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RTW INVESTMENTS, LP

Q2 2026 · Filed 2026-08-14
Market Value
$11.4B
+14.5%
Holdings
93
New Purchases
9
Added To
25
Closed
13
Reduced
8
Top 10 Concentration
49.2%
Turnover
23.7%

Top Buys (by % of Portfolio)

SymbolCur %Prior %Chg %Value
KLRA 2.09% 0.00% +2.09% $237M
ORKA 2.63% 1.02% +1.61% $299M
RARE 2.29% 0.77% +1.52% $260M
SYRE 3.32% 2.12% +1.20% $377M
TNGX 3.83% 2.81% +1.02% $435M
GPCR 0.76% 0.00% +0.76% $86M
CMPS 1.33% 0.59% +0.74% $151M
GH 1.96% 1.38% +0.58% $222M
ARGX 5.80% 5.22% +0.57% $658M
GHRS 1.40% 0.84% +0.56% $160M
CGON 5.33% 4.77% +0.56% $605M
ESTA 2.01% 1.52% +0.49% $228M
NBIX 1.88% 1.41% +0.47% $214M
AXGN 0.41% 0.00% +0.41% $47M
DHR 0.39% 0.00% +0.39% $44M

Top Sells (by % of Portfolio)

SymbolCur %Prior %Chg %Value
INSM 4.55% 7.99% -3.44% $516M
APGE 0.00% 2.36% -2.36% $0
APLS 0.00% 1.50% -1.50% $0
COGT 0.79% 2.12% -1.33% $89M
MDGL 9.43% 10.52% -1.10% $1.1B
ISRG 0.00% 1.02% -1.02% $0
CNTA 0.00% 0.82% -0.82% $0
CRNX 0.00% 0.53% -0.53% $0
TARS 1.86% 2.37% -0.51% $211M
CELC 3.04% 3.50% -0.45% $346M
WAY 0.00% 0.40% -0.40% $0
HNGE 0.37% 0.75% -0.39% $42M
ARWR 0.00% 0.37% -0.37% $0
SYK 0.00% 0.33% -0.33% $0
STOK 1.62% 1.85% -0.23% $184M

Sector Allocation Over Time

Market Cap Concentration

TierHoldingsValueWeight
Large Cap 11 $3.2B 27.9%
Mid Cap 36 $5.6B 49.7%
Small Cap 35 $2.4B 21.2%
Micro Cap 11 $139M 1.2%

Portfolio Analytics

Avg Market Cap
$9.2B
Median Market Cap
$2.0B
Avg P/E
80.3
Median P/E
40.1
Avg Dividend Yield
0.01%
Avg Beta
0.93
# 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 9.43% 1,993,687 $1.1B $536.95 $27M — —
2 ARGX 5.80% 709,446 $658M $927.77 $140M — —
3 PTCT 5.56% 7,746,415 $632M $81.57 $104M — —
4 PTGX 5.46% 5,061,175 $620M $122.58 $87M +2,122 +0.0%
5 CGON 5.33% 8,514,590 $605M $71.05 $132M +1,529,782 +21.9%
6 INSM 4.55% 4,842,880 $516M $106.62 -$276M — —
7 TNGX 3.83% 13,900,620 $435M $31.26 $156M +600,000 +4.5%
8 SYRE 3.32% 4,251,996 $377M $88.78 $167M +80,000 +1.9%
9 CELC 3.04% 3,304,903 $346M $104.62 -$1M +265,282 +8.7%
10 ERAS 2.90% 17,946,754 $329M $18.32 $67M +1,789,579 +11.1%
11 RDNT 2.63% 4,846,958 $299M $61.67 $59M +561,958 +13.1%
12 ORKA 2.63% 3,139,030 $299M $95.17 $198M +1,080,882 +52.5%
13 NTRA 2.39% 1,000,000 $271M $271.45 $21M -250,000 -20.0%
14 RARE 2.29% 7,796,895 $260M $33.39 $184M +4,148,100 +113.7%
15 IRTC 2.29% 2,182,631 $260M $118.95 $63M +514,131 +30.8%
16 CYTK 2.15% 2,862,003 $244M $85.19 $64M +140,845 +5.2%
17 KLRA 2.09% 10,776,820 $237M $22.03 — +10,776,820 — NEW
18 ESTA 2.01% 2,655,695 $228M $85.81 $77M — —
19 GH 1.96% 1,481,033 $222M $150.03 $85M — —
20 NBIX 1.88% 1,267,925 $214M $168.54 $74M +205,853 +19.4%
21 TARS 1.86% 3,357,059 $211M $62.94 -$23M +11,034 +0.3%
22 STOK 1.62% 5,623,525 $184M $32.72 $900K — —
23 ACAD 1.59% 7,144,524 $181M $25.30 $22M — —
24 RGEN 1.49% 1,240,637 $169M $136.44 $27M +34,637 +2.9%
25 GHRS 1.40% 5,933,815 $160M $26.88 $76M — —
26 IMCR 1.36% 4,869,798 $155M $31.75 $8M — —
27 CMPS 1.33% 10,700,974 $151M $14.15 $93M +68,584 +0.7%
28 IMTX 1.15% 12,946,176 $131M $10.13 $5M +76,836 +0.6%
29 ZLAB 1.10% 6,574,032 $125M $19.00 $1M — —
30 IMVT 1.08% 3,177,849 $122M $38.53 $44M — —
31 BLTE 0.97% 715,332 $110M $153.98 -$4M — —
32 XNCR 0.96% 6,777,461 $109M $16.10 $27M — —
33 TSHA 0.81% 13,560,258 $92M $6.81 $31M -119,990 -0.9%
34 COGT 0.79% 2,309,021 $89M $38.70 -$121M -3,149,654 -57.7%
35 ALKS 0.77% 1,672,356 $88M $52.40 $28M — —
36 GPCR 0.76% 1,607,507 $86M $53.67 — +1,607,507 — NEW
37 REPL 0.72% 7,411,581 $82M $11.07 $26M +54,665 +0.7%
38 CSTL 0.58% 2,778,335 $66M $23.85 -$1M +20,000 +0.7%
39 CADL 0.58% 6,422,018 $66M $10.30 $35M — —
40 RCKT 0.53% 17,687,772 $60M $3.42 -$3M — —
41 KOD 0.51% 1,487,934 $58M $38.96 $1M — —
42 AKTS 0.45% 1,592,043 $51M $32.23 $23M — —
43 AXGN 0.41% 1,011,576 $47M $46.19 — +1,011,576 — NEW
44 DHR 0.39% 230,000 $44M $190.48 — +230,000 — NEW
45 CGEM 0.38% 2,364,347 $43M $18.21 $19M +658,387 +38.6%
46 NGNE 0.38% 1,362,456 $43M $31.45 $15M — —
47 HNGE 0.37% 500,000 $42M $83.00 -$33M -1,430,000 -74.1%
48 OBIO 0.36% 9,556,063 $41M $4.32 $6M +1,250,000 +15.1%
49 SLDB 0.34% 3,892,926 $39M $9.99 — +3,892,926 — NEW
50 SVRA 0.32% 5,952,380 $37M $6.16 $4M — —
51 AQST 0.27% 7,426,471 $31M $4.16 $74K — —
52 KYMR 0.24% 240,000 $28M $114.67 $8M — —
53 VSTM 0.22% 6,635,793 $25M $3.82 -$10M +59,487 +0.9%
54 DNTH 0.21% 248,063 $24M $97.48 $3M — —
55 BBNX 0.21% 1,500,000 $24M $15.67 $3M -500,000 -25.0%
56 IPSC 0.19% 8,695,652 $21M $2.45 $2M — —
57 EVMN 0.18% 1,502,235 $20M $13.29 -$15M — —
58 BEAM 0.17% 570,394 $20M $34.32 $6M — —
59 DFTX 0.17% 400,000 $19M $47.04 $13M +100,000 +33.3%
60 IDYA 0.12% 370,370 $14M $37.27 — +370,370 — NEW
61 ATAI 0.09% 2,000,000 $11M $5.27 $3M — —
62 MIST 0.09% 7,833,336 $10M $1.34 $3M +1,502,335 +23.7%
63 OCGN 0.09% 6,666,666 $10M $1.53 -$2M — —
64 TENX 0.09% 696,570 $10M $14.55 $4M +326,324 +88.1%
65 HTFL 0.08% 295,000 $9M $29.34 -$3M -200,000 -40.4%
66 PCSC 0.07% 742,500 $8M $10.88 -$67K — —
67 LRMR 0.07% 2,565,999 $8M $3.05 $1M +1,065,999 +71.1%
68 LMRI 0.06% 650,000 $7M $11.28 $2M — —
69 ALLO 0.06% 3,250,000 $7M $2.08 — +3,250,000 — NEW
70 CBIO 0.06% 372,856 $7M $18.00 -$138K — —
71 FDMT 0.06% 475,737 $6M $13.30 $2M — —
72 MAZE 0.06% 212,000 $6M $29.84 — +212,000 — NEW
73 CAPR 0.05% 250,000 $6M $24.08 -$2M — —
74 KLRS 0.05% 1,300,000 $5M $4.07 -$2M — —
75 ABVX 0.03% 26,400 $4M $133.26 — +26,400 — NEW
76 AVTX 0.03% 175,000 $3M $18.48 -$10M -681,962 -79.6%
77 MDLN 0.02% 70,000 $3M $39.44 -$354K — —
78 IRON 0.02% 30,000 $2M $73.14 $276K — —
79 IMA 0.02% 334,445 $2M $5.90 $301K — —
80 XGN 0.01% 195,000 $907K $4.65 -$279K -200,231 -50.7%
81 SYK —% — — — -$33M -100,000 -100.0% SOLD
82 IVA —% — — — -$7M -1,298,702 -100.0% SOLD
83 CRNX —% — — — -$53M -1,451,326 -100.0% SOLD
84 JBIO —% — — — -$8M -573,205 -100.0% SOLD
85 FLGT —% — — — -$20M -1,289,000 -100.0% SOLD
86 ARWR —% — — — -$37M -585,682 -100.0% SOLD
87 OMDA —% — — — -$3M -200,000 -100.0% SOLD
88 ISRG —% — — — -$101M -220,000 -100.0% SOLD
89 APGE —% — — — -$234M -2,782,097 -100.0% SOLD
90 CNTA —% — — — -$82M -2,054,175 -100.0% SOLD
91 CMPX —% — — — -$22M -4,186,599 -100.0% SOLD
92 APLS —% — — — -$148M -3,685,045 -100.0% SOLD
93 WAY —% — — — -$39M -1,630,000 -100.0% SOLD

New Positions

SymbolValue% Port
KLRA $237M 2.09%
GPCR $86M 0.76%
AXGN $47M 0.41%
DHR $44M 0.39%
SLDB $39M 0.34%
IDYA $14M 0.12%
ALLO $7M 0.06%
MAZE $6M 0.06%
ABVX $4M 0.03%

Sold Out Positions

SymbolValue% Port
SYK — —%
FLGT — —%
ARWR — —%
IVA — —%
ISRG — —%
JBIO — —%
CMPX — —%
WAY — —%
OMDA — —%
APGE — —%
CRNX — —%
APLS — —%
CNTA — —%
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