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 | |
|---|---|---|---|---|---|---|
2026
Reliance Steel & Aluminium
RS
$21.8B
| $21.4M | ﹤0.01% |
68,264
-284,565
| -81% | -$84M |
|
2027
PUT
FMC
FMC
$1.27B
| $21.4M | ﹤0.01% |
513,100
-23,900
| -4% | -$949K |
|
2028
PUT
Kratos Defense & Security Solutions
KTOS
$12.1B
| $21.4M | ﹤0.01% |
460,900
+188,100
| +69% | +$6.81M |
|
2029
CALL
Fastenal
FAST
$58.5B
| $21.4M | ﹤0.01% |
509,000
-330,000
| -39% | -$13.4M |
|
2030
CALL
Ecolab
ECL
$77.4B
| $21.4M | ﹤0.01% |
79,300
+9,100
| +13% | +$2.31M |
|
2031
HF Sinclair
DINO
$16.7B
| $21.4M | ﹤0.01% |
519,952
-129,295
| -20% | -$4.45M |
|
2032
Klaviyo
KVYO
$5.26B
| $21.4M | ﹤0.01% |
635,919
-296,196
| -32% | -$9.38M |
|
|
PARA
2033
PUT
DELISTED
Paramount Global Class B
PARA
| $21.3M | ﹤0.01% |
1,653,700
+164,100
| +11% | +$1.92M |
|
2034
CALL
PureCycle Technologies
PCT
$1.4B
| $21.3M | ﹤0.01% |
1,556,500
+589,300
| +61% | +$5.22M |
|
2035
PUT
Crown Castle
CCI
$32.3B
| $21.3M | ﹤0.01% |
207,500
-173,300
| -46% | -$17.5M |
|
2036
Reynolds Consumer Products
REYN
$5.53B
| $21.3M | ﹤0.01% |
+995,093
| New | +$22.5M |
|
2037
NMI Holdings
NMIH
$3.44B
| $21.3M | ﹤0.01% |
505,156
+203,716
| +68% | +$7.65M |
|
2038
PUT
DaVita
DVA
$11.5B
| $21.2M | ﹤0.01% |
148,900
-46,200
| -24% | -$6.55M |
|
|
ETHA
2039
CALL
iShares Ethereum Trust ETF
ETHA
$5.54B
| $21.2M | ﹤0.01% |
+1,109,600
| New | +$18.4M |
|
2040
MYR Group
MYRG
$5.21B
| $21.1M | ﹤0.01% |
116,478
-101,070
| -46% | -$14.9M |
|
2041
CorMedix
CRMD
$592M
| $21.1M | ﹤0.01% |
1,714,215
+1,608,245
| +1,518% | +$17.8M |
|
2042
CALL
ResMed
RMD
$32.6B
| $21.1M | ﹤0.01% |
81,800
-22,600
| -22% | -$5.39M |
|
2043
Hecla Mining
HL
$12.3B
| $21.1M | ﹤0.01% |
3,515,008
+2,977,928
| +554% | +$16.4M |
|
2044
PUT
J.M. Smucker
SJM
$13B
| $21.1M | ﹤0.01% |
214,400
+107,500
| +101% | +$11.8M |
|
2045
Old Republic International
ORI
$10.3B
| $21M | ﹤0.01% |
547,477
+487,312
| +810% | +$18.3M |
|
2046
PUT
Fidelity National Information Services
FIS
$22.1B
| $21M | ﹤0.01% |
258,500
-67,000
| -21% | -$5.21M |
|
2047
Campbell Soup
CPB
$6.91B
| $21M | ﹤0.01% |
686,262
+596,186
| +662% | +$21M |
|
2048
PUT
Becton Dickinson
BDX
$50B
| $21M | ﹤0.01% |
122,100
-288,100
| -70% | -$52.8M |
|
2049
CALL
Agilent Technologies
A
$41.9B
| $21M | ﹤0.01% |
178,100
+15,800
| +10% | +$1.75M |
|
2050
Timken Company
TKR
$9.25B
| $21M | ﹤0.01% |
289,482
+230,864
| +394% | +$15.7M |
|
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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.