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 | |
|---|---|---|---|---|---|---|
3101
Tarsus Pharmaceuticals
TARS
$3.04B
| $9.29M | ﹤0.01% |
229,246
-763,396
| -77% | -$34.4M |
|
3102
CALL
Kodiak Gas Services
KGS
$6.6B
| $9.28M | ﹤0.01% |
270,900
+188,700
| +230% | +$6.53M |
|
3103
PureCycle Technologies
PCT
$1.4B
| $9.28M | ﹤0.01% |
677,133
+36,196
| +6% | +$321K |
|
|
BPMC
3104
PUT
DELISTED
Blueprint Medicines
BPMC
| $9.27M | ﹤0.01% |
72,300
-11,600
| -14% | -$1.2M |
|
3105
CALL
Gold Fields
GFI
$36B
| $9.27M | ﹤0.01% |
391,500
+39,300
| +11% | +$903K |
|
3106
Federal Realty Investment Trust
FRT
$10.3B
| $9.27M | ﹤0.01% |
97,542
+70,486
| +261% | +$6.66M |
|
3107
CALL
Direxion Daily Gold Miners Index Bear 2X ETF
DUST
$50.4M
| $9.26M | ﹤0.01% |
37,550
+35,450
| +1,688% | +$10.2M |
|
3108
PUT
iShares 3-7 Year Treasury Bond ETF
IEI
$17.7B
| $9.24M | ﹤0.01% |
77,600
+46,600
| +150% | +$5.5M |
|
3109
CALL
CDW
CDW
$17.4B
| $9.23M | ﹤0.01% |
51,700
-9,000
| -15% | -$1.53M |
|
3110
Pediatrix Medical
MD
$2.16B
| $9.23M | ﹤0.01% |
643,288
+362,848
| +129% | +$4.98M |
|
3111
Gentherm
THRM
$1.35B
| $9.23M | ﹤0.01% |
326,246
+167,745
| +106% | +$4.45M |
|
3112
Helios Technologies
HLIO
$2.69B
| $9.21M | ﹤0.01% |
275,987
+273,393
| +10,539% | +$8.24M |
|
3113
Vertical Aerospace
EVTL
$142M
| $9.2M | ﹤0.01% |
1,358,842
-156,414
| -10% | -$733K |
|
3114
PUT
Axcelis
ACLS
$4.33B
| $9.2M | ﹤0.01% |
132,000
-68,800
| -34% | -$3.93M |
|
3115
JPMorgan BetaBuilders International Equity ETF
BBIN
$6.58B
| $9.18M | ﹤0.01% |
136,061
+131,178
| +2,686% | +$8.44M |
|
3116
Direxion Daily Small Cap Bull 3x ETF
TNA
$1.52B
| $9.18M | ﹤0.01% |
273,780
+266,004
| +3,421% | +$7.47M |
|
3117
CALL
FirstEnergy
FE
$27.4B
| $9.17M | ﹤0.01% |
227,700
+103,100
| +83% | +$4.25M |
|
3118
Sigma Lithium
SGML
$1.34B
| $9.17M | ﹤0.01% |
2,036,789
-494,225
| -20% | -$3.26M |
|
3119
CALL
Ambarella
AMBA
$3.6B
| $9.16M | ﹤0.01% |
138,700
-54,200
| -28% | -$2.87M |
|
3120
CALL
Mid-America Apartment Communities
MAA
$15.5B
| $9.16M | ﹤0.01% |
61,900
-1,900
| -3% | -$296K |
|
3121
CALL
Vanguard S&P 500 Growth ETF
VOOG
$27.3B
| $9.16M | ﹤0.01% |
138,600
+69,000
| +99% | +$4.11M |
|
3122
Graphic Packaging
GPK
$3.38B
| $9.16M | ﹤0.01% |
434,555
+252,045
| +138% | +$5.83M |
|
3123
PUT
Entegris
ENTG
$24.7B
| $9.15M | ﹤0.01% |
113,500
+65,500
| +136% | +$4.98M |
|
3124
PUT
Leidos
LDOS
$18B
| $9.15M | ﹤0.01% |
58,000
-31,200
| -35% | -$4.61M |
|
|
CAI
3125
Caris Life Sciences
CAI
$6.16B
| $9.13M | ﹤0.01% |
+341,570
| New | +$9.21M |
|
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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.