Amaranth Advisors

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Amaranth Advisors
IndustryHedge funds
Founded2000 (2000) in Greenwich, CT, United States
FounderNicholas Maounis[1]
DefunctSeptember 2007 (2007-09)
Number of locations
Houston, London, Singapore, Toronto, Greenwich[2] (2006)
Key people
  • • Robert Jones (Chief Risk Officer)[3]
  • • Charles H. Winkler (COO)[2]
AUMUS$9.2 billion (at its peak Aug 2006)[1]

Amaranth Advisors LLC was an American multi-strategy hedge fund founded by Nicholas M. Maounis and headquartered in Greenwich, Connecticut.[1] At its peak, the firm had up to $9.2 billion in assets under management before collapsing in September 2006, after losing in excess of $6 billion on natural gas futures.[1] Amaranth Advisors collapse is one of the biggest hedge fund collapses in history and at the time (2006) largest known trading losses.[4]


2000 founding[edit]

The company was founded in 2000 by Nicholas M. Maounis and based in Greenwich, Connecticut. Throughout much of its history, convertible arbitrage was the firm's primary profit vehicle. Maounis had prior to founding Amaranth Advisors worked at Paloma Partners as a portfolio manager covering debt securities.[2] The company was named after the amaranth[5] an "immortal" flower that retains vivid color even after death.

2004–2005 Focus on energy trading[edit]

During 2004-2005, the firm shifted its emphasis to energy trading by Canadian trader Brian Hunter who invested in the natural gas market. In 2005 the firm made an estimated $1 billion[2] on rising energy prices after Hurricane Katrina curtailed production.

2006 Energy trading losses[edit]

2005 Dec – natural gas price decline[edit]

Amaranth Advisors' troubles began in December 2005 as natural gas prices began to decline and Amaranth Advisors portfolio was structured for the price to move in the spring months of March or April.[2]

Hunter, who was 32[4] years old at the time, invested heavily in natural gas futures which resulted in a single week loss of $6.5 billion when prices failed to move as expected.[6]

Sept 18th 2006 – client told of losses[edit]

On Monday September 18, 2006 Amaranth Advisors told investors that natural gas market downturn had resulted in $3 billion of losses.[2] Further, Amaranth Advisors told investors that it was working with lenders for maintaining liquidity while also and now selling portfolio holdings "to protect our investors."[2] Traders sold securities that could be liquidated without undermining and disrupting the energy market; these included convertible bonds and high-yield corporate debt.[2]

Transferring energy portfolio[edit]

The fund had up to $9 billion under management and reports indicated their losses may have exceeded 65 percent of their investment. Amaranth transferred its energy portfolio to a third party consisting of Citadel LLC and JPMorgan Chase.

October 1, 2006 Fund suspends trading[edit]

On September 29, 2006, Amaranth's founder sent a letter to fund investors notifying them of the fund's suspension and on October 1, 2006, Amaranth hired the Fortress Investment Group to liquidate its assets.

In September 2006 Amaranth Advisors investors were informed that they could not pull their money out and that redemptions would be temporarily suspended for two months.[4] Ten years later, 90% of assets had been returned and 10% of investor assets were still frozen through December 2016.[4]


After the collapse of Amaranth, Maounis founded a new hedge fund named Verition Fund Management. Several ex-Amaranth employees were hired to work at the new fund.[7]


Amaranth Advisors' investors included pension funds, endowments, banks and brokerage firms including Institutional Fund of Hedge Funds at Morgan Stanley.[2] Pension fund clients included San Diego County Employees Retirement Association.[8]


2007 CFTC investigation[edit]

On July 25, 2007, the Commodity Futures Trading Commission (CFTC) charged Amaranth and Hunter with attempting to manipulate the price of natural gas futures.[9] Additionally, the Federal Energy Regulatory Commission charged Amaranth, Hunter and trader Matthew Donohoe with market manipulation.[10] The CFTC and the FERC had conflicting versions of what Hunter did, and are currently competing over jurisdiction.[11] In 2014 Hunter settled with the CFTC, paying a $750,000 fine and accepting a ban from trading all CFTC-regulated natural-gas products.[4]

2010 Federal Energy Regulatory Commission[edit]

On January 22, 2010, a Federal Energy Regulatory Commission administrative law judge ruled that Hunter violated the Commission's Anti-Manipulation Rule. Judge Carmen Cintron found that "Hunter intentionally manipulated the settlement price of the at-issue natural gas futures contracts. His trading was specifically designed to lower the NYMEX price in order to benefit his swap positions on other exchanges." The decision is subject to review by the Commission.[12]


In November 2007 Amaranth Advisors filed a lawsuit against JPMorgan claiming $1 billion in damages on the grounds that the bank interfered in the company's efforts to avoid collapse after natural-gas trades losses in 2006.[13] The suit claimed that JP Morgan as Amaranth Advisors's clearing broker use their position to prevent Amaranth Advisors from derisking their exposure from its natural-gas derivatives portfolio by preventing the portfolio from being sold to first Goldman Sachs and later Citadel LLC.[13]

In December 2012, the New York State Court of Appeals upheld an earlier dismissal of the case. During the collapse of Amaranth Advisors, Centaurus was credited as being one of the major players on the other side of their position.[citation needed]


During the week of September 11, 2006, one week before clients were notified of losses, Amaranth Advisors was seeking new investors and marketing their fund as being up 25 percent for the year.[2]

The New York Times reported that Amaranth Advisors said it was a multi-strategy fund though acted "like an energy and commodities fund. When it bet big on natural gas and lost, it was apparent that it was neither multistrategy nor particularly well hedged"[6] and also that in Amaranth Advisors' case " 'multistrategy' seems to have been a misnomer at the fund."[2]

Nassim Nicholas Taleb proposed the company's use of "twelve risk managers" was meaningless, as the risk models failed to anticipate or ameliorate the problems that ended Amaranth Advisors.[5]


  1. ^ a b c d Barr, Alistair (25 September 2006). "Amaranth energy trades leveraged five times in May". San Francisco, United States: MarketWatch. Dow Jones & Company Inc. Retrieved 6 January 2020.
  2. ^ a b c d e f g h i j k Morgenson, Gretchen; Anderson, Jenny (19 September 2006). "A Hedge Fund's Loss Rattles Nerves". New York Times. No. Business Day. New York, N.Y., United States. The New York Times Company. p. C1. Retrieved 8 January 2020.
  3. ^ "WEDDINGS; Stella Simakova, Robert Jones". New York Times. United States. The New York Times Company. 7 April 2002. p. 12. Retrieved 8 January 2020.
  4. ^ a b c d e Copeland, Rob (1 January 2016). "Ten Years After Blowup, Amaranth Investors Waiting to Get Money Back". The Wall Street Journal. Eastern Edition. No. Hedge Funds. United States: Wall Street Journal. Dow Jones & Company Inc. ISSN 0099-9660. Retrieved 6 January 2020.
  5. ^ a b Nassim Nicholas Taleb (2007). The Black Swan: The Impact of the Highly Improbable. Random House.
  6. ^ a b Anderson, Jenny (29 September 2006). "Betting on the Weather and Taking an Ice-Cold Bath". New York Times. No. Insider. New York, N.Y., United States. The New York Times Company. p. C8. Retrieved 23 April 2010.
  7. ^ Strasburg, Jenny (2010-06-25). "Former Amaranth Chief Returns to the Stage". Wall Street Journal. ISSN 0099-9660. Retrieved 2023-06-24.
  8. ^ "San Diego Pension Fund Sues Amaranth (Mar 20, 2007)". New York Times. No. DealBook. New York, N.Y., United States. The New York Times Company. 30 March 2007. Retrieved 8 January 2020.
  9. ^ "U.S. Commodity Futures Trading Commission Charges Hedge Fund Amaranth and its Former Head Energy Trader, Brian Hunter, with Attempted Manipulation of the Price of Natural Gas Futures". CFTC. 2007-07-25.
  10. ^ "Commission Takes Preliminary Action in Two Major Market Manipulation Cases" (PDF). Federal Energy Regulatory Commission. 2007-07-26. Archived from the original (PDF) on 2008-09-10.
  11. ^ The Man Who Lost $6B
  12. ^ Opalesque (26 January 2010). "FERC Rules that Amaranth's Brian Hunter Practiced Manipulation".
  13. ^ a b Bray, Chad (14 November 2007). "Amaranth sues JPMorgan; says it derailed efforts to save fund". United States: MarketWatch. Dow Jones & Company Inc. Retrieved 6 January 2020.

Further reading[edit]