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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
-18.31%
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
$10.2B
AUM Growth
-$6.3B
(-38%)
Cap. Flow
-$1.76B
Cap. Flow
% of AUM
-17.26%
Top 10 Holdings %
Top 10 Hldgs %
56.41%
Holding
1,310
New
462
Increased
107
Reduced
157
Closed
414
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
CMA
Comerica
CMA
|
+$91.8M |
| 2 |
REVG
REV Group
REVG
|
+$90.3M |
| 3 |
Kenvue
KVUE
|
+$86.1M |
| 4 |
RNAM
Avidity Biosciences
RNAM
|
+$74.8M |
| 5 |
Warner Bros
WBD
|
+$74.4M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
CRWV
CoreWeave
CRWV
|
+$1.4B |
| 2 |
MRUS
Merus
MRUS
|
+$98.4M |
| 3 |
K
Kellanova
K
|
+$93.8M |
| 4 |
AVDX
AvidXchange
AVDX
|
+$84.2M |
| 5 |
WNS
WNS Holdings
WNS
|
+$83.8M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 53.79% |
| 2 | Financials | 14.35% |
| 3 | Industrials | 5.38% |
| 4 | Healthcare | 4.38% |
| 5 | Communication Services | 3.15% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
401
Essex Property Trust
ESS
$18.1B
| $1.2M | 0.01% |
+4,585
| New | +$1.19M |
|
402
Builders FirstSource
BLDR
$7.1B
| $1.2M | 0.01% |
+11,652
| New | +$1.31M |
|
403
Hercules Capital
HTGC
$2.98B
| $1.2M | 0.01% |
63,570
+23,191
| +57% | +$418K |
|
404
Canadian Pacific Kansas City
CP
$77.5B
| $1.17M | 0.01% |
+15,843
| New | +$1.17M |
|
405
Pentair
PNR
$10.6B
| $1.16M | 0.01% |
+11,113
| New | +$1.19M |
|
406
Qualys
QLYS
$4.99B
| $1.13M | 0.01% |
+8,509
| New | +$1.17M |
|
407
Boston Scientific
BSX
$68.4B
| $1.13M | 0.01% |
11,841
-57,632
| -83% | -$5.65M |
|
408
Ondas Inc
ONDS
$4.32B
| $1.12M | 0.01% |
+114,823
| New | +$922K |
|
409
Cal-Maine
CALM
$4.09B
| $1.11M | 0.01% |
+13,918
| New | +$1.22M |
|
410
CMS Energy
CMS
$22.7B
| $1.09M | 0.01% |
+15,612
| New | +$1.14M |
|
411
Texas Roadhouse
TXRH
$13.7B
| $1.09M | 0.01% |
+6,567
| New | +$1.11M |
|
|
DOO
412
Bombardier Recreational Products
DOO
$4.58B
| $1.09M | 0.01% |
+15,362
| New | +$1.05M |
|
413
United Airlines
UAL
$40.1B
| $1.07M | 0.01% |
+9,591
| New | +$969K |
|
414
First Merchants
FRME
$2.69B
| $1.05M | 0.01% |
+28,043
| New | +$1.04M |
|
415
Idexx Laboratories
IDXX
$44.1B
| $1.05M | 0.01% |
+1,552
| New | +$1.06M |
|
|
GAP
416
The Gap Inc
GAP
$7.34B
| $1.04M | 0.01% |
+40,656
| New | +$985K |
|
|
VCICW
417
DELISTED
Vine Hill Capital Investment Corp Warrant
VCICW
| $1.04M | 0.01% |
580,000
-27,600
| -5% | -$49.1K |
|
418
Tetra Tech
TTEK
$8.31B
| $1.03M | 0.01% |
+30,856
| New | +$1.04M |
|
419
MGIC Investment
MTG
$6.25B
| $1.03M | 0.01% |
+35,320
| New | +$992K |
|
|
ONCH
420
1RT Acquisition Corp
ONCH
$222M
| $1.02M | 0.01% |
+100,000
| New | +$1.03M |
|
421
Stantec
STN
$7.92B
| $1.02M | 0.01% |
+10,801
| New | +$1.11M |
|
|
GTERA
422
Globa Terra Acquisition Corp
GTERA
$246M
| $1.01M | 0.01% |
100,000
| – | – |
|
423
Costco
COST
$423B
| $1.01M | 0.01% |
+1,170
| New | +$1.06M |
|
424
Hasbro
HAS
$13.4B
| $1M | 0.01% |
12,243
-26,247
| -68% | -$2.06M |
|
|
MZTI
425
The Marzetti Company
MZTI
$2.95B
| $1M | 0.01% |
6,098
+2,039
| +50% | +$340K |
|
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FCM
HL
DCP
Magnetar Financial's Q4 2025 Portfolio in Review
As of Q4 2025, Magnetar Financial held 1,310 positions worth $10.2B, down 38% from $16.5B the previous quarter. Its ten largest holdings account for 56% of the portfolio.
Magnetar Financial withdrew a net $1.76B in Q4 2025, closing 414 positions and reducing 157 holdings. Its most notable exit was Merus, an estimated $98.4M position sold in full.
By sector, the portfolio is most concentrated in Technology at 54% of assets, down from 72% a quarter earlier, followed by Financials and Industrials.
Against the trend, Magnetar Financial opened a new position in Comerica worth $99.1M.
- Magnetar Financial's largest Q4 2025 buy was Comerica: 1,139,969 shares worth $99.1M.
- Magnetar Financial added most to Qorvo in Q4 2025, an estimated $47.5M increase.
- Magnetar Financial's biggest Q4 2025 reduction was CoreWeave, cutting an estimated $1.4B.
- Magnetar Financial fully exited Merus in Q4 2025, selling an estimated $98.4M.
- Magnetar Financial's ten largest holdings make up 56% of its $10.2B portfolio in Q4 2025.
- Magnetar Financial opened 462 new positions and closed 414 in Q4 2025.
- Magnetar Financial's portfolio value fell 38% quarter-over-quarter to $10.2B.
Based on Magnetar Financial's 13F filing for Q4 2025, filed 17 Feb 2026.