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 | |
|---|---|---|---|---|---|---|
3326
Amylyx Pharmaceuticals
AMLX
$2.41B
| $7.97M | ﹤0.01% |
1,242,927
-1,514,849
| -55% | -$7.37M |
|
3327
QuinStreet
QNST
$1.18B
| $7.96M | ﹤0.01% |
494,678
+170,728
| +53% | +$2.74M |
|
|
EFOR
3328
Everforth Inc
EFOR
$1.3B
| $7.96M | ﹤0.01% |
159,405
-109,787
| -41% | -$6M |
|
3329
Innospec
IOSP
$2.31B
| $7.95M | ﹤0.01% |
94,576
+19,432
| +26% | +$1.7M |
|
3330
State Street Health Care Select Sector SPDR ETF
XLV
$43.8B
| $7.95M | ﹤0.01% |
58,977
-68,341
| -54% | -$9.23M |
|
|
OSG
3331
Octave Specialty Group
OSG
$221M
| $7.94M | ﹤0.01% |
1,118,761
+16,039
| +1% | +$119K |
|
|
TPC
3332
CALL
Tutor Perini Cor
TPC
$5.09B
| $7.93M | ﹤0.01% |
169,600
-10,400
| -6% | -$331K |
|
3333
Impinj
PI
$5.28B
| $7.91M | ﹤0.01% |
71,177
+51,119
| +255% | +$5.08M |
|
3334
CALL
Copart
CPRT
$29.3B
| $7.9M | ﹤0.01% |
161,000
-110,700
| -41% | -$6.2M |
|
3335
PUT
Sony
SONY
$142B
| $7.9M | ﹤0.01% |
303,500
-126,000
| -29% | -$3.15M |
|
3336
PUT
Viper Energy
VNOM
$15.2B
| $7.89M | ﹤0.01% |
207,000
+4,900
| +2% | +$198K |
|
3337
Stride
LRN
$3.46B
| $7.89M | ﹤0.01% |
54,317
+6,353
| +13% | +$919K |
|
3338
Vanguard Energy ETF
VDE
$10.6B
| $7.88M | ﹤0.01% |
66,189
+54,282
| +456% | +$6.32M |
|
3339
CALL
AerCap
AER
$24B
| $7.87M | ﹤0.01% |
67,300
-298,400
| -82% | -$32.3M |
|
|
BBNX
3340
Beta Bionics
BBNX
$790M
| $7.86M | ﹤0.01% |
539,963
-406,387
| -43% | -$5.75M |
|
3341
CALL
Ovintiv
OVV
$17.4B
| $7.86M | ﹤0.01% |
206,600
+61,300
| +42% | +$2.25M |
|
3342
PUT
Dycom Industries
DY
$12.6B
| $7.84M | ﹤0.01% |
32,100
-11,800
| -27% | -$2.32M |
|
3343
CALL
United Therapeutics
UTHR
$21.4B
| $7.84M | ﹤0.01% |
27,300
+4,200
| +18% | +$1.26M |
|
3344
PUT
Global X Silver Miners ETF NEW
SIL
$4.79B
| $7.84M | ﹤0.01% |
162,900
-72,100
| -31% | -$3.08M |
|
3345
PUT
Novavax
NVAX
$1.33B
| $7.83M | ﹤0.01% |
1,242,500
+592,000
| +91% | +$3.92M |
|
|
CMA
3346
PUT
DELISTED
Comerica
CMA
| $7.83M | ﹤0.01% |
131,200
+26,600
| +25% | +$1.48M |
|
3347
CALL
AGNC Investment
AGNC
$13B
| $7.83M | ﹤0.01% |
851,500
-1,289,400
| -60% | -$11.5M |
|
3348
CALL
WillScot Mobile Mini Holdings
WSC
$4.31B
| $7.82M | ﹤0.01% |
285,500
+46,100
| +19% | +$1.23M |
|
3349
PUT
Kohl's
KSS
$2.18B
| $7.82M | ﹤0.01% |
921,800
-186,400
| -17% | -$1.43M |
|
3350
MakeMyTrip
MMYT
$5.68B
| $7.82M | ﹤0.01% |
79,734
+69,907
| +711% | +$7.05M |
|
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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.