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 | |
|---|---|---|---|---|---|---|
176
Palo Alto Networks
PANW
$313B
| $515M | 0.08% |
2,529,379
+2,271,937
| +883% | +$435M |
|
|
NBIS
177
PUT
Nebius Group N.V.
NBIS
$49.1B
| $515M | 0.08% |
4,587,100
+2,009,100
| +78% | +$139M |
|
178
CALL
Humana
HUM
$44.8B
| $515M | 0.08% |
1,979,000
+562,700
| +40% | +$148M |
|
|
OKLO
179
PUT
Oklo
OKLO
$8.74B
| $514M | 0.08% |
4,608,700
+187,700
| +4% | +$14.7M |
|
180
AT&T
T
$168B
| $514M | 0.08% |
18,184,180
-3,778,247
| -17% | -$107M |
|
181
PUT
Dell
DELL
$285B
| $509M | 0.08% |
3,589,000
-776,700
| -18% | -$101M |
|
182
PUT
Vistra
VST
$48.6B
| $508M | 0.08% |
2,590,400
+758,700
| +41% | +$150M |
|
183
CALL
Mercado Libre
MELI
$98.4B
| $506M | 0.08% |
216,700
+42,300
| +24% | +$102M |
|
184
CALL
Walt Disney
DIS
$179B
| $505M | 0.08% |
4,413,900
-308,800
| -7% | -$36.4M |
|
185
CALL
Chevron
CVX
$386B
| $503M | 0.08% |
3,237,420
+238,820
| +8% | +$37M |
|
186
PUT
Arm
ARM
$287B
| $502M | 0.08% |
3,551,100
-397,400
| -10% | -$57.9M |
|
187
Marriott International
MAR
$91.1B
| $499M | 0.08% |
1,914,314
+655,933
| +52% | +$176M |
|
188
CALL
Merck
MRK
$322B
| $497M | 0.08% |
5,917,500
+60,000
| +1% | +$4.94M |
|
189
CALL
Western Digital
WDC
$151B
| $495M | 0.08% |
4,122,000
+628,300
| +18% | +$51.3M |
|
190
CALL
CVS Health
CVS
$120B
| $492M | 0.07% |
6,525,800
+1,865,500
| +40% | +$128M |
|
191
CALL
Shopify
SHOP
$196B
| $492M | 0.07% |
3,308,700
+975,300
| +42% | +$132M |
|
192
PUT
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
$48.2B
| $490M | 0.07% |
1,057,500
+195,100
| +23% | +$87.9M |
|
193
PUT
Uber
UBER
$160B
| $489M | 0.07% |
4,986,600
-1,881,100
| -27% | -$176M |
|
194
PUT
Super Micro Computer
SMCI
$20.4B
| $485M | 0.07% |
10,115,400
+1,344,600
| +15% | +$64.2M |
|
195
CALL
Invesco S&P 500 Equal Weight ETF
RSP
$99.4B
| $481M | 0.07% |
2,535,600
+1,826,700
| +258% | +$340M |
|
196
Walmart Inc
WMT
$901B
| $481M | 0.07% |
4,666,394
+566,902
| +14% | +$56.4M |
|
|
197
PUT
Walmart Inc
WMT
$901B
| $480M | 0.07% |
4,659,600
-881,800
| -16% | -$87.8M |
|
198
CALL
Roblox
RBLX
$25.9B
| $476M | 0.07% |
3,437,200
+55,300
| +2% | +$6.87M |
|
|
199
PUT
Mercado Libre
MELI
$98.4B
| $475M | 0.07% |
203,100
+16,500
| +9% | +$39.6M |
|
200
CALL
Baidu
BIDU
$35.9B
| $474M | 0.07% |
3,594,200
+1,312,000
| +57% | +$130M |
|
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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.