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MF
Magnetar Financial Portfolio holdings
AUM
$9.84B
1-Year Est. Return
190.64%
This Fund
S&P 500
This Quarter
Est. Return
+7.2%
1 Year Est. Return
+190.64%
3 Year Est. Return
+293.18%
5 Year Est. Return
+491.79%
10 Year Est. Return
+5,174.28%
AUM
$9.84B
AUM Growth
-$362M
(-3.5%)
Cap. Flow
-$305M
Cap. Flow
% of AUM
-3.09%
Top 10 Holdings %
Top 10 Hldgs %
55.7%
Holding
1,493
New
604
Increased
145
Reduced
173
Closed
363
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Penumbra
PEN
|
+$85.1M |
| 2 |
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 | Industrials | 4.76% |
| 4 | Healthcare | 4.19% |
| 5 | Materials | 2.11% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
401
DoorDash
DASH
$75.3B
| $1.33M | 0.01% |
+8,976
| New | +$1.66M |
|
402
Occidental Petroleum
OXY
$57B
| $1.33M | 0.01% |
+20,049
| New | +$1.01M |
|
|
INFQ.WS
403
Infleqtion Inc Warrants
INFQ.WS
| $1.33M | 0.01% |
+300,000
| New | +$1.6M |
|
404
Gilead Sciences
GILD
$161B
| $1.32M | 0.01% |
+9,707
| New | +$1.36M |
|
405
Burlington
BURL
$22B
| $1.32M | 0.01% |
+4,056
| New | +$1.24M |
|
|
DYNC
406
Dynamix Corp
DYNC
$239M
| $1.31M | 0.01% |
125,000
| – | – |
|
407
United Airlines
UAL
$38.4B
| $1.3M | 0.01% |
15,282
+5,691
| +59% | +$596K |
|
408
Perion Network
PERI
$367M
| $1.29M | 0.01% |
129,264
+113,597
| +725% | +$1.03M |
|
409
Cadence Design Systems
CDNS
$90B
| $1.29M | 0.01% |
4,639
-2,717
| -37% | -$811K |
|
|
SGI
410
Somnigroup International
SGI
$15.1B
| $1.29M | 0.01% |
17,424
+6,350
| +57% | +$551K |
|
411
Universal Health Services
UHS
$9.43B
| $1.28M | 0.01% |
7,003
-8,586
| -55% | -$1.76M |
|
412
SiriusXM
SIRI
$10B
| $1.27M | 0.01% |
+55,062
| New | +$1.18M |
|
|
LOKVW
413
DELISTED
Live Oak Acquisition Corp V Warrants
LOKVW
| $1.27M | 0.01% |
874,600
-400
| -0% | -$626 |
|
414
Astec Industries
ASTE
$1.3B
| $1.27M | 0.01% |
+23,520
| New | +$1.26M |
|
415
MidCap Financial Investment
MFIC
$784M
| $1.27M | 0.01% |
+112,559
| New | +$1.24M |
|
416
Hershey
HSY
$35.4B
| $1.26M | 0.01% |
+5,891
| New | +$1.24M |
|
417
Alphabet (Google) Class A
GOOGL
$3.91T
| $1.26M | 0.01% |
+4,593
| New | +$1.44M |
|
418
Celestica
CLS
$35.1B
| $1.26M | 0.01% |
4,457
+2,784
| +166% | +$808K |
|
|
GLIBK
419
Liberty Capital Corp Series C GCI Group Common Stock
GLIBK
$876M
| $1.25M | 0.01% |
+33,694
| New | +$1.27M |
|
420
Aaon
AAON
$8.41B
| $1.25M | 0.01% |
15,141
+2,040
| +16% | +$185K |
|
421
Essent Group
ESNT
$6.06B
| $1.25M | 0.01% |
21,384
+15,994
| +297% | +$976K |
|
422
Manulife Financial
MFC
$72.6B
| $1.25M | 0.01% |
36,150
-11,809
| -25% | -$425K |
|
|
SEMR
423
DELISTED
Semrush
SEMR
| $1.24M | 0.01% |
103,505
+442
| +0.4% | +$5.25K |
|
424
Elastic
ESTC
$6.1B
| $1.23M | 0.01% |
+24,620
| New | +$1.51M |
|
425
Dow Inc
DOW
$21.6B
| $1.23M | 0.01% |
+29,342
| New | +$931K |
|
Similar funds
HI
MPI
URS
FPAS
CCM
OAM
FCM
HL
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 withdrew a net $305M in Q1 2026, closing 363 positions and reducing 173 holdings. Its most notable exit was Comerica, an estimated $99.1M position sold in full.
By sector, the portfolio is most concentrated in Technology at 53% of assets, down from 54% a quarter earlier, followed by Financials and Industrials.
Against the trend, Magnetar Financial opened a new position in Penumbra worth $82.6M.
- 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.