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 |
iShares Core S&P 500 ETF
IVV
|
+$2.72B |
| 2 |
Meta Platforms (Facebook)
META
|
+$660M |
| 3 |
Micron Technology
MU
|
+$605M |
| 4 |
Mastercard
MA
|
+$497M |
| 5 |
Tesla
TSLA
|
+$495M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Amazon
AMZN
|
+$1.33B |
| 2 |
Visa
V
|
+$1.26B |
| 3 |
State Street SPDR S&P 500 ETF Trust
SPY
|
+$1.23B |
| 4 |
Lam Research
LRCX
|
+$699M |
| 5 |
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
|
+$681M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 4.49% |
| 2 | Healthcare | 2.99% |
| 3 | Financials | 2.85% |
| 4 | Industrials | 2.56% |
| 5 | Consumer Discretionary | 2.23% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
3426
PUT
Sun Communities
SUI
$15B
| $8.58M | ﹤0.01% |
68,100
+65,800
| +2,861% | +$8.5M |
|
3427
iShares MSCI EAFE ETF
EFA
$80.3B
| $8.58M | ﹤0.01% |
88,309
-598,377
| -87% | -$59.9M |
|
3428
iShares Core Dividend Growth ETF
DGRO
$43.8B
| $8.58M | ﹤0.01% |
+122,200
| New | +$8.76M |
|
|
SA
3429
CALL
Seabridge Gold
SA
$3.62B
| $8.58M | ﹤0.01% |
302,600
-62,900
| -17% | -$2.01M |
|
3430
PUT
American Water Works
AWK
$27.1B
| $8.57M | ﹤0.01% |
63,000
-4,000
| -6% | -$529K |
|
3431
Dorian LPG
LPG
$2.03B
| $8.56M | ﹤0.01% |
250,428
+96,517
| +63% | +$3.06M |
|
3432
CALL
Labcorp
LH
$25.8B
| $8.56M | ﹤0.01% |
32,100
+19,100
| +147% | +$5.17M |
|
3433
Full Truck Alliance
YMM
$9.14B
| $8.54M | ﹤0.01% |
1,028,630
+588,787
| +134% | +$5.6M |
|
3434
Diebold Nixdorf
DBD
$2.48B
| $8.53M | ﹤0.01% |
113,071
+29,652
| +36% | +$2.18M |
|
3435
PUT
Flex
FLEX
$46.6B
| $8.52M | ﹤0.01% |
130,200
-419,400
| -76% | -$26.8M |
|
3436
Vanguard Global ex-US Real Estate ETF
VNQI
$3.51B
| $8.52M | ﹤0.01% |
+191,642
| New | +$9.13M |
|
3437
PUT
Equinor
EQNR
$96.8B
| $8.52M | ﹤0.01% |
201,800
+61,900
| +44% | +$1.87M |
|
3438
CALL
Invesco KBW Bank ETF
KBWB
$6.87B
| $8.51M | ﹤0.01% |
107,600
+52,700
| +96% | +$4.41M |
|
3439
PUT
Sterling Infrastructure
STRL
$17.6B
| $8.51M | ﹤0.01% |
20,900
-15,200
| -42% | -$5.94M |
|
3440
Invesco S&P International Developed Momentum ETF
IDMO
$4.3B
| $8.51M | ﹤0.01% |
155,104
+119,650
| +337% | +$6.85M |
|
3441
PUT
ProShares UltraShort Bloomberg Natural Gas
KOLD
$120M
| $8.5M | ﹤0.01% |
391,400
+51,200
| +15% | +$1.27M |
|
3442
CALL
Paycom
PAYC
$9.83B
| $8.5M | ﹤0.01% |
69,900
-25,900
| -27% | -$3.47M |
|
3443
NexGen Energy
NXE
$6.97B
| $8.49M | ﹤0.01% |
732,128
-2,737,798
| -79% | -$32.7M |
|
|
SII
3444
Sprott
SII
$3B
| $8.49M | ﹤0.01% |
+59,411
| New | +$7.95M |
|
3445
PUT
Agilent Technologies
A
$41.9B
| $8.48M | ﹤0.01% |
74,400
-89,800
| -55% | -$11.4M |
|
3446
PUT
Under Armour
UAA
$2.3B
| $8.48M | ﹤0.01% |
1,434,800
-667,000
| -32% | -$4.32M |
|
3447
Cipher Digital
CIFR
$7.41B
| $8.47M | ﹤0.01% |
+658,172
| New | +$10.4M |
|
3448
PUT
Illinois Tool Works
ITW
$82.8B
| $8.46M | ﹤0.01% |
32,500
+23,600
| +265% | +$6.42M |
|
3449
PUT
Broadridge
BR
$19.5B
| $8.45M | ﹤0.01% |
52,000
+48,300
| +1,305% | +$9.18M |
|
3450
PUT
Factset
FDS
$10.1B
| $8.44M | ﹤0.01% |
38,900
+2,900
| +8% | +$677K |
|
Similar funds
Ken Griffin's Q1 2026 Portfolio in Review
As of Q1 2026, Ken Griffin held 14,860 positions worth $618B, down 7.1% from $666B the previous quarter. Its ten largest holdings account for 22% of the portfolio.
Ken Griffin withdrew a net $19.5B in Q1 2026, closing 2,003 positions and reducing 5,286 holdings. Its most notable exit was CyberArk, an estimated $305M position sold in full.
By sector, the portfolio is most concentrated in Technology at 4.5% of assets, down from 4.9% a quarter earlier, followed by Healthcare and Financials.
Against the trend, Ken Griffin opened a new position in iShares 7-10 Year Treasury Bond ETF worth $327M.
- Ken Griffin's largest Q1 2026 buy was iShares 7-10 Year Treasury Bond ETF: 3,431,225 shares worth $327M.
- Ken Griffin added most to iShares Core S&P 500 ETF in Q1 2026, an estimated $2.72B increase.
- Ken Griffin's biggest Q1 2026 reduction was Amazon, cutting an estimated $1.33B.
- Ken Griffin fully exited CyberArk in Q1 2026, selling an estimated $305M.
- Ken Griffin's ten largest holdings make up 22% of its $618B portfolio in Q1 2026.
- Ken Griffin opened 2,347 new positions and closed 2,003 in Q1 2026.
- Ken Griffin's portfolio value fell 7.1% quarter-over-quarter to $618B.
Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.