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Home/Hedge Funds/RTW Investments/Q4 2021

RTW Investments

Period: Q4 2021 Β· Filed: 2022-02-14
View on SEC EDGAR β†—
AUM
$6.85B
Total portfolio value
Positions
124
Reported securities
Top Holding
SPY
6.2% $422.6M
QoQ Changes
+8 / -8
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 ( 2022-02-14) shown is the underlying stock price movement β€” not the derivative's P&L.
TickerIssuerNotionalPort %@ FilingNow (EOD)Since FilingAllocation
SPYSPDR S&P 500 ETF TR$422.6M6.17%$446.90$744.78+66.7%
6.2%
RCKTROCKET PHARMACEUTICALS INC$345.0M5.04%$21.83$3.84-82.4%
5.0%
ALNYALNYLAM PHARMACEUTICALS INC$335.1M4.89%$169.58$312.78+84.4%
4.9%
TMOTHERMO FISHER SCIENTIFIC INC$290.6M4.24%$658.54$523.44-20.5%
4.2%
MASIMASIMO CORP$248.9M3.63%$292.78β€”
3.6%
MRTXMIRATI THERAPEUTICS INC$229.1M3.34%β€”β€”
3.3%
PTCTPTC THERAPEUTICS INC$210.9M3.08%$39.83$83.31+109.2%
3.1%
ILMNILLUMINA INC$186.6M2.72%$370.08$188.68-49.0%
2.7%
PENPENUMBRA INC$178.4M2.60%$287.32$318.57+10.9%
2.6%
VCELVERICEL CORP$177.5M2.59%$39.30$46.98+19.5%
2.6%
TNDMTANDEM DIABETES CARE INC$174.7M2.55%$150.52$15.32-89.8%
2.5%
NTRANATERA INC$173.9M2.54%$93.39$279.32+199.1%
2.5%
ESTAESTABLISHMENT LABS HLDGS INC$156.8M2.29%$67.59$89.25+32.0%
2.3%
CLDXCELLDEX THERAPEUTICS INC NEW$151.5M2.21%$38.64$38.37-0.7%
2.2%
RXDXPROMETHEUS BIOSCIENCES INC$129.1M1.88%β€”β€”
1.9%
GMEDGLOBUS MED INC$120.6M1.76%$72.20$80.12+11.0%
1.8%
CYTKCYTOKINETICS INC$116.7M1.70%$45.58$86.49+89.8%
1.7%
RAREULTRAGENYX PHARMACEUTICAL IN$115.5M1.69%$84.09$33.47-60.2%
1.7%
RNAMAVIDITY BIOSCIENCES INC$114.0M1.66%β€”β€”
1.7%
ISEEIVERIC BIO INC$112.4M1.64%β€”β€”
1.6%
ARGXARGENX SE$111.2M1.62%$350.19$939.68+168.3%
1.6%
ITOSITEOS THERAPEUTICS INC$109.6M1.60%β€”β€”
1.6%
TXG10X GENOMICS INC$109.4M1.60%$148.96$39.01-73.8%
1.6%
AXNXAXONICS INC$108.9M1.59%β€”β€”
1.6%
APLSAPELLIS PHARMACEUTICALS INC$94.1M1.37%$47.28β€”
1.4%
PTGXPROTAGONIST THERAPEUTICS INC$88.9M1.30%$34.20$131.62+284.9%
1.3%
STOKSTOKE THERAPEUTICS INC$87.4M1.28%$23.99$32.70+36.3%
1.3%
GHGUARDANT HEALTH INC$81.3M1.19%$100.02$167.98+68.0%
1.2%
CCCCC4 THERAPEUTICS INC$80.3M1.17%$32.20$4.30-86.7%
1.2%
PMVPPMV PHARMACEUTICALS INC$68.9M1.01%$23.10$1.22-94.7%
1.0%

Quarter-on-Quarter Activity

Q4 2021 vs. Q3 2021

New Positions (8)

TickerIssuerNotionalSince Filing
RAREULTRAGENYX PHARMACEUTICAL IN$115.5M-60.2%
APLSAPELLIS PHARMACEUTICALS INC$94.1M
BCYCBICYCLE THERAPEUTICS PLC$52.9M
ACETADICET BIO INC$52.9M
SRPTSAREPTA THERAPEUTICS INC$52.4M
SNCESCIENCE 37 HOLDINGS INC$49.6M
VTYXVENTYX BIOSCIENCES INC$30.8M
QTRXQUANTERIX CORP$29.1M

Exited Positions (8)

TickerIssuerNotional
DRNADICERNA PHARMACEUTICALS INC$152.9M
INMDINMODE LTD$19.9M
LSAQLIFESCI ACQUISITION II CORP$9.6M
HLXAHELIX ACQUISITION CORP$7.4M
SRRKSCHOLAR ROCK HLDG CORP$5.3M
CELLBERKELEY LTS INC$5.0M
AFIBACUTUS MED INC$4.3M
APVOAPTEVO THERAPEUTICS INC$4.3M

Increased (8)

TickerIssuerNotionalShares Ξ”Since Filing
CTMXCYTOMX THERAPEUTICS INC$19.0M+330.4%
PMVPPMV PHARMACEUTICALS INC$44.7M+268.1%-94.7%
ARGXARGENX SE$68.8M+126.2%+168.3%
JNCEJOUNCE THERAPEUTICS INC$13.5M+105.1%
PENPENUMBRA INC$75.7M+61.2%+10.9%
PTGXPROTAGONIST THERAPEUTICS INC$57.8M+48.2%+284.9%
RLMDRELMADA THERAPEUTICS INC$8.9M+42.2%
CYTKCYTOKINETICS INC$45.3M+28.1%+89.8%

Trimmed (8)

TickerIssuerNotionalShares Ξ”
TNGXTANGO THERAPEUTICS INC$-5.8M-69.9%
RCELAVITA MEDICAL INC$-3.7M-61.9%
ABUSARBUTUS BIOPHARMA CORP$-10.6M-47.1%
AGENAGENUS INC$-28.7M-35.3%
BMEABIOMEA FUSION INC$-5.5M-28.5%
JNJJOHNSON & JOHNSON$-6.1M-26.6%
NSTGQNANOSTRING TECHNOLOGIES INC$-13.1M-24.9%
IDYAIDEAYA BIOSCIENCES INC$-23.7M-22.8%
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