Hamza Lemssouguer builds $20B hedge fund after rejecting Ken Griffin’s offer
London‑based manager Hamza Lemssouguer turned down a multi‑billion‑dollar offer from Citadel founder Ken Griffin in 2020 and launched Arini Capital with $1.3 billion in seed capital. Within two years the firm expanded to roughly $20 billion in assets under management, making it the fastest‑growing new hedge fund according to Hedge Fund Research.
Steve Cohen is turning his ownership of the New York Mets and stakes in the PGA Tour, TGL and related ventures into a diversified, institutional‑grade sports platform. By bundling media rights, data analytics and betting infrastructure, he treats sports franchises as scalable assets rather than prestige trophies. The strategy reflects a broader shift as private equity, sovereign wealth funds and hedge funds pour capital into sports for uncorrelated, infrastructure‑like cash flows. Cohen’s approach showcases how alternative investors are redefining real‑asset allocation in a volatile macro environment.
Two Sigma has issued an internal "AI‑first" mandate, requiring every employee to embed frontier AI models—especially large language models—into daily workflows. The firm calls the resulting efficiency boost "operational alpha," a systematic edge that compounds across research, engineering, compliance and...

Hedge fund returns table with many more names, including Citadel, Point72, Verition and more https://t.co/LBkCq0Uiq9
In the first quarter, hedge funds delivered uneven results: Balyasny Asset Management fell 3.8% year‑to‑date, while Schonfeld Strategic Advisors posted a modest 0.9% gain. The divergence reflects heightened market stress from the Iran‑Israel war, rising oil prices and a sharp...
This dude is basically running his hedge fund as a 5x Ultra ETF on oil, and if he blows up, he just restarts again with the exact same model. #scenes.
The first quarter of 2026 proved turbulent for leading hedge funds as geopolitical tensions and market volatility eroded returns. Balyasny Asset Management’s $33 billion portfolio slipped 4.3% in March, leaving it down 3.8% year‑to‑date, while ExodusPoint fell 4.5% in the same...
Today we will learn on the show that Weiss sold out of all his longs.... @thestreetpro @dougkass

March was BRUTAL: Some of the world’s biggest hedge funds known for delivering steady returns lost money as the war in the Middle East roiled markets across energy, bonds and equities and forced traders to unwind crowded positions. Here are...
Quantitative funds are confronting a capacity squeeze as surging investor demand threatens the very alpha that made them attractive. Managers such as Renaissance Technologies, Two Sigma, and D.E. Shaw are closing funds, raising minimums, and limiting inflows to preserve performance....
Activist hedge fund Saba Capital Management is likely to replace the board of Edinburgh Worldwide Investment Trust Plc at its April shareholder meeting. The London‑listed trust holds a $1 bn portfolio, with roughly 17% of its assets tied to SpaceX, making...
State of the Portable Alpha Landscape I sit down with Shane McCarthy of LAB Quantitative Strategies for a deep dive into the portable alpha and return stacking landscape, including fresh survey data on how allocators are approaching this space today. 00:00 Welcome...

March was a challenging month for long short equity hedge funds as junk stock shorts materially outperformed (+7bps on the month). The GS VIP Long vs GS Most Shorted basket fell -7.6%, dropping its YTD performance to -14.4%. That said, April is...
Irenic Capital Management has launched an activist campaign against Snap, urging mass layoffs, an exit from its augmented‑reality glasses business, and tighter corporate governance. The hedge fund’s push is complicated by Snap’s dual‑class share structure, which grants founder‑CEO Evan Spiegel...

The secret hedge funds use to detect market regimes... A 37 page PDF reveals everything:

Frank Rimerman Advisors LLC dramatically increased its holding in ServiceNow, buying 14,439 shares in Q4 and boosting its stake by 412.5% to 17,939 shares valued at roughly $2.75 million. The move adds to a wave of institutional activity, with several other...

Dock Street Asset Management dramatically increased its stake in ServiceNow, buying 183,887 shares to bring its holding to 227,662 shares worth roughly $34.9 million, representing about 3.2% of its portfolio and making ServiceNow its 10th largest position. The stock opened at...
Positions are super light. Alpha up 6.5% YTD 2% of AUM in SPX Puts bought on yesterday close A boatload of STIR bought higher but exposed to rate cuts and recovering That's it Beta up 5% YTD cuz own gold and commodities as...
𝐓𝐇𝐈𝐒 𝐈𝐒 𝐍𝐎𝐓 𝐀 𝐉𝐎𝐊𝐄! Kite Lake raised $700 million in new cash, signaling improving appetite for hedge funds. The event-driven trading specialist reopened for a day to take in the money and closed it to further capital again. https://t.co/8wIkR828BM

The managed‑future (CTA) industry has moved from a niche, high‑fee boutique model to an increasingly institutionalized landscape, culminating in the launch of trend‑following ETFs. These ETFs offer investors higher liquidity, lower fees—often under 100 basis points—and comparable returns to traditional...
Asset manager Sona has hired two senior executives to deepen its Japan outreach, ahead of a new Tokyo office later this year. Suzutaro Kuroyanagi joins as Senior Manager of Japan Business Development and Investor Relations in Tokyo, bringing over three...
Billionaire hedge‑fund manager Ken Griffin doubled down on the robotaxi opportunity in Q4, buying sizable positions in Nvidia and Amazon while exiting Tesla. He views the autonomous‑driving market as a potential $1 trillion U.S. revenue stream, driven by 3 trillion annual vehicle miles...
Ares Management reported preliminary Q1 2026 realized net performance income of $75 million, up from $41 million a year earlier but shy of analysts’ roughly $100 million forecast. The shortfall stems from the timing of exits in its European‑style funds, which generate lumpy...
Fairmount Funds Management LLC sold 7 million Cogent Biosciences shares for $242.6 million on March 31, 2026, at $34.66 per share. The stock subsequently climbed to $38.49, reflecting a 565% return over the past year and a 172% gain in the last six...
Boaz Weinstein’s Saba Capital Management is on track to replace the board of Edinburgh Worldwide Investment Trust Plc at an April shareholder meeting, positioning the hedge fund to control a $1 bn portfolio that includes a 17% stake in SpaceX. The...
Don't even ask the question. The answer is yes, it's within the collar. Think the S&P is going to rip to new all-time highs? Sorry, there's a short call at 7155 capping your upside. The hedge fund already sold it....
Blackstone, the $1.3 trillion asset manager, announced the launch of its first hedge fund designed for affluent and mini‑millionaire investors. The product will make relatively liquid bets across credit, equities and special‑situations, allocating about 30% of assets to other hedge funds,...
Diego Megia’s macro hedge fund Taula has raised $1.75 billion in new cash, adding to its asset base as an expanding team of portfolio managers enhances its capacity to manage more money. Total AUM: more than $8.5 billion. That's despite...
Goldman Sachs’ prime trading desk says hedge funds have trimmed global equity holdings for a sixth straight week, widening short positions and flagging a broad capitulation in U.S. stocks. Short exposure in European macro products hit 11%, a decade‑high, while...
Lots of alpha coming out of the team this morning with the Buy $CZR from Jenks @HedgeyeGLL and Short $BOOT barn from McGough @HedgeyeRetail

Columbus Macro LLC increased its stake in the iShares Core S&P 500 ETF (IVV) by 1,914 shares during Q4, bringing its total to 25,984 shares valued at roughly $17.8 million. The holding now represents about 1.9% of the firm’s portfolio, making...

Brookstone Capital Management boosted its holdings in the Invesco QQQ ETF by 10.3% in the fourth quarter, adding 46,391 shares to bring its total to 495,804 shares. The stake, valued at roughly $305 million, now accounts for 3.5% of Brookstone’s portfolio,...
Multi‑strategy hedge funds led South African hedge fund performance in February, posting a median 1.52% gain, while the HedgeNews Africa Single Manager Composite rose 1.33%. The broader market rallied, with the FTSE/JSE All‑Share Index up 7.01% and the All Bond...
SK Securities has introduced the Daor Orca Alpha Selection Mixed Asset Investment Trust, a public fund that aggregates strategies from four leading Korean hedge funds. The product cuts the minimum investment from 300 million won (about $220,000) to a level accessible...

Evercore ISI managing director Julian Emanuel warned that the market is approaching an inflection point within days, hinging on President Donald Trump's decision on Iran's energy facilities on April 6. He said Evercore will commit new capital if the S&P 500 falls...

2025 quant hedge fund returns. And you think you cannot compete in 2026? You can, this is how:
Hedge funds have intensified short‑selling on U.S. equities, posting the fastest net sell‑off since April 2025, while simultaneously boosting long positions in defensive European stocks. The move reflects heightened geopolitical risk from the Iran conflict and a broader risk‑off tilt...

CTAs Near Max Short From GS via BBG: - CTA sold $190B this month and are now short $50B of global equities - Cullen Morgan: “The systematic community is running out of steam” “Asymmetry lives to the upside — over the next month,...

Net Worth Advisory Group boosted its Johnson & Johnson holding by 24%, adding 2,820 shares to a total of 14,557 shares worth roughly $3.0 million. The move follows a wave of institutional activity, with AustralianSuper and the National Pension Service expanding...

Hedge Fund Selling Shows Signs of Capitulation From GS via BBG: - “Some signs of capitulation are starting to emerge” - Funds cut global equities for a 6th straight week - Europe macro product shorts are at a 10-year high - CHART: US selling hit...
Sava Mihic, a former Platinum Asset Management quant, has unveiled his own hedge fund, Mihic Fund Management, with financial backing from Platinum founder Kerr Neilson and fellow alumnus Jim Simpson. The launch marks Mihic’s first public foray after more than...

Protean Select, the long/short equity hedge fund launched in 2022, is cutting its capacity limit from SEK 2 billion (≈$220 million) to SEK 1 billion (≈$110 million) as assets near the new cap. The fund now manages roughly SEK 970 million (≈$107 million) and has halted...
Bill Ackman, Pershing Square’s founder, told shareholders the S&P 500’s forward price‑to‑earnings ratio of 20.6 × remains high but defensible because the index’s top ten stocks are projected to grow earnings over 20% annually. His public stance, coupled with a $250,000...
Abrams Capital Management reported a $5.67 billion equity portfolio that remains extremely concentrated, with the top ten holdings accounting for roughly 99% of assets. The fund’s core positions are dominated by Loar Holdings, Lithia Motors, and other automotive‑related companies, while modest...
The iShares Expanded Tech-Software Sector ETF (IGV) experienced an unusually large surge in options trading, prompting several hedge funds to dramatically adjust their equity positions. The activity highlights heightened speculation and hedging in the tech‑software space as investors brace for...
Bill Ackman, Pershing Square founder, warned investors that the S&P 500’s forward price‑to‑earnings ratio of 20.6×, while above historic averages, is warranted by the earnings growth of the index’s biggest stocks. His view supports recent buying in Amazon and a...
Foreign investors sold roughly $52 billion of Asian emerging‑market equities excluding China in March, the biggest monthly withdrawal on record. The outflow eclipses the 2020 pandemic sell‑off by 49% and the June 2022 Russia‑Ukraine war outflow by 148%, raising alarms about capital‑flow...

Managed‑future strategies, long favored by hedge funds, are seeing renewed investor interest as stocks and bonds tumble amid geopolitical tension and stagflation fears. The niche managed‑futures ETF sector, now holding roughly $6.5 bn, has attracted about $1 bn of inflows this year,...

Capital Investment Advisors LLC reduced its Procter & Gamble (PG) holding by 1.8% in Q4, selling 3,740 shares and leaving a stake of 203,928 shares valued at about $29.2 million. Meanwhile, several other institutions expanded their positions, with Norges Bank adding...
AllianceBernstein’s systematic investing head, Bernd Wuebben, warns that unusually wide credit‑spread dispersion is steering hedge funds toward bottom‑up, systematic approaches. The firm argues that tight average spreads combined with issuer‑level variance creates a security‑selector market where traditional beta is scarce.
Macro: ARK shifts from semiconductors to biotech. Key: sold ~$38M NVDA; bought $0.34M ARCT. Risk: tech momentum reversal. Trade: trim high-beta semiconductors. — Viktor Kopylov, PhD, CFA More insights: t.me/si14Kopylov