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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
EXPE icon
576
Expedia Group
EXPE
$39.5B
$630K 0.01%
+2,781
New +$683K
HURN icon
577
Huron Consulting
HURN
$2.54B
$625K 0.01%
+4,903
New +$737K
EFSC icon
578
Enterprise Financial Services Corp
EFSC
$2.3B
$624K 0.01%
+11,532
New +$650K
HLI icon
579
Houlihan Lokey
HLI
$9.3B
$620K 0.01%
4,319
-477
-10% -$78.5K
FORM icon
580
FormFactor
FORM
$7.94B
$619K 0.01%
6,385
-66,354
-91% -$5.71M
FBP icon
581
First Bancorp
FBP
$4.28B
$618K 0.01%
28,947
+15,842
+121% +$341K
NDSN icon
582
Nordson
NDSN
$18.1B
$618K 0.01%
2,411
-11,976
-83% -$3.3M
RWAY icon
583
Runway Growth Finance
RWAY
$276M
$617K 0.01%
+89,876
New +$747K
OIS icon
584
Oil States International
OIS
$519M
$614K 0.01%
+52,722
New +$544K
TJX icon
585
TJX Companies
TJX
$149B
$611K 0.01%
3,925
+1,574
+67% +$245K
FR icon
586
First Industrial Realty Trust
FR
$8.21B
$599K 0.01%
+10,359
New +$616K
RDVT icon
587
Red Violet
RDVT
$1.18B
$590K 0.01%
+17,058
New +$750K
SIG icon
588
Signet Jewelers
SIG
$3.21B
$590K 0.01%
+6,973
New +$635K
VNT icon
589
Vontier
VNT
$4.43B
$578K 0.01%
+16,303
New +$628K
CGNT icon
590
Cognyte Software
CGNT
$650M
$578K 0.01%
71,301
+30,628
+75% +$253K
INVA icon
591
Innoviva
INVA
$1.51B
$577K 0.01%
24,774
+3,055
+14% +$65.8K
CSTL icon
592
Castle Biosciences
CSTL
$1.02B
$573K 0.01%
+23,332
New +$764K
ZBRA icon
593
Zebra Technologies
ZBRA
$16.9B
$573K 0.01%
2,873
-9,695
-77% -$2.28M
AXS icon
594
AXIS Capital
AXS
$7.26B
$570K 0.01%
5,617
+1,694
+43% +$174K
NFLX icon
595
Netflix
NFLX
$340B
$567K 0.01%
6,104
+2,373
+64% +$209K
SBRA icon
596
Sabra Healthcare REIT
SBRA
$5.27B
$562K 0.01%
+29,220
New +$576K
WIX icon
597
WIX.com
WIX
$3.67B
$561K 0.01%
+6,227
New +$521K
INGM
598
Ingram Micro Holding
INGM
$6.62B
$560K 0.01%
+24,012
New +$522K
PCG icon
599
PG&E
PCG
$36.6B
$559K 0.01%
+31,976
New +$544K
PR
600
Permian Resources
PR
$19B
$556K 0.01%
+26,056
New +$450K
22 23
24
25 26

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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.