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RTW INVESTMENTS, LP

Q1 2026 · Filed 2026-05-15
Market Value
$9.9B
+1.7%
Holdings
93
-3
New Purchases
9
Added To
30
Closed
9
Reduced
12
Top 10 Concentration
50.7%
Turnover
19.4%

Top Buys (by % of Portfolio)

SymbolCur %Prior %Chg %Value
CGON 4.77% 0.86% +3.91% $473M
CELC 3.50% 0.56% +2.94% $347M
TNGX 2.81% 0.14% +2.67% $278M
ERAS 2.64% 0.01% +2.63% $261M
PTGX 5.38% 4.53% +0.84% $533M
SYRE 2.12% 1.40% +0.72% $210M
HNGE 0.75% 0.17% +0.58% $74M
ISRG 1.02% 0.59% +0.43% $101M
WAY 0.40% 0.00% +0.40% $39M
ORKA 1.02% 0.64% +0.38% $101M
CNTA 0.82% 0.46% +0.36% $82M
CADL 0.32% 0.00% +0.32% $31M
AKTS 0.29% 0.00% +0.29% $28M
APGE 2.36% 2.10% +0.26% $234M
DNTH 0.21% 0.00% +0.21% $21M

Top Sells (by % of Portfolio)

SymbolCur %Prior %Chg %Value
PEN 0.00% 2.76% -2.76% $0
AXSM 0.00% 1.66% -1.66% $0
MDGL 10.52% 11.91% -1.39% $1.0B
NTRA 2.52% 3.53% -1.00% $250M
PODD 0.00% 0.95% -0.95% $0
MASI 0.00% 0.91% -0.91% $0
PTCT 5.32% 6.04% -0.72% $528M
INSM 7.99% 8.65% -0.66% $792M
COGT 2.12% 2.77% -0.65% $210M
ARGX 5.22% 5.81% -0.59% $518M
BBNX 0.20% 0.78% -0.58% $20M
RAPT 0.00% 0.57% -0.57% $0
SYK 0.33% 0.88% -0.55% $33M
APLS 1.50% 1.98% -0.48% $148M
RDNT 2.42% 2.88% -0.47% $239M

Sector Allocation Over Time

Market Cap Concentration

TierHoldingsValueWeight
Large Cap 13 $3.2B 31.9%
Mid Cap 36 $5.1B 51.8%
Small Cap 33 $1.4B 14.6%
Micro Cap 11 $179M 1.8%

Portfolio Analytics

Avg Market Cap
$8.5B
Median Market Cap
$2.7B
Avg P/E
79.1
Median P/E
41.4
Avg Dividend Yield
0.01%
Avg Beta
0.96
# Stocks
93
# ETFs / Funds
0

Top Holdings (93 total)

# Symbol % Port Shares Value Avg Price Q/Q Value Chg Share Chg Chg % Status
1 MDGL 10.52% 1,993,687 $1.0B $523.47 -$117M — —
2 INSM 7.99% 4,842,880 $792M $163.52 -$51M +1 —
3 PTGX 5.38% 5,059,053 $533M $105.40 $91M — —
4 PTCT 5.32% 7,746,415 $528M $68.13 -$61M — —
5 ARGX 5.22% 709,446 $518M $730.25 -$48M +35,949 +5.3%
6 CGON 4.77% 6,984,808 $473M $67.68 $389M +4,972,681 +247.1%
7 CELC 3.50% 3,039,621 $347M $114.14 $292M +2,489,461 +452.5%
8 TNGX 2.81% 13,300,620 $278M $20.92 $265M +11,809,392 +791.9%
9 ERAS 2.64% 16,157,175 $261M $16.18 $261M +16,010,524 +10917.4%
10 NTRA 2.52% 1,250,000 $250M $199.99 -$94M -250,000 -16.7%
11 RDNT 2.42% 4,285,000 $239M $55.89 -$42M +346,500 +8.8%
12 TARS 2.37% 3,346,025 $235M $70.15 -$38M +10,705 +0.3%
13 APGE 2.36% 2,782,097 $234M $84.17 $29M +70,000 +2.6%
14 SYRE 2.12% 4,171,996 $210M $50.44 $74M — —
15 COGT 2.12% 5,458,675 $210M $38.49 -$60M -2,133,566 -28.1%
16 IRTC 1.99% 1,668,500 $197M $118.02 -$13M +486,510 +41.2%
17 STOK 1.85% 5,623,525 $183M $32.56 $7M +76,669 +1.4%
18 CYTK 1.81% 2,721,158 $179M $65.91 $6M — —
19 ACAD 1.60% 7,144,524 $159M $22.26 -$32M — —
20 ESTA 1.52% 2,655,695 $151M $56.78 -$38M +66,864 +2.6%
21 APLS 1.50% 3,685,045 $148M $40.23 -$44M -3,981,719 -51.9%
22 IMCR 1.48% 4,869,798 $147M $30.15 -$22M — —
23 RGEN 1.43% 1,206,000 $142M $117.82 -$32M +142,000 +13.3%
24 NBIX 1.41% 1,062,072 $140M $131.74 -$11M — —
25 GH 1.38% 1,481,033 $137M $92.37 -$14M — —
26 IMTX 1.28% 12,869,340 $127M $9.84 $7M +1,435,986 +12.6%
27 ZLAB 1.25% 6,574,032 $124M $18.81 $900K -385,000 -5.5%
28 BLTE 1.15% 715,332 $114M $159.44 -$372K — —
29 ISRG 1.02% 220,000 $101M $460.99 $44M +118,772 +117.3%
30 ORKA 1.02% 2,058,148 $101M $49.05 $39M — —
31 GHRS 0.84% 5,933,815 $83M $14.06 $8M — —
32 XNCR 0.82% 6,777,461 $82M $12.06 -$22M — —
33 CNTA 0.82% 2,054,175 $82M $39.72 $37M +263,338 +14.7%
34 IMVT 0.80% 3,177,849 $79M $24.84 -$2M -1 —
35 RARE 0.77% 3,648,795 $76M $20.95 $7M +648,656 +21.6%
36 HNGE 0.75% 1,930,000 $74M $38.56 $58M +1,576,500 +446.0%
37 CSTL 0.68% 2,758,335 $68M $24.55 -$15M +643,098 +30.4%
38 RCKT 0.64% 17,687,772 $63M $3.58 $1M — —
39 TSHA 0.62% 13,680,248 $61M $4.47 -$29M -2,718,049 -16.6%
40 ALKS 0.60% 1,672,356 $59M $35.36 $12M — —
41 CMPS 0.59% 10,632,390 $59M $5.53 -$2M +1,875,000 +21.4%
42 KOD 0.57% 1,487,934 $57M $38.12 $15M +1 —
43 REPL 0.57% 7,356,916 $56M $7.65 -$13M +216,564 +3.0%
44 CRNX 0.53% 1,451,326 $53M $36.32 -$10M +100,000 +7.4%
45 WAY 0.40% 1,630,000 $39M $24.11 — +1,630,000 — NEW
46 ARWR 0.37% 585,682 $37M $62.70 -$2M +966 +0.2%
47 OBIO 0.36% 8,306,063 $35M $4.25 $831K — —
48 VSTM 0.35% 6,576,306 $35M $5.30 -$16M — —
49 EVMN 0.35% 1,502,235 $35M $22.99 $13M +218,564 +17.0%
50 SYK 0.33% 100,000 $33M $328.59 -$53M -145,000 -59.2%
51 SVRA 0.33% 5,952,380 $32M $5.46 -$3M — —
52 CADL 0.32% 6,422,018 $31M $4.90 — +6,422,018 — NEW
53 AQST 0.31% 7,426,471 $31M $4.15 -$10M +1,176,471 +18.8%
54 AKTS 0.29% 1,592,043 $28M $17.89 — +1,592,043 — NEW
55 NGNE 0.28% 1,362,456 $27M $20.16 -$599K — —
56 CGEM 0.24% 1,705,960 $24M $14.21 $7M — —
57 CMPX 0.22% 4,186,599 $22M $5.29 $9M +1,686,599 +67.5%
58 DNTH 0.21% 248,063 $21M $83.92 — +248,063 — NEW
59 FLGT 0.21% 1,289,000 $20M $15.90 $2M +583,973 +82.8%
60 BBNX 0.20% 2,000,000 $20M $10.02 -$56M -500,000 -20.0%
61 KYMR 0.20% 240,000 $20M $83.29 $1M — —
62 IPSC 0.20% 8,695,652 $20M $2.26 — +8,695,652 — NEW
63 BEAM 0.14% 570,394 $14M $23.83 -$2M — —
64 AVTX 0.13% 856,962 $13M $14.93 — +856,962 — NEW
65 OCGN 0.12% 6,666,666 $12M $1.81 — +6,666,666 — NEW
66 HTFL 0.12% 495,000 $12M $24.33 -$2M — —
67 PCSC 0.08% 742,500 $8M $10.97 -$2M — —
68 JBIO 0.08% 573,205 $8M $14.05 -$14M -876,068 -60.5%
69 CAPR 0.08% 250,000 $8M $30.40 $385K — —
70 MIST 0.08% 6,331,001 $8M $1.19 $2M +3,824,899 +152.6%
71 KLRS 0.08% 1,300,000 $8M $5.77 -$3M — —
72 IVA 0.07% 1,298,702 $7M $5.55 $1M +1 —
73 ATAI 0.07% 2,000,000 $7M $3.54 — +2,000,000 — NEW
74 CBIO 0.07% 372,856 $7M $18.37 $2M — —
75 LRMR 0.07% 1,500,000 $7M $4.50 -$5M -1,625,000 -52.0%
76 TENX 0.06% 370,246 $6M $15.99 $1M -8,100 -2.1%
77 DFTX 0.06% 300,000 $6M $18.90 — +300,000 — NEW
78 LMRI 0.06% 650,000 $6M $8.60 -$6M — —
79 FDMT 0.04% 475,737 $4M $9.31 $861K — —
80 MDLN 0.03% 70,000 $3M $44.50 $175K — —
81 OMDA 0.03% 200,000 $3M $12.57 -$642K — —
82 IRON 0.02% 30,000 $2M $63.94 -$464K — —
83 IMA 0.02% 334,445 $2M $5.00 -$635K — —
84 XGN 0.01% 395,231 $1M $3.00 -$4M -395,231 -50.0%
85 MASI —% — — — -$89M -683,294 -100.0% SOLD
86 PEN —% — — — -$269M -866,499 -100.0% SOLD
87 RAPT —% — — — -$55M -1,637,165 -100.0% SOLD
88 GPCR —% — — — -$7M -100,000 -100.0% SOLD
89 CRVS —% — — — -$3M -447,607 -100.0% SOLD
90 PODD —% — — — -$92M -324,600 -100.0% SOLD
91 AXSM —% — — — -$162M -888,001 -100.0% SOLD
92 IQV —% — — — -$10M -46,000 -100.0% SOLD
93 TEM —% — — — -$12M -200,000 -100.0% SOLD

New Positions

SymbolValue% Port
WAY $39M 0.40%
CADL $31M 0.32%
AKTS $28M 0.29%
DNTH $21M 0.21%
IPSC $20M 0.20%
AVTX $13M 0.13%
OCGN $12M 0.12%
ATAI $7M 0.07%
DFTX $6M 0.06%

Sold Out Positions

SymbolValue% Port
IQV — —%
PEN — —%
AXSM — —%
GPCR — —%
PODD — —%
CRVS — —%
TEM — —%
RAPT — —%
MASI — —%
View SEC EDGAR Filings for RTW INVESTMENTS, LP →

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For informational purposes only. Not investment advice. Data sourced from SEC filings. Privacy Terms