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MF

Magnetar Financial Portfolio holdings

AUM $11B
1-Year Est. Return 3.37%
This Fund
S&P 500
This Quarter Est. Return
+7.2%
1 Year Est. Return
-3.37%
3 Year Est. Return
+334.16%
5 Year Est. Return
+550.58%
10 Year Est. Return
+5,328.36%
AUM
$9.84B
AUM Growth
-$362M
Cap. Flow
-$294M
Cap. Flow %
-2.99%
Top 10 Hldgs %
55.7%
Holding
1,493
New
604
Increased
145
Reduced
173
Closed
363

Top Buys

Rank Stock Value
1
PEN icon
Penumbra
PEN
+$85.1M
2
WBS
Webster Financial
WBS
+$77.3M
3
AAUC
Allied Gold Corp
AAUC
+$76.1M
4
MASI
Masimo
MASI
+$66.2M
5
MCHPP
Microchip Technology Inc 7.50% Series A Preferred Stock
MCHPP
+$65.3M

Top Sells

Rank Stock Value
1
CMA
Comerica
CMA
+$99.1M
2
REVG
REV Group
REVG
+$97.8M
3
FYBR
Frontier Communications
FYBR
+$89.2M
4
CYBR
CyberArk
CYBR
+$89M
5
TGNA
TEGNA Inc
TGNA
+$84.5M

Sector Composition

Rank Sector Weight
1 Technology 53.03%
2 Financials 19.67%
3 Miscellaneous 8.46%
4 Industrials 4.76%
5 Healthcare 4.19%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
WNC icon
1426
Wabash National
WNC
$539M
– –
-26,356
Closed -$228K
WST icon
1427
West Pharmaceutical
WST
$24.4B
– –
-11,918
Closed -$3.28M
WWD icon
1428
Woodward
WWD
$20.4B
– –
-13,120
Closed -$3.97M
XENE icon
1429
Xenon Pharmaceuticals
XENE
$6B
– –
-5,153
Closed -$231K
XYL icon
1430
Xylem
XYL
$26.3B
– –
-17,549
Closed -$2.39M
ZEUS
1431
DELISTED
Olympic Steel
ZEUS
– –
-154,020
Closed -$6.59M
FLUT icon
1432
Flutter Entertainment
FLUT
$16.5B
– –
-3,037
Closed -$653K
AS icon
1433
Amer Sports
AS
$17.8B
– –
-117,092
Closed -$4.37M
DAY
1434
DELISTED
Dayforce
DAY
– –
-781,152
Closed -$54M
ALAB icon
1435
Astera Labs
ALAB
$52.8B
– –
-9,053
Closed -$1.51M
CPAY icon
1436
Corpay
CPAY
$26.5B
– –
-706
Closed -$212K
GEV icon
1437
GE Vernova
GEV
$254B
– –
-6,482
Closed -$4.24M
VIK icon
1438
Viking Holdings
VIK
$40.1B
– –
-4,529
Closed -$323K
OKLO
1439
Oklo
OKLO
$7.91B
– –
-6,949
Closed -$499K
CCIX
1440
DELISTED
Churchill Capital Corp IX
CCIX
– –
-1,843,554
Closed -$19.6M
GRAL
1441
GRAIL Inc
GRAL
$3.68B
– –
-7,630
Closed -$653K
RZLV
1442
Rezolve AI
RZLV
$1.17B
– –
-13,016
Closed -$33.5K
GAP
1443
The Gap Inc
GAP
$7.48B
– –
-40,656
Closed -$1.04M
AMTM
1444
Amentum Holdings
AMTM
$5B
– –
-20,875
Closed -$605K
FTW
1445
Presidio Production Co
FTW
$356M
– –
-3,370,168
Closed -$35.4M
VACH
1446
DELISTED
Voyager Acquisition Corp
VACH
– –
-2,156,220
Closed -$23M
CAPN
1447
Cayson Acquisition Corp
CAPN
$59.5M
– –
-75,000
Closed -$800K
VCIC
1448
DELISTED
Vine Hill Capital Investment Corp
VCIC
– –
-1,669,999
Closed -$18M
VCICW
1449
DELISTED
Vine Hill Capital Investment Corp Warrant
VCICW
– –
-580,000
Closed -$1.04M
BACQR
1450
DELISTED
Inflection Point Acquisition Corp IV Right
BACQR
– –
-300,000
Closed -$221K
56 57
58
59 60

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LCAM
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IIM
INTECH Investment Management West Palm Beach, Florida $10.9B AUM 37.22% 1-Year Est. Return
RCMNY
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MPI
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RCMF
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SIM
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ACA
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Magnetar Financial's Q1 2026 Portfolio in Review

As of Q1 2026, Magnetar Financial held 1,493 positions worth $9.84B, down 3.5% from $10.2B the previous quarter. Its ten largest holdings account for 56% of the portfolio.

Magnetar Financial's Q1 2026 filing shows 604 new, 145 increased, 173 reduced and 363 closed positions. Its largest new stake was Penumbra: 251,433 shares worth $82.6M. The largest sale was Comerica, an estimated $99.1M.

By sector, the portfolio is most concentrated in Technology at 53% of assets, down from 54% a quarter earlier, followed by Financials and Miscellaneous.

  • Magnetar Financial's largest Q1 2026 buy was Penumbra: 251,433 shares worth $82.6M.
  • Magnetar Financial added most to Webster Financial in Q1 2026, an estimated $77.3M increase.
  • Magnetar Financial's biggest Q1 2026 reduction was Shift4 Payments Inc 6.00% Series A Preferred Stock, cutting an estimated $37.3M.
  • Magnetar Financial fully exited Comerica in Q1 2026, selling an estimated $99.1M.
  • Magnetar Financial's ten largest holdings make up 56% of its $9.84B portfolio in Q1 2026.
  • Magnetar Financial opened 604 new positions and closed 363 in Q1 2026.
  • Magnetar Financial's portfolio value fell 3.5% quarter-over-quarter to $9.84B.

Based on Magnetar Financial's 13F filing for Q1 2026, filed 13 May 2026.