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 | |
|---|---|---|---|---|---|---|
1301
Jones Lang LaSalle
JLL
$16.9B
| $53.3M | 0.01% |
178,575
+103,544
| +138% | +$29.6M |
|
1302
PUT
Vertex Pharmaceuticals
VRTX
$128B
| $53.3M | 0.01% |
136,000
+10,900
| +9% | +$4.56M |
|
1303
Carrier Global
CARR
$51.8B
| $53.2M | 0.01% |
890,693
+238,765
| +37% | +$16.2M |
|
1304
ANI Pharmaceuticals
ANIP
$1.72B
| $53.1M | 0.01% |
580,085
+10,455
| +2% | +$853K |
|
1305
CALL
Chewy
CHWY
$9.17B
| $53.1M | 0.01% |
1,313,500
-707,400
| -35% | -$27.3M |
|
1306
iShares Core MSCI EAFE ETF
IEFA
$196B
| $52.9M | 0.01% |
606,052
+601,878
| +14,420% | +$51.1M |
|
|
NB
1307
NioCorp Developments
NB
$764M
| $52.9M | 0.01% |
+7,915,051
| New | +$33.4M |
|
1308
Target
TGT
$70.6B
| $52.9M | 0.01% |
589,297
-125,669
| -18% | -$12.4M |
|
1309
Cipher Digital
CIFR
$6.82B
| $52.9M | 0.01% |
4,198,307
+2,237,932
| +114% | +$16.9M |
|
1310
Zscaler
ZS
$30.1B
| $52.8M | 0.01% |
176,214
-1,023,480
| -85% | -$292M |
|
1311
ResMed
RMD
$32.9B
| $52.7M | 0.01% |
192,594
-174,802
| -48% | -$47.7M |
|
1312
CALL
Rio Tinto
RIO
$157B
| $52.7M | 0.01% |
798,300
+346,100
| +77% | +$21.4M |
|
1313
Ares Management
ARES
$32.8B
| $52.7M | 0.01% |
+329,428
| New | +$59.4M |
|
1314
CALL
Novartis
NVS
$285B
| $52.6M | 0.01% |
410,400
+42,500
| +12% | +$5.19M |
|
1315
Ryan Specialty Holdings
RYAN
$10.8B
| $52.6M | 0.01% |
933,119
+928,975
| +22,417% | +$55M |
|
1316
CALL
Cboe Global Markets
CBOE
$30.9B
| $52.6M | 0.01% |
214,400
+53,600
| +33% | +$12.9M |
|
|
CSGS
1317
DELISTED
CSG Systems International
CSGS
| $52.5M | 0.01% |
814,791
+362,910
| +80% | +$23.1M |
|
1318
CALL
American Electric Power
AEP
$68.1B
| $52.4M | 0.01% |
466,100
+38,800
| +9% | +$4.25M |
|
1319
Republic Services
RSG
$66B
| $52.3M | 0.01% |
227,852
-85,593
| -27% | -$20.1M |
|
1320
PUT
2x Bitcoin ETF
BITX
$840M
| $52.3M | 0.01% |
948,800
-195,000
| -17% | -$11.4M |
|
1321
Antero Resources
AR
$11.6B
| $52.2M | 0.01% |
1,555,903
-577,899
| -27% | -$19.3M |
|
1322
Biogen
BIIB
$31B
| $52.2M | 0.01% |
372,728
-235,862
| -39% | -$31.9M |
|
|
PSKY
1323
PUT
Paramount Skydance Corp
PSKY
$11.2B
| $52.1M | 0.01% |
+2,755,959
| New | +$43.6M |
|
|
DOCU
1324
CALL
DocuSign
DOCU
$11.7B
| $51.9M | 0.01% |
720,400
+304,100
| +73% | +$23.4M |
|
1325
CALL
Steel Dynamics
STLD
$37.3B
| $51.9M | 0.01% |
372,400
+98,400
| +36% | +$12.9M |
|
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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.