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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 | |
|---|---|---|---|---|---|---|
776
Lockheed Martin
LMT
$134B
| $265K | ﹤0.01% |
+442
| New | +$272K |
|
777
Arbutus Biopharma
ABUS
$865M
| $263K | ﹤0.01% |
+58,516
| New | +$256K |
|
778
Thermo Fisher Scientific
TMO
$211B
| $263K | ﹤0.01% |
+548
| New | +$297K |
|
|
SAAQW
779
Space Asset Acquisition Corp Warrants
SAAQW
$7M
| $263K | ﹤0.01% |
+300,000
| New | +$198K |
|
780
Constellium
CSTM
$3.96B
| $263K | ﹤0.01% |
+10,697
| New | +$255K |
|
|
TEN
781
Tsakos Energy Navigation Ltd
TEN
$1.19B
| $261K | ﹤0.01% |
+6,613
| New | +$203K |
|
782
Cogent Communications
CCOI
$594M
| $261K | ﹤0.01% |
+13,846
| New | +$305K |
|
783
Rentokil
RTO
$14.3B
| $261K | ﹤0.01% |
+8,285
| New | +$261K |
|
784
Nordic American Tanker
NAT
$1.37B
| $261K | ﹤0.01% |
44,501
+7,763
| +21% | +$36.7K |
|
785
Synaptics
SYNA
$4.41B
| $260K | ﹤0.01% |
+3,715
| New | +$302K |
|
786
BGC Group
BGC
$5.58B
| $259K | ﹤0.01% |
26,497
+4,575
| +21% | +$42.4K |
|
787
Gentherm
THRM
$1.31B
| $259K | ﹤0.01% |
9,323
+1,721
| +23% | +$56.2K |
|
788
CGI
GIB
$13.9B
| $259K | ﹤0.01% |
3,541
-25,967
| -88% | -$2.07M |
|
789
Donaldson
DCI
$10.8B
| $259K | ﹤0.01% |
3,048
-38,960
| -93% | -$3.76M |
|
|
EVAC.WS
790
EQV Ventures Acquisition Corp II Warrants
EVAC.WS
| $258K | ﹤0.01% |
833,331
| – | – |
|
791
Altria Group
MO
$122B
| $258K | ﹤0.01% |
3,845
-9,952
| -72% | -$640K |
|
|
ECO
792
Okeanis Eco Tankers
ECO
$2.26B
| $257K | ﹤0.01% |
5,089
-9,121
| -64% | -$401K |
|
793
Mueller Industries
MLI
$14.1B
| $257K | ﹤0.01% |
+4,646
| New | +$279K |
|
794
Vera Therapeutics
VERA
$2.54B
| $257K | ﹤0.01% |
+6,397
| New | +$276K |
|
795
BridgeBio Pharma
BBIO
$16.5B
| $257K | ﹤0.01% |
+3,465
| New | +$251K |
|
796
Smith & Wesson
SWBI
$655M
| $256K | ﹤0.01% |
+17,866
| New | +$217K |
|
797
FIVE9
FIVN
$1.77B
| $256K | ﹤0.01% |
16,874
+1,680
| +11% | +$29.2K |
|
798
Molina Healthcare
MOH
$10.3B
| $256K | ﹤0.01% |
+1,946
| New | +$310K |
|
799
Royal Bank of Canada
RY
$291B
| $256K | ﹤0.01% |
1,580
-23,313
| -94% | -$3.9M |
|
800
Li Auto
LI
$12.6B
| $255K | ﹤0.01% |
+14,318
| New | +$250K |
|
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.