Joel Greenblatt

**Joel Greenblatt** (an haife shi a ranar 13 ga Disamba, 1957) ƙwararren masani ne a Amurka, manajan asusun hedge, mai saka hannun jari, kuma marubuci. Shi mai saka hannun jari ne mai daraja, tsohon ɗalibi na Makarantar Wharton ta Jami'ar Pennsylvania, kuma farfesa ne mai taimako a Makarantar Digiri na Kasuwanci ta Jami'ar Columbia . Yana gudanar da Gotham Asset Management tare da abokin aikinsa, Robert Goldstein. Shi ne tsohon shugaban kwamitin Alliant Techsystems (1994–1995)  kuma wanda ya kafa Kamfanin Auction Corporation na New York Securities. Ya kasance darakta a Pzena Investment Management, wani kamfani da ya ƙware a fannin saka hannun jari mai daraja da kuma kula da kadarori ga abokan ciniki masu daraja. 

## Rayuwar farko da ilimi
An haifi Greenblatt a Great Neck, New York . Greenblatt ya kammala karatunsa a Makarantar Wharton da ke Jami'ar Pennsylvania, inda ya sami digirinsa na BS, *summa cum laude*, a shekarar 1979 da kuma MBA a shekarar 1980.  A Wharton, an buga takardarsa tare da Rich Pzena da Bruce Newberg, "Yadda ƙaramin mai zuba jari zai iya doke kasuwa," a cikin *Mujallar Gudanar da Fayiloli* .  Greenblatt ya yi shekara ɗaya yana karatun lauya a Makarantar Shari'a ta Stanford da ke California kafin ya daina zuwa neman aiki a fannin kuɗi. 

## Sana'a a fannin kuɗi

### Daga Gotham Capital Zuwa Gotham Asset Management
A shekarar 1985, Greenblatt ta fara wani asusun hedge, Gotham Capital, da dala miliyan 7, wanda mafi yawansu "sarkin jarin da ba a biya ba " Michael Milken ne ya samar da su.  Robert Goldstein ya shiga Gotham Capital a shekarar 1989.  A Gotham Capital tsakanin 1985 da 1994, Greenblatt ya jagoranci ribar da aka samu a kowace shekara ta kashi 50% "bayan duk kuɗaɗen" amma "kafin rabon ƙarfafa gwiwa na abokin tarayya"; ko kuma kashi 30%, daga cikin dukkan kuɗaɗen.  ) Gotham ya ƙware a "yanayi na musamman" kamar gyare-gyare da sauran gyare-gyaren kamfanoni".  A watan Janairun 1995, Gotham ya dawo da dukkan jarin abokan hulɗa na waje (kimanin dala miliyan 500). 

Daga 1995 zuwa 2009, an rufe Gotham Capital ga masu zuba jari na waje. 

A shekara ta 2000, Gotham Capital ta taimaka wa Michael Burry wajen ƙirƙirar asusun ajiyarsa na Scion Capital ta hanyar siyan kashi 25% na jarinsa akan dala miliyan ɗaya bayan haraji.  A watan Oktoba na 2006, jarin Gotham a cikin asusun da Scion ke gudanarwa ya kai dala miliyan 100.  Gotham ya fita daga jarinsa a cikin asusun da Scion Capital ke gudanarwa da kuma a matsayin mai hannun jari.

A shekara ta 2008, an ƙirƙiri Gotham Asset Management, LLC a matsayin "magajin kasuwancin ba da shawara kan saka hannun jari na Gotham Capital".  A shekara ta 2010, Gotham ya fara asusun haɗin gwiwa guda huɗu na yau da kullun don tara dala miliyan 360.  Ya zuwa watan Disamba na 2021, Gotham Asset Management, LLC ta sami dala biliyan 3.74.    

### Farfesa Mai Zuba Jari Mai Daraja
Greenblatt ya yi aiki a matsayin farfesa mai taimako yana koyar da azuzuwan saka hannun jari ga ɗaliban MBA a Makarantar Kasuwanci ta Digiri na biyu ta Jami'ar Columbia tsawon sama da shekaru 20.  

### Ƙungiyar Masu Zuba Jari Masu Daraja
Greenblatt sun kafa wani gidan yanar gizo tare da John Petry mai suna Value Investors Club,  inda masu zuba jari suka amince da tsarin musayar darajar aikace-aikacen da kuma ra'ayoyin saka hannun jari na musamman. Membobin ƙungiyar sun iyakance ga mambobi 250 kuma ana ɗaukar su a matsayin masu daraja sosai.  Wani bincike na ilimi na 2012 ya nuna cewa shawarwarin membobin ƙungiyar a zahiri suna haifar da babbar riba mara kyau.  Ƙungiyar tana ba da kyautar $5000 sau biyu a wata ga membobin da suka ba da shawara mafi kyau. 

### Tsarin Sihiri Zuba Jari
Littafin Greenblatt mai *suna The Little Book That Beats the Market* (Wiley, 2005 & 2010) ya gabatar da dabarun saka hannun jari na " sihiri formula investing ", wata hanya ta tantance hannun jari da za a saya: "kamfanoni masu araha da kyau" waɗanda ke da yawan riba mai yawa da kuma babban riba akan jarin da aka zuba . An nuna dabarunsa a cikin *The Guru Investor* na John P. Reese . Nazarce-nazarce da dama daga ko'ina cikin duniya sun gano cewa dabarar Greenblat tana haifar da rashin aiki na dogon lokaci idan aka kwatanta da matsakaicin kasuwa, amma kuma tana da alaƙa da babban canjin ɗan gajeren lokaci da raguwar farashi mai kaifi saboda tsarinsa na hannun jari 20-30.    

A watan Oktoban 2009, Greenblatt ya ƙaddamar da gidan yanar gizo na Formula Investing, yana samar da kayan aiki na kan layi wanda ke bin dabarun saka hannun jari da aka bayyana a cikin littafinsa.

## Marubuci
An fitar da littafin Greenblatt na farko, *You Can Be a Stock Market Genius: Uncover the Secret Hiding Places of Stock Market Ribas*, a shekarar 1997. Greenblatt ya buga littafinsa na biyu, *The Little Book That Beats the Market* a shekarar 2005, wani littafi mafi sayarwa na New York Times wanda ya sayar da kwafi sama da 300,000. Bayan rikicin kuɗi na 2008, an sabunta *littafin The Little Book* kuma an sake fitar da shi a shekarar 2010 a matsayin *The Little Book that Still Beats the Market* . 

Littafin Greenblatt, *Babban Sirri ga Ƙaramin Mai Zuba Jari: Sabuwar Hanya Zuwa Nasarar Zuba Jari Na Dogon Lokaci*, an fitar da shi a shekarar 2011. 

A shekarar 2020, Greenblatt ya raba ra'ayin wani mai zuba jari kan gina tattalin arziki wanda zai yi aiki ga kowa a cikin littafinsa *Common Sense: Jagorar Masu Zuba Jari ga Daidaito, Dama, da Ci Gaba.* 

## Taimakon jama'a
A shekara ta 2002, Greenblatt ta bayar da gudummawar dala miliyan 2.5 ga PS 65Q, wata makarantar firamare ta gwamnati da ke gundumar Queens, wacce ɗalibanta suka fito daga al'ummomin baƙi na Kudancin Amurka da Kudancin Asiya. Wannan jarin ya yi daidai da kusan dala 1,000 ga kowane ɗalibi a kowace shekara tsawon shekaru biyar.

A shekara ta 2006, Greenblatt ya kafa tare da haɗin gwiwar Makarantar Yarjejeniyar Success Academy, wacce a lokacin ake kira Makarantar Yarjejeniyar Harlem Success Academy, wata makarantar firamare a cikin unguwannin Baƙar fata-Amurkawa na birnin. 

Ya kuma yi aiki a kwamitin gudanarwa na Cibiyar Nasarar Dalibai da Makarantar Davidson ta Makarantar Tauhidin Yahudawa. 

A tsakanin 2007 da 2008, Joel Greenblatt, Robert Goldstein da Gary Curhan sun ƙirƙiri wani gidan yanar gizo, wanda ƙungiyar Value Investors Club ta yi wahayi zuwa gare shi, don haɓaka raba ra'ayoyi don ci gaba da binciken cutar kansa.   An ba Alexander Varshavsky kyautar Gotham Prize miliyan 1 don Binciken Ciwon daji a 2008 saboda ƙoƙarin neman wata alama mai yuwuwar rauni ta ƙwayoyin cutar kansa waɗanda ba za su canza ba yayin ci gaban ciwon daji. 

Greenblatt babbar ƙungiyar 'yan wasa ce ta farko a gasar cinikin hannun jari ta yanar gizo mai suna "Portfolios with Purpose" . 

## Littattafan tarihi

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*   Updated 2010 version : *The Little Book that Still Beats the Market*. .
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## Manazarta