Ken Griffin Citadel Advisors
Ken Griffin founded Citadel, one of the world’s largest and most successful hedge funds. Starting his trading career from his Harvard dorm room at a young age, Griffin quickly developed a keen sense for markets and built Citadel into a global powerhouse with billions in assets under management. Known for his quantitative and technology-driven strategies, Griffin has also made headlines for significant philanthropic contributions, supporting causes in education, the arts, and public institutions. Over the years, he has earned recognition as one of the preeminent figures in modern finance.
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Meta Platforms (Facebook)
META
|
+$1.45B |
| 2 |
Visa
V
|
+$1.05B |
| 3 |
Microsoft
MSFT
|
+$1.01B |
| 4 |
Apple
AAPL
|
+$578M |
| 5 |
Norfolk Southern
NSC
|
+$545M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
HES
Hess
HES
|
+$1.24B |
| 2 |
McDonald's
MCD
|
+$707M |
| 3 |
JPMorgan Chase
JPM
|
+$680M |
| 4 |
Texas Instruments
TXN
|
+$678M |
| 5 |
Edwards Lifesciences
EW
|
+$664M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 3.8% |
| 2 | Healthcare | 2.66% |
| 3 | Financials | 2.38% |
| 4 | Consumer Discretionary | 2.05% |
| 5 | Industrials | 2% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
551
CALL
IonQ
IONQ
$18.3B
| $168M | 0.03% |
2,727,500
+638,000
| +31% | +$30M |
|
552
PUT
Marathon Digital Holdings
MARA
$3.55B
| $167M | 0.03% |
9,170,200
+2,002,600
| +28% | +$33.8M |
|
553
CALL
Thermo Fisher Scientific
TMO
$220B
| $167M | 0.03% |
344,600
-15,000
| -4% | -$6.98M |
|
554
CALL
FedEx
FDX
$80.3B
| $167M | 0.03% |
708,000
-324,100
| -31% | -$74.7M |
|
|
555
PUT
IonQ
IONQ
$18.3B
| $167M | 0.03% |
2,709,300
+8,100
| +0.3% | +$381K |
|
556
Hamilton Lane
HLNE
$5.91B
| $166M | 0.03% |
1,233,264
+536,898
| +77% | +$81M |
|
557
CALL
Moderna
MRNA
$25.4B
| $166M | 0.03% |
6,432,900
+1,734,700
| +37% | +$48.4M |
|
558
PUT
Cloudflare
NET
$118B
| $166M | 0.03% |
774,300
+112,400
| +17% | +$22.9M |
|
559
PUT
KLA
KLAC
$273B
| $166M | 0.03% |
1,540,000
+525,000
| +52% | +$49M |
|
|
B
560
PUT
Barrick Mining
B
$67.4B
| $166M | 0.03% |
5,067,400
+592,000
| +13% | +$15M |
|
561
CALL
Rivian
RIVN
$22.9B
| $166M | 0.03% |
11,289,400
+1,380,800
| +14% | +$18.5M |
|
562
PUT
AngloGold Ashanti
AU
$48.1B
| $166M | 0.03% |
2,354,700
+1,482,000
| +170% | +$82.9M |
|
563
Shell
SHEL
$248B
| $165M | 0.03% |
+2,306,783
| New | +$166M |
|
564
PUT
Elevance Health
ELV
$86.4B
| $165M | 0.03% |
510,300
+268,500
| +111% | +$83.5M |
|
565
PUT
State Street SPDR S&P Homebuilders ETF
XHB
$1.6B
| $164M | 0.03% |
1,483,100
-718,600
| -33% | -$78.8M |
|
566
PUT
Wayfair
W
$13.8B
| $164M | 0.03% |
1,838,300
+338,100
| +23% | +$24.8M |
|
567
Rockwell Automation
ROK
$49.6B
| $164M | 0.02% |
468,985
-71,420
| -13% | -$24.7M |
|
568
General Dynamics
GD
$106B
| $164M | 0.02% |
480,536
+47,039
| +11% | +$14.8M |
|
569
TKO Group
TKO
$14.5B
| $163M | 0.02% |
807,666
+804,404
| +24,660% | +$147M |
|
570
Iris Energy
IREN
$15.9B
| $163M | 0.02% |
3,465,876
-1,724,987
| -33% | -$41.9M |
|
571
CALL
Corpay
CPAY
$27.8B
| $163M | 0.02% |
564,300
+164,700
| +41% | +$52.5M |
|
572
Nutrien
NTR
$32.1B
| $162M | 0.02% |
2,752,669
+714,571
| +35% | +$41.6M |
|
573
Alaska Air
ALK
$5.32B
| $161M | 0.02% |
3,239,599
+2,740,319
| +549% | +$152M |
|
574
Philip Morris
PM
$294B
| $161M | 0.02% |
994,062
+84,833
| +9% | +$14.3M |
|
575
Vistra
VST
$49.3B
| $161M | 0.02% |
822,905
+464,224
| +129% | +$92M |
|
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Ken Griffin's Q3 2025 Portfolio in Review
As of Q3 2025, Ken Griffin held 14,587 positions worth $657B, up 14% from $576B the previous quarter. Its ten largest holdings account for 25% of the portfolio.
Ken Griffin's Q3 2025 filing shows 2,292 new, 5,365 increased, 4,887 reduced and 1,963 closed positions. Its largest new stake was Permian Resources: 18,381,735 shares worth $235M. The largest sale was Hess, an estimated $1.24B.
By sector, the portfolio is most concentrated in Technology at 3.8% of assets, up from 3.3% a quarter earlier, followed by Healthcare and Financials.
- Ken Griffin's largest Q3 2025 buy was Permian Resources: 18,381,735 shares worth $235M.
- Ken Griffin added most to Meta Platforms (Facebook) in Q3 2025, an estimated $1.45B increase.
- Ken Griffin's biggest Q3 2025 reduction was McDonald's, cutting an estimated $707M.
- Ken Griffin fully exited Hess in Q3 2025, selling an estimated $1.24B.
- Ken Griffin's ten largest holdings make up 25% of its $657B portfolio in Q3 2025.
- Ken Griffin opened 2,292 new positions and closed 1,963 in Q3 2025.
- Ken Griffin's portfolio value rose 14% quarter-over-quarter to $657B.
Based on Citadel Advisors's 13F filing for Q3 2025, filed 14 Nov 2025.