of 2  ·  25 positions
# Ticker Company Sector Shares Value ↓ % Port Chg Shares Chg % Period Price ① Since Period ①
1 ARGX ARGENX SE Healthcare 709,446.0 $518.1M 5.16% +36K +5.3% $730.25 +22.2%
2 CGON CG ONCOLOGY INC Healthcare 6,984,808.0 $472.7M 4.70% +5.0M +247.1% $67.68 -10.7%
3 CELC CELCUITY INC Healthcare 3,039,621.0 $346.9M 3.45% +2.5M +452.5% $114.14 -22.9%
4 TNGX TANGO THERAPEUTICS INC Healthcare 13,300,620.0 $278.2M 2.77% +11.8M +791.9% $20.92 +54.3%
5 ERAS ERASCA INC Healthcare 16,157,175.0 $261.4M 2.60% +16.0M +10000.0% $16.18 -13.6%
6 RDNT RADNET INC Healthcare 4,285,000.0 $239.5M 2.38% +346K +8.8% $55.89 -5.5%
7 APOGEE THERAPEUTICS INC 2,782,097.0 $234.2M 2.33% +70K +2.6% $84.17
8 IRTC IRHYTHM HOLDINGS INC Healthcare 1,668,500.0 $196.9M 1.96% +487K +41.2% $118.02 -13.8%
9 STOK STOKE THERAPEUTICS INC Healthcare 5,623,525.0 $183.1M 1.82% +77K +1.4% $32.56 -7.1%
10 ESTA ESTABLISHMENT LABS HLDGS INC Healthcare 2,655,695.0 $150.8M 1.50% +67K +2.6% $56.78 +45.1%
11 RGEN REPLIGEN CORP Healthcare 1,206,000.0 $142.1M 1.41% +142K +13.3% $117.82 +13.4%
12 IMTX IMMATICS N.V Healthcare 12,869,340.0 $126.6M 1.26% +1.4M +12.6% $9.84 -3.3%
13 ISRG INTUITIVE SURGICAL INC Healthcare 220,000.0 $101.4M 1.01% +119K +117.3% $460.99 -12.8%
14 CNTA CENTESSA PHARMACEUTICALS PLC Healthcare 2,054,175.0 $81.6M 0.81% +263K +14.7% $39.72 +0.4%
15 RARE ULTRAGENYX PHARMACEUTICAL IN Healthcare 3,648,795.0 $76.4M 0.76% +649K +21.6% $20.95 +28.4%
16 HNGE HINGE HEALTH INC Healthcare 1,930,000.0 $74.4M 0.74% +1.6M +446.0% $38.56 +73.9%
17 CSTL CASTLE BIOSCIENCES INC Healthcare 2,758,335.0 $67.7M 0.67% +643K +30.4% $24.55 -17.5%
18 CMPS COMPASS PATHWAYS PLC Healthcare 10,632,390.0 $58.8M 0.58% +1.9M +21.4% $5.53 +115.9%
19 REPL REPLIMUNE GROUP INC Healthcare 7,356,916.0 $56.3M 0.56% +217K +3.0% $7.65 +30.7%
20 CRNX CRINETICS PHARMACEUTICALS IN Healthcare 1,451,326.0 $52.7M 0.53% +100K +7.4% $36.32 -1.6%
Page 1 of 2  ·  25 positions

Period Price is the implied market price on the last day of the reporting period, calculated as reported value ÷ shares held. It is not the fund's purchase price or cost basis — the fund may have initiated or added to the position at any point during the quarter at a different price. Since Period shows the price change from that quarter-end snapshot to today's last price — it reflects stock movement after the report date, not the fund's actual return.

Sector Allocation
Healthcare 99.6%
Technology 0.4%