MGLN
Magellan Health Services, Inc.
stock NASDAQ

*here is a detailed breakdown of the most notable position changes among marquee hedge funds:*
APPALOOSA
* Top new buys: ALIT, WMT, OVV
* Top exits: EMR, NFLX, BP, RDS/A, RDS/B
* Boosted stakes in: M, GT, EQT, AR, GOOG, XOP, OXY, KSS, DHI, PHM
* Cut stakes in: MU, AMZN, BABA, PCG, FB, ET, TWTR, UBER, FCX, XLE
BAUPOST GROUP
* Top new buys: DBX, JOBY, LFG, OB
* Top exits: AUR, CZOO
* Boosted stakes in: SSNC, VRNT, TBPH
* Cut stakes in: EBAY, PCG, WLTW, QRVO, INTC, IFF, PSTH
BERKSHIRE HATHAWAY
* Top new buys: RPRX, FND
* Top exits: MRK, LBTYK, OGN
* Boosted stakes in: CVX
* Cut stakes in: ABBV, CHTR, BMY, V, MA, MMC, USB
COATUE MANAGEMENT
* Top new buys: MSFT, BLND, AFRM, BEKE, NTLA, ABSI, HOOD, TOST, CRBU, SUNL
* Top exits: DDOG, CHPT, ROOT, AI, LMND, SKLZ, LAZR, COIN, MVIS, SOFI
* Boosted stakes in: BZ, MQ, JD, CFLT, DDL, SNAP, GH, CVAC, LI, RBLX
* Cut stakes in: AMZN, NUAN, RUN, SQ, PYPL, TSLA, SHOP, PTON, Z, FB
CORVEX MANAGEMENT
* Top new buys: FIVN, UBER, USFD, SMFR, SLGC, SKYA, SRAD, APO
* Top exits: DOMA, TWND, HZON, ROVR, CZOO, LIDR, XME, LGV
* Boosted stakes in: ZNGA, CRM, MSFT, JPM, FB, DIS, CCEP
* Cut stakes in: ATUS, EXC, TMUS, BLMN, AMZN, GOOGL
D1 CAPITAL PARTNERS
* Top new buys: HOOD, WRBY, TXRH, NFLX, OPEN, PH, TPX, MASI, NTES, SGHT
* Top exits: BKNG, U, CMG, DECK, TUYA, BHG, LTCH, BZ, FUTU, WDH
* Boosted stakes in: EXPE, STNE, TMUS, DIS, BBWI, BLL, FTV, PTON, PODD, PINS
* Cut stakes in: AMZN, FB, SNOW, EW, MSFT, CVNA, PCOR, DHR, CRWD, SQSP
DUQUESNE FAMILY OFFICE
* Top new buys: CPNG, LYV, ZM, PRCT, OSCR, STNE, ABCL, FSLY, LAD, CFLT
* Top exits: NFLX, CMI, GE, MA, V, USFD, CAT, GM, ON, BLDR
* Boosted stakes in: GOOGL, EXPE, BKNG, DISH, OPCH, FTCH, COUP, AMZN, RETA
* Cut stakes in: MSFT, TMUS, CVNA, PLTR, TECK, FB, FCX, INTU, PENN, SMAR
ELLIOTT INVESTMENT MANAGEMENT
* Top new buys: SC, CTXS, HTA, VAL, APA, 1865300D
* Top exits: EDR, SNAP, DBX, PINS, TTD, HRB
* Cut stakes in: ARNC, FYBR, ETWO, BTU
GREENLIGHT CAPITAL
* Top new buys: SLV, FREY, SNAX
* Top exits: SPY, JOBY, SNX, OPAD, DNA, CCCS, APG, IONQ, XOS, UWMC
* Boosted stakes in: TECK, ODP, BHF, LIVN, MYPS, SONO, GLD, CPRI, JACK, CHNG
* Cut stakes in: CNXC, CC, REZI, FUBO, SATS, AER, EXPE, ADMP, AGCB, GPOR
ICAHN
* Top new buys: SWX
* Boosted stakes in: DAN, IEP
* Cut stakes in: OXY
JANA PARTNERS
* Top new buys: M, VVV, BKSY
* Boosted stakes in: THS, VG, CONE
* Cut stakes in: SPY, LH, EHC
LANSDOWNE
* Top new buys: WRK, FSLR, CTRA, CF, AGI, CCJ
* Top exits: LRCX, MU, AER, UAL, LUV, ENIA, TMUS, RBLX, SSO, UVXY
* Boosted stakes in: NVT, ILMN, GE, TSM, ADI, BKNG, IEUR
* Cut stakes in: FCX, CARR, ETN, VMC, AMAT, DAL, RYAAY, EGO, OTIS, WMG
MAVERICK CAPITAL
* Top new buys: INST, CRBU, EHTH, SPIR, STZ, CCL, AAP, SHW, OLPX, PZZA
* Top exits: BABA, AON, BECN, CZOO, TSM, HIMS, DGNS, SBUX, XMTR, KVSA
* Boosted stakes in: V, WDAY, SE, ATVI, CRIS, LRCX, RCKT, NFLX, TWLO, DECK
* Cut stakes in: CPNG, FB, LIVN, ALNY, ADSK, FLT, IFF, GOOG, CCK, MELI
MELVIN CAPITAL MANAGEMENT
* Top new buys: AFRM, MAR, SQ, MCD, ASML, VSCO, WMG, CRL, BURL, OLPX
* Top exits: V, JD, PYPL, LVS, ADSK, CRWD, NTES, TGT, UBER, SHOP
* Boosted stakes in: SNAP, BILL, MA, BBWI, LYV, HLT, FB, DT, EFX, DDOG
* Cut stakes in: AMZN, EXPE, FICO, GOOGL, ALGN, ATVI, USFD, VMEO, VAC, IAA
OMEGA ADVISORS
* Top new buys: LVS
* Top exits: FOE, CS, PNTM, CRBN, JWSM, ANAC, APSG
* Boosted stakes in: CTRA, BHC, PFSI, WSC, GM, DMAC, VRT, SRGA, FLMN, ASPU
* Cut stakes in: NAVI, MP, OCN, BBDC, TRN, FCRD, ABR
SOROBAN CAPITAL
* Top new buys: RKLB, ALCC, LICY, CPAR, POND
* Top exits: ATUS, DOMA, SPIR, ATIP, VYGG, ME, PAYO, SUNL, BGRY, TALK
* Boosted stakes in: UNP, PLNT, WAB, MA, CSX, LOW, FB, V, KIND, ML
* Cut stakes in: ADI, AMZN, MSFT, NFLX
SOROS FUND MANAGEMENT
* Top new buys: HRC, JPM, UNH, CPNG, EQT, XLE, GS, HYZN, MTB, INTU
* Top exits: OTIS, QS, CLVT, IFF, W, UPST, AXTA, TXN, S, NXPI
* Boosted stakes in: INFO, NUAN, PPD, ARMK, CRM, ACN, GM, SYF, BKNG, VICI
* Cut stakes in: FIGS, QQQ, ATVI, MGLN, ELAN, AMZN, DIS, LBRDK, GOOGL, XLU
STARBOARD VALUE 
* Top new buys: HUN, CYXT, BRDS, ENFA, VPCC, TREB, DKDCA, BTTX, HCIC, CPAR
* Top exits: IWN, KVSC, ROIV, STRC, OPAD, LILM, RBOT, SPIR, ROVR, GDEV
* Boosted stakes in: IWM, AUS, MTAC, KVSB, LNFA, FVT, TWND, PLMI, PRPB, ACAH
* Cut stakes in: MD, BOX, CTVA, IWR, ELAN, PZZA, ACM, MMSI, ON
TEMASEK HOLDINGS
* Top new buys: ETWO, USIG, ONEM, BLND, POSH, DUOL, IRNT, HLTH, PATH, MNDY
* Top exits: CTVA, SOFI, COPX, PICK, KREF, BIDU, TAL, BZ, EDU, MSFT
* Boosted stakes in: GOVT, SCHP, GRCL, BGNE, SNOW, IAU, XME, FIXX, EWY, AFRM
* Cut stakes in: BABA, INFO, RBLX, DIDI, ABNB, MA, DCT, NTLA, LCTU, CRM
TIGER GLOBAL
* Top new buys: WRBY, HOOD, BLND, VTEX, MTTR, SPIR, TOST, BKSY, AVPT, ALCC
* Top exits: TAL
* Boosted stakes in: SNOW, SE, DASH, DDOG, OZON, WDAY, XM, SQ, OSCR, ONTF
* Cut stakes in: RBLX, APO, PTON, JD, SPOT, YSG, UBER, CVNA, INTU, DESP

Highlights from 2021 Q3 filing as compared to Q2 2021:
*New positions in:* HYZN (~0.95 mln), EQT (~0.53 mln), HRC (~0.52 mln), CPNG (~0.5 mln), IVAN (~0.5 mln), FSR (~0.32 mln)
*Increased positions in:* NUAN (to ~2.85 mln shares from ~1.35 mln shares), INFO (to ~2.44 mln from ~1.35 mln), ARMK (to ~3.07 mln from ~2.25 mln), PPD (to ~2.8 mln from ~2.09 mln), VICI (to ~1.3 mln from ~1 mln), BGCP (to ~3.12 mln from ~2.82 mln), GM (to ~0.8 mln from ~0.57 mln) SYF (to ~0.9 mln from ~0.75 mln), ASO (to ~0.44 mln from ~0.31 mln), TMUS (to ~0.54 mln from ~0.45 mln)
*Maintained positions in:* PTRA (~7.75 mln shares), DHI (~4.32 mln shares), MQ (~4 mln shares), LBRDK (~3.9 mln shares), FIGS (~3.12 mln shares), IGSB (~1.11 mln shares), LQD (~0.58 mln shares)
*Closed positions in:* CLVT (from ~1.45 mln shares), OTIS (from ~0.6 mln), AXTA (from ~0.49 mln), S (from ~0.28 mln), PSFE (from ~0.27 mln), MGM (from ~0.2 mln), UPST (from ~0.15 mln), LU (from ~0.15 mln), ATUS (from ~0.13 mln), LVS (from ~0.12 mln)
*Decreased positions in:* ELAN (to ~1.65 mln shares from ~2.25 mln shares), OPEN (to ~1.34 mln from ~1.8 mln), MGLN (to ~0.03 mln from ~0.38 mln), EQH (to ~0.33 mln from ~0.49 mln), XLU (to ~0.05 mln from ~0.2 mln), HAIN (to ~1.22 mln from ~1.35 mln), OMF (to ~0.33 mln from ~0.45 mln), DIS (to ~0.25 mln from ~0.36 mln)