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 |
NVIDIA
NVDA
|
+$820M |
| 2 |
Microsoft
MSFT
|
+$811M |
| 3 |
McDonald's
MCD
|
+$804M |
| 4 |
Coca-Cola
KO
|
+$655M |
| 5 |
Amazon
AMZN
|
+$646M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
SCHW
Charles Schwab
SCHW
|
+$1.64B |
| 2 |
Invesco QQQ Trust
QQQ
|
+$1.1B |
| 3 |
Strategy Inc
MSTR
|
+$564M |
| 4 |
Kroger
KR
|
+$558M |
| 5 |
Danaher
DHR
|
+$494M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 3.33% |
| 2 | Healthcare | 3.23% |
| 3 | Consumer Discretionary | 2.55% |
| 4 | Financials | 2.55% |
| 5 | Industrials | 1.94% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
|
VRNA
2101
PUT
DELISTED
Verona Pharma
VRNA
| $20M | ﹤0.01% |
211,100
-27,400
| -11% | -$2.03M |
|
|
SARO
2102
StandardAero Inc
SARO
$9.23B
| $20M | ﹤0.01% |
630,617
-1,963,082
| -76% | -$55.1M |
|
2103
PUT
Elastic
ESTC
$9.01B
| $20M | ﹤0.01% |
236,600
+139,700
| +144% | +$11.8M |
|
2104
PUT
ProShares Ultra QQQ
QLD
$14.4B
| $19.9M | ﹤0.01% |
338,800
+239,000
| +239% | +$11.6M |
|
2105
Methanex
MEOH
$4.34B
| $19.9M | ﹤0.01% |
602,220
+326,597
| +118% | +$10.5M |
|
2106
Navient
NAVI
$860M
| $19.9M | ﹤0.01% |
1,412,511
+823,694
| +140% | +$10.6M |
|
2107
Xtrackers MSCI EAFE Hedged Equity ETF
DBEF
$9.43B
| $19.9M | ﹤0.01% |
455,186
+443,224
| +3,705% | +$19.2M |
|
2108
Abercrombie & Fitch
ANF
$4.8B
| $19.9M | ﹤0.01% |
239,969
-210,749
| -47% | -$16M |
|
2109
Penske Automotive Group
PAG
$14.4B
| $19.9M | ﹤0.01% |
115,712
+65,525
| +131% | +$10.5M |
|
2110
CALL
CACI
CACI
$14.8B
| $19.9M | ﹤0.01% |
41,700
-7,000
| -14% | -$3.1M |
|
2111
PUT
Monster Beverage
MNST
$91.7B
| $19.9M | ﹤0.01% |
634,600
-187,800
| -23% | -$5.74M |
|
2112
Gogo Inc
GOGO
$383M
| $19.9M | ﹤0.01% |
1,353,892
+1,066,209
| +371% | +$10.8M |
|
2113
PUT
State Street
STT
$52.7B
| $19.9M | ﹤0.01% |
186,900
-8,100
| -4% | -$749K |
|
2114
Golar LNG
GLNG
$5.34B
| $19.8M | ﹤0.01% |
481,285
-181,283
| -27% | -$7.15M |
|
2115
Maximus
MMS
$2.89B
| $19.8M | ﹤0.01% |
281,906
+143,105
| +103% | +$10.1M |
|
2116
PUT
Oneok
OKE
$59.9B
| $19.8M | ﹤0.01% |
242,400
-46,300
| -16% | -$3.86M |
|
2117
PUT
TeraWulf
WULF
$8.67B
| $19.7M | ﹤0.01% |
4,507,400
+1,075,200
| +31% | +$3.67M |
|
2118
PUT
Plains All American Pipeline
PAA
$16.9B
| $19.7M | ﹤0.01% |
1,076,400
+15,600
| +1% | +$272K |
|
2119
Expro Ltd
XPRO
$2.1B
| $19.7M | ﹤0.01% |
2,294,814
-104,482
| -4% | -$887K |
|
2120
CALL
BigBear.ai
BBAI
$1.57B
| $19.7M | ﹤0.01% |
2,903,000
+1,309,100
| +82% | +$4.73M |
|
2121
PUT
HubSpot
HUBS
$11.2B
| $19.7M | ﹤0.01% |
35,400
-5,800
| -14% | -$3.4M |
|
2122
Cullinan Oncology
CGEM
$1.31B
| $19.7M | ﹤0.01% |
2,613,693
-133,452
| -5% | -$1.07M |
|
2123
CALL
Alnylam Pharmaceuticals
ALNY
$30.6B
| $19.7M | ﹤0.01% |
60,300
-23,200
| -28% | -$6.42M |
|
2124
PUT
YPF Sociedad Anonima ADS
YPF
$19.6B
| $19.6M | ﹤0.01% |
624,800
-405,200
| -39% | -$13.5M |
|
2125
PUT
Allstate
ALL
$66.1B
| $19.6M | ﹤0.01% |
97,600
-20,200
| -17% | -$4.03M |
|
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Ken Griffin's Q2 2025 Portfolio in Review
As of Q2 2025, Ken Griffin held 15,819 positions worth $576B, up 9.2% from $527B the previous quarter. Its ten largest holdings account for 27% of the portfolio.
Ken Griffin withdrew a net $29.1B in Q2 2025, closing 3,524 positions and reducing 5,141 holdings. Its most notable exit was Kroger, an estimated $558M position sold in full.
By sector, the portfolio is most concentrated in Technology at 3.3% of assets, up from 2.9% a quarter earlier, followed by Healthcare and Consumer Discretionary.
Against the trend, Ken Griffin opened a new position in Walmart Inc worth $401M.
- Ken Griffin's largest Q2 2025 buy was Walmart Inc: 4,099,492 shares worth $401M.
- Ken Griffin added most to NVIDIA in Q2 2025, an estimated $820M increase.
- Ken Griffin's biggest Q2 2025 reduction was Charles Schwab, cutting an estimated $1.64B.
- Ken Griffin fully exited Kroger in Q2 2025, selling an estimated $558M.
- Ken Griffin's ten largest holdings make up 27% of its $576B portfolio in Q2 2025.
- Ken Griffin opened 1,459 new positions and closed 3,524 in Q2 2025.
- Ken Griffin's portfolio value rose 9.2% quarter-over-quarter to $576B.
Based on Citadel Advisors's 13F filing for Q2 2025, filed 14 Aug 2025.