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 | |
|---|---|---|---|---|---|---|
76
PUT
Micron Technology
MU
$981B
| $953M | 0.17% |
7,730,500
+525,000
| +7% | +$49M |
|
77
CALL
Adobe
ADBE
$105B
| $918M | 0.16% |
2,372,000
+386,100
| +19% | +$149M |
|
78
PUT
Boeing
BA
$184B
| $899M | 0.16% |
4,292,000
+76,700
| +2% | +$14.5M |
|
79
CALL
Applovin
APP
$107B
| $898M | 0.16% |
2,564,700
+120,000
| +5% | +$38.9M |
|
80
PUT
State Street Industrial Select Sector SPDR ETF
XLI
$34.7B
| $890M | 0.15% |
6,030,200
+4,423,600
| +275% | +$603M |
|
81
CALL
Snowflake
SNOW
$116B
| $880M | 0.15% |
3,934,100
+5,800
| +0.1% | +$1.05M |
|
82
CALL
Walmart Inc
WMT
$901B
| $876M | 0.15% |
8,963,900
-1,824,000
| -17% | -$174M |
|
83
PUT
Berkshire Hathaway Class B
BRK.B
$1.11T
| $872M | 0.15% |
1,795,500
+98,500
| +6% | +$50M |
|
84
PUT
Citigroup
C
$228B
| $862M | 0.15% |
10,124,600
+829,200
| +9% | +$59.9M |
|
85
Medtronic
MDT
$116B
| $854M | 0.15% |
9,796,855
+1,135,688
| +13% | +$96.3M |
|
86
CALL
Nike
NKE
$61.3B
| $845M | 0.15% |
11,887,900
+4,418,200
| +59% | +$265M |
|
87
CALL
Home Depot
HD
$353B
| $806M | 0.14% |
2,199,700
+255,200
| +13% | +$92.3M |
|
88
Texas Instruments
TXN
$257B
| $786M | 0.14% |
3,784,102
+3,089,922
| +445% | +$549M |
|
|
89
Home Depot
HD
$353B
| $785M | 0.14% |
2,140,064
+494,775
| +30% | +$179M |
|
90
Mondelez International
MDLZ
$78.9B
| $783M | 0.14% |
11,617,484
+5,950,798
| +105% | +$397M |
|
|
91
McDonald's
MCD
$194B
| $778M | 0.14% |
2,661,364
+2,608,742
| +4,958% | +$804M |
|
92
PUT
Alibaba
BABA
$306B
| $768M | 0.13% |
6,775,000
-932,200
| -12% | -$110M |
|
93
CALL
Salesforce
CRM
$162B
| $767M | 0.13% |
2,811,000
+347,700
| +14% | +$93M |
|
94
CALL
IBM
IBM
$225B
| $766M | 0.13% |
2,597,800
-123,700
| -5% | -$31.9M |
|
95
CALL
First Solar
FSLR
$25.9B
| $759M | 0.13% |
4,583,600
+2,149,500
| +88% | +$317M |
|
96
Capital One
COF
$134B
| $756M | 0.13% |
3,553,889
+954,296
| +37% | +$178M |
|
97
CALL
GE Aerospace
GE
$382B
| $756M | 0.13% |
2,935,400
+1,009,100
| +52% | +$221M |
|
98
CALL
Super Micro Computer
SMCI
$20.4B
| $753M | 0.13% |
15,372,500
+1,567,600
| +11% | +$60.4M |
|
99
CALL
Arm
ARM
$287B
| $750M | 0.13% |
4,640,000
+399,600
| +9% | +$49.6M |
|
100
CALL
Spotify
SPOT
$103B
| $736M | 0.13% |
959,000
-147,600
| -13% | -$94.7M |
|
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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.