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 | |
|---|---|---|---|---|---|---|
|
NXTS
12151
Nexentis Technologies
NXTS
$2.78M
| $10.8K | ﹤0.01% |
191
-25
| -12% | -$1.68K |
|
|
VIVK
12152
Vivakor
VIVK
$893K
| $10.6K | ﹤0.01% |
3
-14
| -82% | -$47.3K |
|
12153
CALL
Atossa Therapeutics
ATOS
$25.9M
| $10.5K | ﹤0.01% |
847
-1,406
| -62% | -$16.8K |
|
|
NVX
12154
NOVONIX
NVX
$110M
| $10.4K | ﹤0.01% |
+10,279
| New | +$11.8K |
|
|
AMPGW
12155
DELISTED
Amplitech Group Warrants
AMPGW
| $10.3K | ﹤0.01% |
22,816
-4,651
| -17% | -$2.13K |
|
|
MRSN
12156
CALL
DELISTED
Mersana Therapeutics
MRSN
| $10.2K | ﹤0.01% |
1,372
+720
| +110% | +$6.33K |
|
|
FBGL
12157
FBS Global
FBGL
$5.34M
| $9.68K | ﹤0.01% |
+15,920
| New | +$10.6K |
|
12158
CALL
Immunic
IMUX
$219M
| $9.21K | ﹤0.01% |
1,320
+1,260
| +2,100% | +$11.6K |
|
12159
Rocket Pharmaceuticals Warrant
RCKTW
$117K
| $9.07K | ﹤0.01% |
314,842
-2,461
| -0.8% | -$102 |
|
12160
PUT
Rockwell Medical
RMTI
$29.2M
| $8.82K | ﹤0.01% |
1,040
-450
| -30% | -$4.59K |
|
|
TRIB
12161
CALL
Trinity Biotech
TRIB
$7.88M
| $8.82K | ﹤0.01% |
443
-447
| -50% | -$8.97K |
|
12162
CALL
Beyond Air
XAIR
$5.6M
| $8.55K | ﹤0.01% |
124
+31
| +33% | +$2.52K |
|
12163
PUT
ReWalk Robotics
LFWD
$21M
| $8.51K | ﹤0.01% |
1,100
+925
| +529% | +$14.2K |
|
12164
PUT
MoneyHero
MNY
$40.1M
| $8.39K | ﹤0.01% |
11,200
-900
| -7% | -$678 |
|
|
NOTE
12165
CALL
DELISTED
FiscalNote
NOTE
| $8.37K | ﹤0.01% |
1,300
-4,142
| -76% | -$31K |
|
|
FLZH
12166
CALL
Flash Sports & Media Holdings
FLZH
$71.1M
| $8.28K | ﹤0.01% |
1,100
+780
| +244% | +$7.89K |
|
12167
CALL
BioAtla
BCAB
$5.15M
| $8.2K | ﹤0.01% |
414
+8
| +2% | +$162 |
|
|
RZLVW
12168
Rezolve AI Warrants
RZLVW
$5.47M
| $8.14K | ﹤0.01% |
+11,000
| New | +$5.37K |
|
|
COOT
12169
Australian Oilseeds Holdings
COOT
$12.9M
| $7.91K | ﹤0.01% |
+10,404
| New | +$8.57K |
|
|
FRSX
12170
CALL
Foresight Autonomous Holdings
FRSX
$3.87M
| $7.64K | ﹤0.01% |
790
-91
| -10% | -$1.14K |
|
|
LONA
12171
CALL
LeonaBio Inc
LONA
$74.8M
| $7.28K | ﹤0.01% |
2,410
+980
| +69% | +$2.77K |
|
|
NXLIW
12172
DELISTED
Nexalin Technology Inc Warrant
NXLIW
| $7.27K | ﹤0.01% |
90,907
-2,226
| -2% | -$286 |
|
12173
Alpha Tau Medical Warrant
DRTSW
$87.6M
| $7.27K | ﹤0.01% |
33,043
-7,650
| -19% | -$1.7K |
|
12174
PUT
Leslie's
LESL
$6.04M
| $7.26K | ﹤0.01% |
865
-620
| -42% | -$8.16K |
|
|
IPST
12175
IP Strategy Holdings
IPST
$1.59M
| $7.25K | ﹤0.01% |
45
-195
| -81% | -$41.8K |
|
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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.