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 | |
|---|---|---|---|---|---|---|
2526
PUT
Logitech
LOGI
$14.8B
| $14.5M | ﹤0.01% |
160,800
+40,300
| +33% | +$3.27M |
|
|
JCAP
2527
Jefferson Capital
JCAP
$1.38B
| $14.5M | ﹤0.01% |
+785,000
| New | +$14.7M |
|
2528
CALL
Madrigal Pharmaceuticals
MDGL
$11.7B
| $14.5M | ﹤0.01% |
47,800
-20,700
| -30% | -$6.17M |
|
2529
CALL
Huntington Ingalls Industries
HII
$12.9B
| $14.5M | ﹤0.01% |
59,900
-400
| -0.7% | -$89.3K |
|
2530
PUT
SolarEdge
SEDG
$1.99B
| $14.5M | ﹤0.01% |
708,800
+297,300
| +72% | +$4.92M |
|
2531
PUT
Range Resources
RRC
$9.42B
| $14.4M | ﹤0.01% |
355,200
+128,900
| +57% | +$4.86M |
|
2532
CALL
Knight Transportation
KNX
$11.8B
| $14.4M | ﹤0.01% |
326,500
+88,300
| +37% | +$3.75M |
|
2533
CALL
BioNTech
BNTX
$23.4B
| $14.4M | ﹤0.01% |
135,600
-238,800
| -64% | -$24.1M |
|
2534
PUT
T. Rowe Price
TROW
$23.6B
| $14.4M | ﹤0.01% |
149,600
+27,800
| +23% | +$2.55M |
|
2535
Paycom
PAYC
$9.83B
| $14.4M | ﹤0.01% |
+62,181
| New | +$14.7M |
|
2536
CALL
Restaurant Brands International
QSR
$27.1B
| $14.4M | ﹤0.01% |
216,600
-56,500
| -21% | -$3.77M |
|
2537
BridgeBio Pharma
BBIO
$15.6B
| $14.3M | ﹤0.01% |
332,325
-2,598,708
| -89% | -$94.5M |
|
2538
PUT
TG Therapeutics
TGTX
$7.46B
| $14.3M | ﹤0.01% |
398,400
-3,400
| -0.8% | -$127K |
|
2539
Iron Mountain
IRM
$38.5B
| $14.3M | ﹤0.01% |
139,791
-1,112,001
| -89% | -$105M |
|
2540
CALL
MasTec
MTZ
$23.9B
| $14.3M | ﹤0.01% |
84,000
-2,700
| -3% | -$389K |
|
2541
PUT
PACCAR
PCAR
$68.8B
| $14.3M | ﹤0.01% |
150,600
+22,700
| +18% | +$2.1M |
|
2542
CALL
Credit Acceptance
CACC
$6.1B
| $14.3M | ﹤0.01% |
28,100
+20,400
| +265% | +$10M |
|
2543
PGIM AAA CLO ETF
PAAA
$11.3B
| $14.3M | ﹤0.01% |
+278,138
| New | +$14.2M |
|
2544
Phillips 66
PSX
$93.2B
| $14.3M | ﹤0.01% |
119,848
-29,234
| -20% | -$3.28M |
|
2545
PUT
BWX Technologies
BWXT
$15.9B
| $14.3M | ﹤0.01% |
99,100
+14,000
| +16% | +$1.64M |
|
2546
PUT
CRISPR Therapeutics
CRSP
$5.18B
| $14.3M | ﹤0.01% |
293,400
-119,300
| -29% | -$4.62M |
|
|
HNGE
2547
PUT
Hinge Health
HNGE
$7.14B
| $14.3M | ﹤0.01% |
+275,400
| New | +$11.1M |
|
2548
Oric Pharmaceuticals
ORIC
$1.44B
| $14.2M | ﹤0.01% |
1,402,768
+890,879
| +174% | +$5.98M |
|
2549
ArcBest
ARCB
$3.19B
| $14.2M | ﹤0.01% |
184,867
+89,923
| +95% | +$5.86M |
|
2550
CALL
Kyndryl
KD
$2.87B
| $14.2M | ﹤0.01% |
339,100
-403,900
| -54% | -$14.6M |
|
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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.