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 | |
|---|---|---|---|---|---|---|
4726
PUT
SiTime
SITM
$21.4B
| $3.39M | ﹤0.01% |
15,900
-16,200
| -50% | -$2.93M |
|
4727
EnerSys
ENS
$7.34B
| $3.39M | ﹤0.01% |
39,471
-111,908
| -74% | -$9.76M |
|
4728
CALL
Aehr Test Systems
AEHR
$4.37B
| $3.38M | ﹤0.01% |
261,700
-160,200
| -38% | -$1.52M |
|
4729
PUT
Alerian MLP ETF
AMLP
$13.2B
| $3.38M | ﹤0.01% |
69,200
+30,900
| +81% | +$1.5M |
|
4730
CALL
Harrow
HROW
$1.5B
| $3.38M | ﹤0.01% |
110,700
+23,400
| +27% | +$629K |
|
4731
CALL
iShares S&P 500 Growth ETF
IVW
$77.6B
| $3.38M | ﹤0.01% |
30,700
+17,200
| +127% | +$1.7M |
|
4732
PUT
Westlake Corp
WLK
$10.2B
| $3.38M | ﹤0.01% |
44,500
-1,400
| -3% | -$115K |
|
4733
PUT
VICI Properties
VICI
$29B
| $3.38M | ﹤0.01% |
103,600
+41,400
| +67% | +$1.32M |
|
|
HOLX
4734
CALL
DELISTED
Hologic
HOLX
| $3.38M | ﹤0.01% |
51,800
+15,100
| +41% | +$905K |
|
4735
PUT
CoStar Group
CSGP
$13.1B
| $3.37M | ﹤0.01% |
41,956
-89,476
| -68% | -$6.97M |
|
4736
CALL
iRhythm Holdings
IRTC
$4.17B
| $3.37M | ﹤0.01% |
21,900
-7,100
| -24% | -$918K |
|
4737
CALL
Manchester United
MANU
$4.17B
| $3.37M | ﹤0.01% |
189,200
+57,600
| +44% | +$853K |
|
4738
CALL
Tetra Tech
TTEK
$9.35B
| $3.37M | ﹤0.01% |
93,700
+3,800
| +4% | +$126K |
|
4739
PUT
Chefs' Warehouse
CHEF
$4.45B
| $3.37M | ﹤0.01% |
52,800
-3,000
| -5% | -$178K |
|
4740
CALL
Teekay Tankers
TNK
$2.95B
| $3.37M | ﹤0.01% |
80,700
-14,700
| -15% | -$629K |
|
|
ARR
4741
PUT
Armour Residential REIT
ARR
$2.37B
| $3.37M | ﹤0.01% |
200,240
-33,580
| -14% | -$539K |
|
4742
Kinetik
KNTK
$4.3B
| $3.36M | ﹤0.01% |
+76,372
| New | +$3.35M |
|
|
LWACU
4743
LightWave Acquisition Corp Units
LWACU
| $3.36M | ﹤0.01% |
+334,439
| New | +$3.36M |
|
4744
PUT
Equitable Holdings
EQH
$14.5B
| $3.36M | ﹤0.01% |
59,900
+44,000
| +277% | +$2.26M |
|
4745
CALL
Janus Henderson AAA CLO ETF
JAAA
$29.8B
| $3.36M | ﹤0.01% |
66,200
+48,400
| +272% | +$2.44M |
|
4746
PUT
Jack in the Box
JACK
$327M
| $3.35M | ﹤0.01% |
192,000
+86,900
| +83% | +$1.95M |
|
|
NVEE
4747
DELISTED
NV5 Global
NVEE
| $3.35M | ﹤0.01% |
145,170
+13,093
| +10% | +$262K |
|
4748
PUT
Ormat Technologies
ORA
$7.06B
| $3.35M | ﹤0.01% |
40,000
+37,600
| +1,567% | +$2.81M |
|
4749
CALL
Global X Defense Tech ETF
SHLD
$7.82B
| $3.35M | ﹤0.01% |
55,600
+55,500
| +55,500% | +$2.98M |
|
4750
Napco Security Technologies
NSSC
$1.37B
| $3.35M | ﹤0.01% |
112,738
+60,782
| +117% | +$1.56M |
|
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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.