Funds · 13F filer · Evanston, IL

Magnetar Financial LLC

$10.5B in 1,120 U.S. stocks and ETFs at the end of June 30, 2026, as reported to the SEC.1

1y return−30.8%S&P 500 +20.9%

These returns are for its stock picks as disclosed on Form 13F: last quarter's holdings, valued at this quarter's prices. They miss trades within each quarter, short positions, options, bonds, cash and fees, so they aren't the returns its clients got.

$100 invested in its stock picks

Since June 30, 2025: $69 against $121 in the S&P 500.2

Magnetar Financial LLCS&P 500 (SPY)
$57$100$12120252026

Top holdings

At the end of June 30, 2026. Change is in shares since the quarter before.2

StockValueShare of portfolioChange
CRWVCoreweave Inc$5.2B49.5%−24.1%
Hewlett Packard Enterprise CCUSIP 42824C208$89.0M0.9%−17.8%
Webster Finl CorpCUSIP 947890109$88.4M0.8%+1.8%
KVUEKenvue Inc$88.2M0.8%
Chart Inds IncCUSIP 16115Q308$87.4M0.8%
NSCNorfolk Southn Corp$86.6M0.8%
DDominion Energy Inc$83.3M0.8%New
TXNMTxnm Energy Inc$82.2M0.8%−1.8%
PENPenumbra Inc$80.8M0.8%+1.8%
TECKTeck Resources Ltd$79.1M0.8%−11.2%
Microchip Technology Inc.CUSIP 595017302$75.6M0.7%−4.2%
Alphabet IncCUSIP 02079K404$75.5M0.7%New
Warner Bros Discovery IncCUSIP 934423104$73.3M0.7%−8.9%
ROKURoku Inc$70.0M0.7%+13811.7%
Digitalbridge Group IncCUSIP 25401T603$65.0M0.6%−2.3%
Oracle CorpCUSIP 68389X204$64.1M0.6%+119.3%
National Storage AffiliatesCUSIP 637870106$55.0M0.5%
SLABSilicon Laboratories Inc$54.9M0.5%+2.2%
TECHBio-techne Corp$53.8M0.5%New
Apogee Therapeutics IncCUSIP 03770N101$53.0M0.5%New
CZRCaesars Entertainment Inc Ne$52.7M0.5%New
RAMPLiveramp Hldgs Inc$51.9M0.5%New
Qorvo IncCUSIP 74736K101$51.1M0.5%+1.3%
PAYOPayoneer Global Inc$50.6M0.5%+53873.0%
AAUCAllied Gold Corp$50.1M0.5%−16.3%

Best picks still held

How each current holding has done since the quarter it first appeared in its filings (up to six years back).

StockHeld sinceReturn sinceNow worth
Hewlett Packard Enterprise CCUSIP 42824C208March 31, 2025+142.3%$89.0M
Churchill Cap Corp XiCUSIP G2131A108March 31, 2026+71.8%$33.5M
Valaris LtdCUSIP G9460G101September 30, 2025+48.9%$35.9M
PAYOPayoneer Global IncMarch 31, 2026+47.4%$50.6M
TECKTeck Resources LtdJune 30, 2025+47.3%$79.1M
ROKURoku IncSeptember 30, 2025+38.0%$70.0M
Microchip Technology Inc.CUSIP 595017302March 31, 2026+34.6%$75.6M
Webster Finl CorpCUSIP 947890109September 30, 2025+28.6%$88.4M
Skywater Technology IncCUSIP 83089J108March 31, 2026+27.0%$41.2M
Novanta IncCUSIP 67000B203December 31, 2025+23.1%$47.8M

Sold off last quarter

  • Air Lease CorpCUSIP 00912X302 was $87.2M
  • Proassurance CorpCUSIP 74267C106 was $80.3M
  • Masimo CorpCUSIP 574795100 was $76.0M
  • Csg Sys Intl IncCUSIP 126349109 was $64.5M
  • Amicus TherapeuticCUSIP 03152W109 was $57.6M
  • Tri Pointe Homes IncCUSIP 87265H109 was $55.5M
  • Arcellx IncCUSIP 03940C100 was $45.3M
  • Thermon Group Hldgs IncCUSIP 88362T103 was $38.2M
  • Apellis Pharmaceuticals IncCUSIP 03753U106 was $35.0M
  • Cantaloupe IncCUSIP 138103106 was $29.0M

Quarter by quarter

QuarterIts picksS&P 500
June 30, 2026+17.3%+14.8%
March 31, 2026+3.3%−4.6%
December 31, 2025−34.7%+2.4%
September 30, 2025−12.5%+7.8%
March 31, 2025−0.4%−4.6%
December 31, 2024−3.2%+2.1%
September 30, 2024+6.1%+5.4%
June 30, 2024−4.1%+4.0%
March 31, 2024+5.0%+10.0%
December 31, 2023−0.1%+11.2%
June 30, 2023+2.1%+8.3%
March 31, 2023−3.0%+7.0%
December 31, 2022+2.5%+7.1%
September 30, 2022−1.6%−5.3%
June 30, 2022−3.5%−16.5%
March 31, 2022−1.5%−4.9%
December 31, 2021+1.8%+10.7%
September 30, 2021−1.0%+0.3%

Sources

Every number on this page points here. Each one links to the public record.

  1. 1
    CIK 1352851
  2. 2
    Filed August 14, 2026 · accession 0001104659-26-096490