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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
Cap. Flow
-$305M
Cap. Flow %
-3.09%
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 icon
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
PGC icon
1326
Peapack-Gladstone Financial
PGC
$822M
– –
-11,742
Closed -$327K
PHR icon
1327
Phreesia
PHR
$632M
– –
-16,366
Closed -$277K
PII icon
1328
Polaris
PII
$4.15B
– –
-56,150
Closed -$3.55M
PJT icon
1329
PJT Partners
PJT
$4.37B
– –
-1,744
Closed -$292K
PLAB icon
1330
Photronics
PLAB
$1.79B
– –
-9,048
Closed -$290K
PLAY icon
1331
Dave & Buster's
PLAY
$343M
– –
-11,413
Closed -$185K
PLD icon
1332
Prologis
PLD
$138B
– –
-25,749
Closed -$3.29M
POOL icon
1333
Pool Corp
POOL
$6.7B
– –
-7,556
Closed -$1.73M
POWL icon
1334
Powell Industries
POWL
$8.46B
– –
-2,529
Closed -$269K
PRDO icon
1335
Perdoceo Education
PRDO
$1.9B
– –
-10,848
Closed -$318K
PSA icon
1336
Public Storage
PSA
$60.2B
– –
-6,763
Closed -$1.75M
PSMT icon
1337
Pricesmart
PSMT
$5.75B
– –
-2,257
Closed -$277K
PSX icon
1338
Phillips 66
PSX
$82.9B
– –
-2,395
Closed -$309K
PTC icon
1339
PTC
PTC
$13.7B
– –
-14,481
Closed -$2.52M
PTEN icon
1340
Patterson-UTI
PTEN
$3.87B
– –
-40,469
Closed -$247K
PTON icon
1341
Peloton Interactive
PTON
$2.63B
– –
-11,630
Closed -$71.6K
QLYS icon
1342
Qualys
QLYS
$4.84B
– –
-8,509
Closed -$1.13M
R icon
1343
Ryder
R
$10.4B
– –
-2,649
Closed -$507K
RBLX icon
1344
Roblox
RBLX
$34B
– –
-8,324
Closed -$674K
REVG
1345
DELISTED
REV Group
REVG
– –
-1,608,032
Closed -$97.8M
REXR icon
1346
Rexford Industrial Realty
REXR
$8.8B
– –
-21,543
Closed -$834K
RHI icon
1347
Robert Half
RHI
$3.61B
– –
-17,072
Closed -$464K
RIOT icon
1348
Riot Platforms
RIOT
$8.52B
– –
-24,903
Closed -$316K
RL icon
1349
Ralph Lauren
RL
$22.2B
– –
-2,436
Closed -$861K
RNAM
1350
DELISTED
Avidity Biosciences
RNAM
– –
-1,158,603
Closed -$83.6M
52 53
54
55 56

Similar funds

HI
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MPI
Mairs & Power Inc St Paul, Minnesota $9.79B AUM 20.6% 1-Year Est. Return
URS
Utah Retirement Systems Salt Lake City, Utah $9.78B AUM 28.72% 1-Year Est. Return
FPAS
Focus Partners Advisor Solutions Saint Louis, Missouri $9.92B AUM 21.52% 1-Year Est. Return
CCM
Cullen Capital Management New York $9.75B AUM 21.81% 1-Year Est. Return
OAM
OP Asset Management Helsinki $9.95B AUM 30.22% 1-Year Est. Return
FCM
Frontier Capital Management Boston, Massachusetts $9.73B AUM 55.65% 1-Year Est. Return
HL
Harding Loevner Bridgewater, New Jersey $9.72B AUM 22.38% 1-Year Est. Return

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.