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 | |
|---|---|---|---|---|---|---|
1276
CALL
On Holding
ONON
$10.9B
| $46.4M | 0.01% |
891,300
-344,400
| -28% | -$17.5M |
|
1277
First Majestic Silver
AG
$9.54B
| $46.4M | 0.01% |
5,609,003
-1,633,449
| -23% | -$11M |
|
1278
Quantum Computing Inc
QUBT
$2.03B
| $46.2M | 0.01% |
2,410,194
+2,181,556
| +954% | +$24M |
|
1279
Aon
AON
$75.9B
| $46.2M | 0.01% |
129,484
-153,215
| -54% | -$55.5M |
|
1280
Consolidated Edison
ED
$40.3B
| $46.1M | 0.01% |
459,648
-1,390,622
| -75% | -$147M |
|
1281
CALL
CF Industries
CF
$17.9B
| $46.1M | 0.01% |
501,200
+107,800
| +27% | +$9.18M |
|
1282
PUT
Workday
WDAY
$49B
| $46M | 0.01% |
191,600
+40,300
| +27% | +$9.82M |
|
1283
Hancock Whitney
HWC
$6.41B
| $46M | 0.01% |
800,940
+778,787
| +3,515% | +$41.4M |
|
1284
W.W. Grainger
GWW
$62.3B
| $45.9M | 0.01% |
44,108
-21,200
| -32% | -$22M |
|
1285
PUT
Core Scientific
CORZ
$6.28B
| $45.8M | 0.01% |
2,685,400
+770,800
| +40% | +$7.71M |
|
1286
CALL
Sunrun
RUN
$2.43B
| $45.8M | 0.01% |
5,602,700
+3,285,800
| +142% | +$25.8M |
|
1287
PUT
Antero Resources
AR
$11.4B
| $45.8M | 0.01% |
1,137,700
+231,900
| +26% | +$8.78M |
|
1288
CALL
T. Rowe Price
TROW
$23.6B
| $45.8M | 0.01% |
474,300
+160,000
| +51% | +$14.7M |
|
1289
CALL
Astera Labs
ALAB
$54.5B
| $45.7M | 0.01% |
504,900
+63,300
| +14% | +$5M |
|
|
BRSL
1290
CALL
Brightstar Lottery PLC
BRSL
$2.15B
| $45.6M | 0.01% |
2,886,500
+293,400
| +11% | +$4.61M |
|
1291
IonQ
IONQ
$18.7B
| $45.6M | 0.01% |
1,061,470
-622,502
| -37% | -$20.9M |
|
1292
Amneal Pharmaceuticals
AMRX
$6.16B
| $45.5M | 0.01% |
5,624,682
-1,867,347
| -25% | -$14.1M |
|
1293
CALL
Five Below
FIVE
$13.5B
| $45.5M | 0.01% |
346,600
-205,800
| -37% | -$20M |
|
1294
CALL
Sempra
SRE
$56.8B
| $45.4M | 0.01% |
599,700
-228,600
| -28% | -$17M |
|
|
1295
PUT
Sempra
SRE
$56.8B
| $45.4M | 0.01% |
599,600
+123,000
| +26% | +$9.13M |
|
1296
Ocular Therapeutix
OCUL
$2.14B
| $45.3M | 0.01% |
4,886,014
+74,906
| +2% | +$586K |
|
1297
PUT
Teradyne
TER
$62.7B
| $45.2M | 0.01% |
502,800
+19,400
| +4% | +$1.55M |
|
1298
FTAI Aviation
FTAI
$22.2B
| $45.1M | 0.01% |
392,346
+86,479
| +28% | +$9.67M |
|
1299
PUT
Comcast
CMCSA
$93.8B
| $45.1M | 0.01% |
1,264,500
+100,100
| +9% | +$3.46M |
|
1300
Suncor Energy
SU
$77.9B
| $45.1M | 0.01% |
1,204,777
+626,430
| +108% | +$22.7M |
|
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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.