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 | |
|---|---|---|---|---|---|---|
11851
CALL
Wheels Up
UP
$182M
| $38.5K | ﹤0.01% |
1,800
+505
| +39% | +$12.4K |
|
11852
Elevai Labs
ELAB
$4.13M
| $38.5K | ﹤0.01% |
+212
| New | +$45.9K |
|
|
RTB
11853
RTB Digital
RTB
$237M
| $38.5K | ﹤0.01% |
1,292
+772
| +148% | +$21.8K |
|
|
FOCL
11854
PUT
EDAP TMS S.A.
FOCL
$178M
| $38.4K | ﹤0.01% |
23,400
+3,000
| +15% | +$5.4K |
|
|
GXAI
11855
Gaxos.ai
GXAI
$8.92M
| $38.2K | ﹤0.01% |
+27,124
| New | +$34.2K |
|
11856
Nexalin Technology
NXL
$7.7M
| $38K | ﹤0.01% |
+37,289
| New | +$52.4K |
|
|
NIU
11857
CALL
Niu Technologies
NIU
$163M
| $38K | ﹤0.01% |
11,300
-700
| -6% | -$2.41K |
|
11858
CALL
CPS Technologies
CPSH
$83.6M
| $37.7K | ﹤0.01% |
13,600
+11,700
| +616% | +$25K |
|
|
ZONE
11859
CleanCore Solutions
ZONE
$35.7M
| $37.6K | ﹤0.01% |
15,465
-35,211
| -69% | -$71.1K |
|
11860
MMTec
MTC
$287M
| $37.3K | ﹤0.01% |
+35,214
| New | +$36.2K |
|
|
BNAI
11861
Brand Engagement Network
BNAI
$108M
| $37.3K | ﹤0.01% |
8,474
-802
| -9% | -$2.72K |
|
|
EMX
11862
CALL
DELISTED
EMX Royalty
EMX
| $37K | ﹤0.01% |
+14,700
| New | +$33K |
|
11863
Heartbeam
BEAT
$28.1M
| $37K | ﹤0.01% |
+29,632
| New | +$49.2K |
|
|
GBIO
11864
CALL
DELISTED
Generation Bio
GBIO
| $37K | ﹤0.01% |
11,560
+4,520
| +64% | +$17.4K |
|
11865
CALL
Cytosorbents Corp
CTSO
$25.1M
| $37K | ﹤0.01% |
28,900
+20,800
| +257% | +$20.9K |
|
11866
PUT
Conduent
CNDT
$236M
| $37K | ﹤0.01% |
14,000
-400
| -3% | -$939 |
|
11867
PUT
Mammoth Energy Services
TUSK
$160M
| $37K | ﹤0.01% |
13,200
+11,300
| +595% | +$28.9K |
|
11868
CALL
Diana Shipping
DSX
$309M
| $36.9K | ﹤0.01% |
25,300
-69,100
| -73% | -$104K |
|
|
NOTE
11869
DELISTED
FiscalNote
NOTE
| $36.5K | ﹤0.01% |
5,670
+5,329
| +1,563% | +$39.9K |
|
11870
Verrica Pharmaceuticals
VRCA
$85.4M
| $36.4K | ﹤0.01% |
+6,866
| New | +$36.9K |
|
11871
CALL
Research Frontiers
REFR
$15.3M
| $36.1K | ﹤0.01% |
22,300
-87,200
| -80% | -$128K |
|
11872
PUT
NN Inc
NNBR
$322M
| $36.1K | ﹤0.01% |
17,200
-1,400
| -8% | -$2.79K |
|
11873
Dolphin Entertainment
DLPN
$15.6M
| $36.1K | ﹤0.01% |
+31,353
| New | +$33.7K |
|
11874
PUT
Laser Photonics
LASE
$74.3M
| $36K | ﹤0.01% |
+13,400
| New | +$35.1K |
|
|
ANEB
11875
DELISTED
Anebulo Pharmaceuticals
ANEB
| $36K | ﹤0.01% |
25,017
+13,848
| +124% | +$15.8K |
|
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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.