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Home/Hedge Funds/RTW Investments/Q3 2023

RTW Investments

Period: Q3 2023 Β· Filed: 2023-11-14
View on SEC EDGAR β†—
AUM
$4.74B
Total portfolio value
Positions
67
Reported securities
Top Holding
RCKT
7.7% $362.4M
QoQ Changes
+8 / -5
new Β· exited
⚠️13F Filing Disclosure

AUM figures shown are calculated by summing the reported market value of all positions in SEC 13F-HR filings β€” not the fund's actual assets under management.

  • Excludes cash, bonds, private equity, short positions, and foreign-listed stocks not required to be reported.
  • For PUT and CALL options, the reported Value is the notional value of the underlying shares β€” not the option premium paid. This significantly overstates the actual capital at risk.
  • Actual fund AUM is typically higher and includes strategies, instruments, and positions that never appear in a 13F.
  • 13F filings cover institutional managers with β‰₯$100M in 13F securities. Positions reflect end-of-quarter holdings, disclosed up to 45 days after the period ends.

Data sourced from SEC EDGAR. This tracker is for informational purposes only and does not constitute investment advice.

Portfolio Holdings

Top 30 positions

⚠️ Performance % calculated from filing date ( 2023-11-14) shown is the underlying stock price movement β€” not the derivative's P&L.
TickerIssuerNotionalPort %@ FilingNow (EOD)Since FilingAllocation
RCKTROCKET PHARMACEUTICALS INC$362.4M7.65%$19.45$3.84-80.3%
7.7%
IMCRIMMUNOCORE HLDGS PLC$316.4M6.68%$48.02$32.50-32.3%
6.7%
AXSMAXSOME THERAPEUTICS INC$313.8M6.62%$66.85$244.31+265.5%
6.6%
ALNYALNYLAM PHARMACEUTICALS INC$298.1M6.29%$178.96$312.78+74.8%
6.3%
MRTXMIRATI THERAPEUTICS INC$294.8M6.22%β€”β€”
6.2%
ARGXARGENX SE$249.3M5.26%$487.32$939.68+92.8%
5.3%
ACADACADIA PHARMACEUTICALS INC$241.3M5.09%$21.47$25.97+21.0%
5.1%
BRKRBRUKER CORP$210.7M4.45%$61.49$61.64+0.2%
4.5%
RAREULTRAGENYX PHARMACEUTICAL IN$192.7M4.07%$34.80$33.47-3.8%
4.1%
PENPENUMBRA INC$162.9M3.44%$238.63$318.57+33.5%
3.4%
PTCTPTC THERAPEUTICS INC$162.1M3.42%$21.24$83.31+292.2%
3.4%
TMOTHERMO FISHER SCIENTIFIC INC$147.0M3.10%$491.39$523.44+6.5%
3.1%
MASIMASIMO CORP$131.7M2.78%$87.71β€”
2.8%
ESTAESTABLISHMENT LABS HLDGS INC$122.4M2.58%$45.39$89.25+96.6%
2.6%
NTRANATERA INC$117.3M2.48%$43.68$279.32+539.5%
2.5%
VCELVERICEL CORP$110.3M2.33%$33.19$46.98+41.5%
2.3%
SAGESAGE THERAPEUTICS INC$106.0M2.24%β€”β€”
2.2%
CLDXCELLDEX THERAPEUTICS INC NEW$95.3M2.01%$27.37$38.37+40.2%
2.0%
PTGXPROTAGONIST THERAPEUTICS INC$90.3M1.91%$16.34$131.62+705.5%
1.9%
CYTKCYTOKINETICS INC$75.8M1.60%$27.88$86.49+210.2%
1.6%
AVDLXXXXAVADEL PHARMACEUTICALS PLC$73.5M1.55%β€”β€”
1.6%
TXG10X GENOMICS INC$62.7M1.32%$40.49$39.01-3.7%
1.3%
TSHATAYSHA GENE THERAPIES INC$53.4M1.13%$2.88$6.53+126.7%
1.1%
TARSTARSUS PHARMACEUTICALS INC$51.2M1.08%$17.44$65.44+275.2%
1.1%
OBIOORCHESTRA BIOMED HLDGS INC$49.0M1.03%$8.62$4.19-51.4%
1.0%
INSMINSMED INC$47.1M0.99%$25.37$111.60+339.9%
1.0%
MRUSMERUS N V$47.1M0.99%β€”β€”
1.0%
APGEAPOGEE THERAPEUTICS INC$45.6M0.96%$20.40$132.91+551.5%
1.0%
MDGLMADRIGAL PHARMACEUTICALS INC$45.2M0.95%$143.36$528.10+268.4%
0.9%
RNAMAVIDITY BIOSCIENCES INC$42.7M0.90%β€”β€”
0.9%

Quarter-on-Quarter Activity

Q3 2023 vs. Q2 2023

New Positions (8)

TickerIssuerNotionalSince Filing
SAGESAGE THERAPEUTICS INC$106.0M
TSHATAYSHA GENE THERAPIES INC$53.4M+126.7%
APGEAPOGEE THERAPEUTICS INC$45.6M+551.5%
ALKSALKERMES PLC$24.9M
SWAVSHOCKWAVE MED INC$24.7M
ALURALLURION TECHNOLOGIES INC$14.9M
SYKSTRYKER CORPORATION$7.7M
SGMTSAGIMET BIOSCIENCES INC$3.5M

Exited Positions (5)

TickerIssuerNotional
HZNPHORIZON THERAPEUTICS PUB L$102.8M
ISRGINTUITIVE SURGICAL INC$58.1M
MRVIMARAVAI LIFESCIENCES HLDGS I$19.1M
BDTXBLACK DIAMOND THERAPEUTICS I$8.6M
MRSNMERSANA THERAPEUTICS INC$2.0M

Increased (8)

TickerIssuerNotionalShares Ξ”Since Filing
MRUSMERUS N V$19.4M+90.0%
INSMINSMED INC$26.0M+86.5%+339.9%
DSGNDESIGN THERAPEUTICS INC$-3.9M+60.8%
GHRSGH RESEARCH PLC$7.7M+53.4%
MRTXMIRATI THERAPEUTICS INC$133.2M+51.3%
MDGLMADRIGAL PHARMACEUTICALS INC$-6.0M+39.7%+268.4%
ACADACADIA PHARMACEUTICALS INC$7.0M+18.3%+21.0%
BRKRBRUKER CORP$-8.1M+14.3%+0.2%

Trimmed (6)

TickerIssuerNotionalShares Ξ”
OLKOLINK HLDG AB$-9.9M-75.0%
VKTXVIKING THERAPEUTICS INC$-13.3M-74.1%
ILMNILLUMINA INC$-44.7M-50.0%
AXNXAXONICS INC$-19.8M-50.0%
PMVPPMV PHARMACEUTICALS INC$-4.4M-21.6%
FULCFULCRUM THERAPEUTICS INC$5.8M-4.0%
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