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 | |
|---|---|---|---|---|---|---|
11026
CALL
Barnes & Noble Education
BNED
$421M
| $133K | ﹤0.01% |
11,300
+8,000
| +242% | +$85.3K |
|
11027
Lanvin Group Holdings
LANV
$125M
| $133K | ﹤0.01% |
+60,683
| New | +$133K |
|
11028
CALL
Fulcrum Therapeutics
FULC
$285M
| $133K | ﹤0.01% |
19,300
+4,200
| +28% | +$22.5K |
|
|
SNCY
11029
CALL
DELISTED
Sun Country Airlines
SNCY
| $133K | ﹤0.01% |
11,300
-95,000
| -89% | -$1.04M |
|
11030
LiveWire
LVWR
$246M
| $133K | ﹤0.01% |
28,860
-15,158
| -34% | -$45.4K |
|
11031
Orchestra BioMed
OBIO
$265M
| $133K | ﹤0.01% |
49,441
+28,961
| +141% | +$84.5K |
|
11032
CALL
NET Power
NPWR
$173M
| $132K | ﹤0.01% |
53,600
+39,800
| +288% | +$83.6K |
|
11033
CALL
Myriad Genetics
MYGN
$290M
| $132K | ﹤0.01% |
24,900
+9,500
| +62% | +$56.1K |
|
|
OPTU
11034
CALL
Optimum Communications Inc
OPTU
$251M
| $132K | ﹤0.01% |
61,700
+38,800
| +169% | +$91K |
|
11035
PUT
Cambria Tail Risk ETF
TAIL
$146M
| $132K | ﹤0.01% |
11,000
-7,400
| -40% | -$92K |
|
11036
US Gold Corp
USAU
$245M
| $132K | ﹤0.01% |
10,802
-112,101
| -91% | -$1.23M |
|
|
SIMA
11037
SIM Acquisition Corp I
SIMA
$90.3M
| $132K | ﹤0.01% |
12,634
+1,697
| +16% | +$17.5K |
|
11038
PUT
Gran Tierra Energy
GTE
$325M
| $132K | ﹤0.01% |
27,600
+1,900
| +7% | +$9.01K |
|
11039
CALL
Clarivate
CLVT
$1.23B
| $132K | ﹤0.01% |
30,600
-42,100
| -58% | -$170K |
|
|
POLE
11040
Andretti Acquisition Corp II
POLE
$319M
| $131K | ﹤0.01% |
12,666
+1,063
| +9% | +$10.9K |
|
11041
PUT
GeoPark
GPRK
$615M
| $131K | ﹤0.01% |
20,100
+7,100
| +55% | +$48.5K |
|
|
AVNS
11042
PUT
DELISTED
Avanos Medical
AVNS
| $131K | ﹤0.01% |
10,700
-2,500
| -19% | -$31.4K |
|
|
TBMC
11043
DELISTED
Trailblazer Merger Corp I
TBMC
| $131K | ﹤0.01% |
+11,182
| New | +$131K |
|
|
RPC
11044
CALL
Ridgepost Capital
RPC
$956M
| $131K | ﹤0.01% |
12,800
-60,000
| -82% | -$643K |
|
|
AKYA
11045
DELISTED
Akoya BioSciences
AKYA
| $131K | ﹤0.01% |
+100,467
| New | +$121K |
|
|
AIOS
11046
AIOS Tech
AIOS
$39M
| $131K | ﹤0.01% |
+1,750
| New | +$169K |
|
|
ELEV
11047
DELISTED
Elevation Oncology
ELEV
| $130K | ﹤0.01% |
+355,203
| New | +$119K |
|
11048
PUT
Blend Labs
BLND
$352M
| $130K | ﹤0.01% |
39,500
+34,400
| +675% | +$117K |
|
11049
Dakota Gold
DC
$836M
| $130K | ﹤0.01% |
35,307
+35,179
| +27,484% | +$110K |
|
11050
Data I/O
DAIO
$32.9M
| $130K | ﹤0.01% |
42,369
+1,148
| +3% | +$2.89K |
|
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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.