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 | |
|---|---|---|---|---|---|---|
12051
CALL
8x8 Inc
EGHT
$300M
| $21K | ﹤0.01% |
10,700
+5,600
| +110% | +$9.89K |
|
|
SLAI
12052
PUT
DELISTED
SOLAI Ltd ADS
SLAI
| $20.9K | ﹤0.01% |
1,457
-5,986
| -80% | -$76.5K |
|
12053
CALL
Sphere 3D
ANY
$18.1M
| $20.8K | ﹤0.01% |
+3,520
| New | +$22.4K |
|
12054
BioXcel Therapeutics
BTAI
$36.7M
| $20.6K | ﹤0.01% |
+11,378
| New | +$18.8K |
|
|
MRDN
12055
CALL
Meridian Holdings Inc
MRDN
$181M
| $20.6K | ﹤0.01% |
1,008
-434
| -30% | -$9.44K |
|
12056
PUT
GrowGeneration
GRWG
$104M
| $20.5K | ﹤0.01% |
21,900
+8,900
| +68% | +$9.49K |
|
|
WOK
12057
WORK Medical Technology Group
WOK
$5.37M
| – | – |
0
| – | – |
|
12058
CALL
GoPro
GPRO
$110M
| $20.4K | ﹤0.01% |
27,000
-44,900
| -62% | -$29.2K |
|
12059
HeartSciences Inc Warrant
HSCSW
| $20.4K | ﹤0.01% |
223,519
-1,290
| -0.6% | -$94 |
|
|
JZ
12060
Jianzhi Education Technology Group
JZ
$4.5M
| $20.4K | ﹤0.01% |
408
+369
| +946% | +$57.1K |
|
12061
PUT
Goldgroup Mining
GORO
$207M
| $20.4K | ﹤0.01% |
33,400
+20,800
| +165% | +$11.3K |
|
12062
XBP Global Holdings
XBP
$33.1M
| $20.4K | ﹤0.01% |
+2,189
| New | +$23.6K |
|
12063
CALL
Lightwave Logic
LWLG
$1.17B
| $20.2K | ﹤0.01% |
16,300
+16,000
| +5,333% | +$16.8K |
|
|
GAU
12064
CALL
Galiano Gold
GAU
$547M
| $20.1K | ﹤0.01% |
15,800
-4,000
| -20% | -$5.44K |
|
12065
AgEagle Aerial Systems
UAVS
$63.9M
| $20K | ﹤0.01% |
+19,385
| New | +$20.3K |
|
12066
Soligenix
SNGX
$8.71M
| $19.9K | ﹤0.01% |
+15,160
| New | +$28.6K |
|
|
NUVB.WS
12067
DELISTED
Nuvation Bio Inc Warrants
NUVB.WS
| $19.9K | ﹤0.01% |
73,545
-6
| -0% | -$1 |
|
12068
Addentax Group
ATXG
$4.28M
| $19.6K | ﹤0.01% |
1,949
+1,206
| +162% | +$12.7K |
|
|
BLDP
12069
CALL
Ballard Power Systems
BLDP
$814M
| $19.6K | ﹤0.01% |
12,300
-1,700
| -12% | -$2.27K |
|
|
GLDG
12070
GoldMining Inc
GLDG
$226M
| $19.5K | ﹤0.01% |
+27,027
| New | +$21K |
|
12071
iSpecimen
ISPC
$3.23M
| $19.1K | ﹤0.01% |
+487
| New | +$22.7K |
|
12072
Haoxi Health Technology Ltd
HAO
$1.46M
| $18.8K | ﹤0.01% |
+6
| New | +$20.3K |
|
12073
CALL
Coherus Oncology
CHRS
$185M
| $18.8K | ﹤0.01% |
25,700
-15,200
| -37% | -$13.1K |
|
12074
PUT
Alector
ALEC
$219M
| $18.8K | ﹤0.01% |
13,400
-9,800
| -42% | -$12.3K |
|
12075
CALL
Globus Maritime Ltd
GLBS
$78.6M
| $18.7K | ﹤0.01% |
+16,300
| New | +$18.6K |
|
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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.