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 | |
|---|---|---|---|---|---|---|
1051
Valvoline
VVV
$4.25B
| $63.3M | 0.01% |
1,670,255
+211,373
| +14% | +$7.39M |
|
1052
Healthpeak Properties
DOC
$14.3B
| $63.2M | 0.01% |
+3,610,732
| New | +$64.1M |
|
1053
PUT
Lyft
LYFT
$6.48B
| $63.1M | 0.01% |
4,002,200
+562,300
| +16% | +$7.88M |
|
1054
Lockheed Martin
LMT
$138B
| $63M | 0.01% |
135,924
-117,390
| -46% | -$54.9M |
|
|
NBIS
1055
Nebius Group N.V.
NBIS
$69.3B
| $62.9M | 0.01% |
1,136,926
-3,493,116
| -75% | -$120M |
|
1056
Madrigal Pharmaceuticals
MDGL
$12.4B
| $62.7M | 0.01% |
207,339
+206,538
| +25,785% | +$61.5M |
|
1057
CALL
Southern Company
SO
$107B
| $62.7M | 0.01% |
683,100
+171,200
| +33% | +$15.4M |
|
1058
Braze
BRZE
$3.36B
| $62.7M | 0.01% |
2,229,616
+1,767,270
| +382% | +$55.9M |
|
1059
PUT
Best Buy
BBY
$18B
| $62.6M | 0.01% |
932,500
+118,700
| +15% | +$8.06M |
|
|
BRSL
1060
Brightstar Lottery PLC
BRSL
$2.15B
| $62.5M | 0.01% |
3,955,056
+2,118,633
| +115% | +$33.3M |
|
1061
Ambarella
AMBA
$3.6B
| $62.5M | 0.01% |
945,660
+234,407
| +33% | +$12.4M |
|
1062
PUT
CME Group
CME
$94.3B
| $62.4M | 0.01% |
226,500
+131,800
| +139% | +$35.8M |
|
|
AKRO
1063
DELISTED
Akero Therapeutics
AKRO
| $62.4M | 0.01% |
1,169,682
-739,648
| -39% | -$33.6M |
|
1064
Synaptics
SYNA
$4.3B
| $62.4M | 0.01% |
962,579
+105,921
| +12% | +$6.23M |
|
1065
Cadence Design Systems
CDNS
$89.2B
| $62.2M | 0.01% |
201,768
-1,250,696
| -86% | -$364M |
|
1066
Arch Capital
ACGL
$33.2B
| $62.1M | 0.01% |
682,490
+493,005
| +260% | +$45.5M |
|
1067
CALL
Emerson Electric
EMR
$91.4B
| $62.1M | 0.01% |
465,700
-67,700
| -13% | -$7.77M |
|
1068
CALL
iShares MSCI Canada ETF
EWC
$6.55B
| $62.1M | 0.01% |
1,343,900
+958,500
| +249% | +$41.4M |
|
1069
CALL
Marriott International
MAR
$92.5B
| $62M | 0.01% |
226,800
-60,700
| -21% | -$15.2M |
|
|
JHG
1070
DELISTED
Janus Henderson
JHG
| $61.9M | 0.01% |
1,594,627
+1,362,739
| +588% | +$48M |
|
1071
PUT
2x Bitcoin ETF
BITX
$862M
| $61.8M | 0.01% |
1,143,800
+299,100
| +35% | +$14.4M |
|
1072
CALL
Enterprise Products Partners
EPD
$82.1B
| $61.8M | 0.01% |
1,992,200
-73,300
| -4% | -$2.28M |
|
|
FISV
1073
PUT
Fiserv Inc
FISV
$29.5B
| $61.8M | 0.01% |
358,200
+203,300
| +131% | +$36.9M |
|
1074
Jabil
JBL
$38.8B
| $61.6M | 0.01% |
282,288
-72,398
| -20% | -$11.7M |
|
1075
Whirlpool
WHR
$2.79B
| $61.6M | 0.01% |
606,999
+388,205
| +177% | +$32.3M |
|
Similar funds
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.