Magnetar Financial LLC

Hedge Fund • Multi-Strategy

Magnetar Financial LLC is a Multi-Strategy Hedge Fund based in Evanston, IL led by David Jay Snyderman, reporting $26.2B in AUM as of Q3 2025 with 77% Technology concentration, 78% concentrated in top 10 holdings, 73% allocation to CRWV, and 77% technology allocation.

CEODavid Jay Snyderman

Portfolio Value: $15.4B
Positions: 724
Top Holding: CRWV at 72.75%
Last Reported: Q3 2025

Address1603 Orrington Avenue, 13th Floor, Evanston, IL, 60201, United States

Top Holdings

Largest long holdings in Magnetar Financial LLC's portfolio (78.3% of total portfolio)

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Holding	Sector	Position	Weight	Traded	Ownership	Owned Since
1 CoreWeave, Inc. CRWV	Software - Infrastructure Technology	$11.2B	72.75%	-$1.9B Sold	16.56% 82.0M shares	Q1 2025 Held for 8 months
2 Norfolk Southern NSC	Railroads Industrials	$107.6M	0.70%	+$107.6M Bought	0.16% 358.3K shares	Q3 2025 Held for 2 months
3 CyberArk Software CYBR	Software - Infrastructure Technology	$102.1M	0.66%	+$102.1M Bought	0.42% 211.2K shares	Q4 2024 Held for 11 months
4 Air Lease AL	Rental & Leasing Services Industrials	$100.5M	0.65%	+$100.5M New	1.41% 1.6M shares	Q3 2025 Held for 2 months
5 Merus N.V. MRUS	Biotechnology Healthcare	$98.4M	0.64%	+$98.4M New	1.38% 1.0M shares	Q3 2025 Held for 2 months
6 TXNM Energy TXNM	Unknown Unknown	$95.5M	0.62%	+$2.2M Bought	1.60% 1.7M shares	Q2 2025 Held for 5 months
7 Kellanova K	Packaged Foods Consumer Defensive	$93.8M	0.61%	+$2.2M Bought	0.33% 1.1M shares	Q3 2024 Held for 1y 2m
8 AvidXchange Holdings, Inc. AVDX	Software - Infrastructure Technology	$84.2M	0.55%	+$189.5K Bought	4.08% 8.5M shares	Q4 2024 Held for 11 months
9 Tegna TGNA	Broadcasting Communication Services	$84.2M	0.55%	+$82.9M Bought	2.57% 4.1M shares	Q2 2025 Held for 5 months
10 WNS Holdings Limited WNS	Information Technology Services Technology	$83.8M	0.54%	+$83.8M New	2.56% 1.1M shares	Q3 2025 Held for 2 months

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Changes

Portfolio activity, position movements, and quarter-over-quarter changes in Magnetar Financial LLC's latest filing

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Market Value

$15.4B

Prior: $19.7B

Q/Q Change

-21.65%

-$4.3B

Net Flows % of MV

-18.57%

Turnover Ratio

20.35%

New Purchases

96 stocks

$771.0M

Added To

139 stocks

+$444.8M

Sold Out Of

406 stocks

$1.8B

Reduced Holdings

141 stocks

-$2.3B

Increased Positions

Position	Shares Δ	Change
1 Air Lease AL	New	0 → 1.6M +$100.5M
2 Merus N.V. MRUS	New	0 → 1.0M +$98.4M
3 WNS Holdings Limited WNS	New	0 → 1.1M +$83.8M
4 VRNA Verona Pharma VRNA	New	0 → 628.3K +$67.0M
5 Tourmaline Bio TRML	New	0 → 966.1K +$46.2M

Decreased Positions

Position	Shares Δ	Change
1 Dun & Bradstreet DNB	Sold	10.6M → 0 −$96.7M
2 SpringWorks Therapeutics, Inc. SWTX	Sold	2.1M → 0 −$96.5M
3 Blueprint Medicines BPMC	Sold	730.0K → 0 −$93.6M
4 Skechers SKX	Sold	1.4M → 0 −$89.4M
5 Ansys ANSS	Sold	251.8K → 0 −$88.4M

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Analytics

Portfolio insights and performance metrics for Magnetar Financial LLC

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Sector Allocation

Technology

76.80%

Industrials

4.00%

Communication Services

2.30%

Healthcare

2.20%

Financial Services

2.10%

Consumer Cyclical

1.00%

Consumer Defensive

0.90%

Basic Materials

0.90%

Real Estate

0.70%

Utilities

0.30%

Energy

0.30%

ETF

0.20%

Market Cap Distribution

Mega Cap (> $200B)

0.42%

Large Cap ($10B - $200B)

80.51%

Mid Cap ($2B - $10B)

8.18%

Small Cap ($300M - $2B)

7.10%

Micro Cap ($50M - $300M)

1.64%

Nano Cap (< $50M)

1.00%

N/A (ETF or Unknown)

1.15%

Portfolio Concentration

Top 10 Holdings %

78.26%

Top 20 Holdings %

82.6%

Top 50 Holdings %

87.56%

Top 100 Holdings %

91.59%