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 | |
|---|---|---|---|---|---|---|
1676
CALL
State Street
STT
$52.7B
| $29.3M | 0.01% |
276,000
+159,800
| +138% | +$14.8M |
|
1677
Vail Resorts
MTN
$5.28B
| $29.3M | 0.01% |
186,580
-293,473
| -61% | -$43.6M |
|
1678
NextDecade
NEXT
$1.91B
| $29.3M | 0.01% |
3,286,692
-366,480
| -10% | -$2.84M |
|
1679
Enovis
ENOV
$1.5B
| $29.3M | 0.01% |
933,406
+230,935
| +33% | +$7.64M |
|
1680
PUT
NexGen Energy
NXE
$6.97B
| $29.3M | 0.01% |
4,217,400
+3,600
| +0.1% | +$20.3K |
|
1681
CALL
Mettler-Toledo International
MTD
$28.4B
| $29.3M | 0.01% |
24,900
+2,500
| +11% | +$2.79M |
|
|
WCC
1682
WESCO International
WCC
$17.6B
| $29.2M | 0.01% |
157,746
+79,708
| +102% | +$13.1M |
|
1683
Onto Innovation
ONTO
$20.3B
| $29.2M | 0.01% |
289,064
+285,949
| +9,180% | +$30.5M |
|
1684
CALL
Crocs
CROX
$6.32B
| $29.2M | 0.01% |
287,900
-169,600
| -37% | -$17.3M |
|
1685
Veeva Systems
VEEV
$39.6B
| $29.1M | 0.01% |
101,209
-15,739
| -13% | -$3.9M |
|
1686
Baidu
BIDU
$35.2B
| $29.1M | 0.01% |
339,491
-184,438
| -35% | -$15.9M |
|
1687
CALL
MGM Resorts International
MGM
$11.1B
| $29.1M | 0.01% |
846,300
-208,200
| -20% | -$6.6M |
|
1688
CALL
Viking Therapeutics
VKTX
$3.87B
| $29.1M | 0.01% |
1,097,300
-222,300
| -17% | -$5.85M |
|
1689
Bath & Body Works
BBWI
$3.91B
| $29M | 0.01% |
968,462
+222,457
| +30% | +$6.51M |
|
1690
Transocean
RIG
$6.43B
| $29M | 0.01% |
11,194,699
+7,923,043
| +242% | +$20.4M |
|
1691
Yum! Brands
YUM
$40.4B
| $29M | 0.01% |
195,503
-2,286,441
| -92% | -$334M |
|
1692
V2X
VVX
$2.6B
| $28.9M | 0.01% |
595,789
+563,507
| +1,746% | +$26.8M |
|
1693
PUT
Aon
AON
$75.5B
| $28.9M | 0.01% |
81,000
+41,300
| +104% | +$15M |
|
1694
Innoviva
INVA
$1.53B
| $28.9M | 0.01% |
1,438,243
+714,488
| +99% | +$13.7M |
|
1695
Lumentum
LITE
$82.1B
| $28.9M | 0.01% |
303,820
-291,038
| -49% | -$20.7M |
|
1696
Saia
SAIA
$10.3B
| $28.9M | 0.01% |
105,335
-244,245
| -70% | -$69.6M |
|
|
RAL
1697
Ralliant Corp
RAL
$8B
| $28.9M | 0.01% |
+595,056
| New | +$29.3M |
|
1698
SS&C Technologies
SSNC
$19.1B
| $28.8M | 0.01% |
347,881
-350,764
| -50% | -$27.6M |
|
1699
PUT
Stanley Black & Decker
SWK
$15.4B
| $28.8M | 0.01% |
424,900
+283,800
| +201% | +$18.3M |
|
1700
PUT
Markel Group
MKL
$22.9B
| $28.8M | 0.01% |
14,400
+2,100
| +17% | +$3.94M |
|
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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.