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 | |
|---|---|---|---|---|---|---|
|
TRVG
11426
PUT
trivago
TRVG
$365M
| $188K | ﹤0.01% |
+69,200
| New | +$198K |
|
11427
CALL
Community Health Systems
CYH
$419M
| $187K | ﹤0.01% |
63,700
-7,100
| -10% | -$23K |
|
|
GPAT
11428
GP-Act III Acquisition Corp
GPAT
| $186K | ﹤0.01% |
17,172
+2,263
| +15% | +$24.4K |
|
11429
CALL
AdvisorShares Psychedelics ETF
PSIL
$52.5M
| $186K | ﹤0.01% |
+11,000
| New | +$187K |
|
|
ALMU
11430
PUT
Aeluma Inc
ALMU
$322M
| $186K | ﹤0.01% |
+14,200
| New | +$235K |
|
11431
UNIFI
UFI
$120M
| $186K | ﹤0.01% |
52,065
+17,059
| +49% | +$65.7K |
|
11432
PUT
EVgo
EVGO
$519M
| $186K | ﹤0.01% |
107,900
-204,000
| -65% | -$545K |
|
|
CAN
11433
CALL
Canaan Creative
CAN
$159M
| $186K | ﹤0.01% |
429,600
-730,700
| -63% | -$427K |
|
11434
CALL
Personalis
PSNL
$1.54B
| $185K | ﹤0.01% |
29,100
+8,200
| +39% | +$69.2K |
|
11435
PUT
Endava
DAVA
$167M
| $185K | ﹤0.01% |
41,900
-58,200
| -58% | -$321K |
|
|
WLTH
11436
PUT
Wealthfront Corp
WLTH
$1.41B
| $185K | ﹤0.01% |
+20,000
| New | +$183K |
|
11437
PUT
Helix Energy Solutions
HLX
$1.49B
| $185K | ﹤0.01% |
18,700
+2,700
| +17% | +$23K |
|
11438
Stran & Co
SWAG
$36.3M
| $185K | ﹤0.01% |
112,071
+26,134
| +30% | +$47.5K |
|
11439
Better Online Solutions
BOSC
$31.8M
| $185K | ﹤0.01% |
41,181
-15,624
| -28% | -$75.9K |
|
|
RKNG
11440
Defiance Retail Kings ETF
RKNG
$6.15M
| $185K | ﹤0.01% |
+10,076
| New | +$211K |
|
11441
PUT
Enanta Pharmaceuticals
ENTA
$391M
| $184K | ﹤0.01% |
+14,600
| New | +$196K |
|
11442
CALL
BGSF Inc
BGSF
$59.2M
| $184K | ﹤0.01% |
28,500
+2,300
| +9% | +$13.4K |
|
|
TONX
11443
CALL
TON Strategy Co
TONX
$160M
| $184K | ﹤0.01% |
74,600
-64,300
| -46% | -$162K |
|
11444
Adaptive Hedged Multi-Asset Income ETF
AMAX
$69.1M
| $184K | ﹤0.01% |
+23,992
| New | +$193K |
|
11445
PUT
Gerdau
GGB
$9.42B
| $184K | ﹤0.01% |
51,000
+27,800
| +120% | +$109K |
|
11446
Coda Octopus Group
CODA
$115M
| $184K | ﹤0.01% |
16,283
-21,732
| -57% | -$266K |
|
11447
Jerash Holdings
JRSH
$67.7M
| $184K | ﹤0.01% |
+63,656
| New | +$198K |
|
|
NVX
11448
NOVONIX
NVX
$106M
| $184K | ﹤0.01% |
266,401
+221,325
| +491% | +$215K |
|
11449
PUT
RF Industries
RFIL
$144M
| $184K | ﹤0.01% |
+17,800
| New | +$181K |
|
11450
Blue Ridge Bankshares
BRBS
$336M
| $183K | ﹤0.01% |
43,625
+20,410
| +88% | +$85.4K |
|
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.