We are live on
!
Find out more
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 | |
|---|---|---|---|---|---|---|
301
Watts Water Technologies
WTS
$11.5B
| $2.05M | 0.02% |
7,074
-9,344
| -57% | -$2.85M |
|
302
J.M. Smucker
SJM
$12.6B
| $2.03M | 0.02% |
21,318
-14,259
| -40% | -$1.49M |
|
303
Peabody Energy
BTU
$2.78B
| $2.03M | 0.02% |
+61,543
| New | +$2.15M |
|
304
Global E Online
GLBE
$6.08B
| $2.03M | 0.02% |
65,685
+40,688
| +163% | +$1.43M |
|
|
IMSRW
305
Terrestrial Energy Warrant
IMSRW
$23M
| $2.02M | 0.02% |
780,000
-124,994
| -14% | -$470K |
|
|
CHEC
306
Chenghe Acquisition III Co
CHEC
| $2.01M | 0.02% |
200,000
| – | – |
|
307
Stryker
SYK
$127B
| $2.01M | 0.02% |
6,160
-4,924
| -44% | -$1.77M |
|
308
Bank of N.T. Butterfield & Son
NTB
$2.42B
| $2.01M | 0.02% |
38,254
+18,423
| +93% | +$946K |
|
309
Toll Brothers
TOL
$14B
| $2.01M | 0.02% |
+14,708
| New | +$2.16M |
|
310
Madrigal Pharmaceuticals
MDGL
$12.6B
| $1.99M | 0.02% |
+3,811
| New | +$1.82M |
|
311
General Dynamics
GD
$105B
| $1.99M | 0.02% |
+5,847
| New | +$2.07M |
|
312
TFI International
TFII
$12.4B
| $1.99M | 0.02% |
18,276
+2,634
| +17% | +$294K |
|
|
MCGA
313
Yorkville Acquisition Corp
MCGA
$241M
| $1.97M | 0.02% |
195,000
| – | – |
|
314
Ulta Beauty
ULTA
$20.4B
| $1.97M | 0.02% |
3,771
+140
| +4% | +$89K |
|
315
Scorpio Tankers
STNG
$3.96B
| $1.97M | 0.02% |
26,328
+22,291
| +552% | +$1.49M |
|
316
Bristol-Myers Squibb
BMY
$127B
| $1.94M | 0.02% |
+32,473
| New | +$1.89M |
|
317
Natera
NTRA
$37.5B
| $1.94M | 0.02% |
+9,696
| New | +$2.09M |
|
318
Paychex
PAYX
$40.4B
| $1.94M | 0.02% |
+20,799
| New | +$2.06M |
|
319
SentinelOne
S
$6.22B
| $1.93M | 0.02% |
+149,961
| New | +$2.08M |
|
320
Benchmark Electronics
BHE
$2.91B
| $1.91M | 0.02% |
+34,077
| New | +$1.83M |
|
321
Five Below
FIVE
$11.2B
| $1.91M | 0.02% |
8,357
-15,462
| -65% | -$3.24M |
|
322
Cencora
COR
$60.3B
| $1.9M | 0.02% |
6,129
+3,896
| +174% | +$1.36M |
|
323
FedEx
FDX
$74.5B
| $1.9M | 0.02% |
+5,550
| New | +$1.93M |
|
324
Builders FirstSource
BLDR
$7.84B
| $1.89M | 0.02% |
24,019
+12,367
| +106% | +$1.32M |
|
|
DHIL
325
DELISTED
Diamond Hill
DHIL
| $1.89M | 0.02% |
10,971
+286
| +3% | +$49K |
|
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.