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 | |
|---|---|---|---|---|---|---|
5101
CALL
Invesco DB US Dollar Index Bearish Fund
UDN
$109M
| $3.19M | ﹤0.01% |
177,400
-32,800
| -16% | -$599K |
|
5102
CALL
Photronics
PLAB
$1.97B
| $3.19M | ﹤0.01% |
79,000
+27,300
| +53% | +$987K |
|
5103
LendingTree
TREE
$444M
| $3.19M | ﹤0.01% |
74,409
+28,701
| +63% | +$1.37M |
|
5104
CALL
Intellia Therapeutics
NTLA
$1.66B
| $3.19M | ﹤0.01% |
248,800
-184,300
| -43% | -$2.35M |
|
5105
PUT
GXO Logistics
GXO
$5.52B
| $3.19M | ﹤0.01% |
61,500
+5,800
| +10% | +$332K |
|
5106
CALL
Mid-America Apartment Communities
MAA
$15.4B
| $3.19M | ﹤0.01% |
26,100
-14,900
| -36% | -$1.97M |
|
5107
PUT
BioMarin Pharmaceuticals
BMRN
$13.6B
| $3.19M | ﹤0.01% |
56,400
-46,100
| -45% | -$2.69M |
|
5108
PUT
Organon & Co
OGN
$3.59B
| $3.18M | ﹤0.01% |
531,000
+124,100
| +30% | +$934K |
|
5109
CALL
Otis Worldwide
OTIS
$28.2B
| $3.18M | ﹤0.01% |
41,200
+23,900
| +138% | +$2.09M |
|
|
GRAL
5110
PUT
GRAIL Inc
GRAL
$3.08B
| $3.17M | ﹤0.01% |
61,400
-13,392
| -18% | -$1.04M |
|
|
VNET
5111
CALL
VNET Group
VNET
$2.11B
| $3.17M | ﹤0.01% |
378,200
+227,000
| +150% | +$2.41M |
|
|
SUNS
5112
CALL
Sunrise Realty Trust
SUNS
$102M
| $3.17M | ﹤0.01% |
413,700
+5,500
| +1% | +$50K |
|
5113
CALL
United Natural Foods
UNFI
$2.9B
| $3.17M | ﹤0.01% |
70,400
-82,300
| -54% | -$3.15M |
|
5114
PUT
Texas Roadhouse
TXRH
$14.1B
| $3.17M | ﹤0.01% |
19,200
-46,200
| -71% | -$8.29M |
|
5115
Live Oak Bancshares
LOB
$1.98B
| $3.17M | ﹤0.01% |
95,860
-114,324
| -54% | -$4.21M |
|
5116
CALL
Acuity Brands
AYI
$10.8B
| $3.17M | ﹤0.01% |
11,300
+7,100
| +169% | +$2.16M |
|
5117
PUT
Aptiv
APTV
$10.1B
| $3.17M | ﹤0.01% |
45,600
-117,400
| -72% | -$9.05M |
|
|
PPLI
5118
PUT
People Inc
PPLI
$3.02B
| $3.17M | ﹤0.01% |
79,100
+68,700
| +661% | +$2.6M |
|
5119
Gilat Satellite Networks
GILT
$895M
| $3.17M | ﹤0.01% |
+210,790
| New | +$3.51M |
|
5120
Davis Select Financial ETF
DFNL
$495M
| $3.17M | ﹤0.01% |
70,604
+53,783
| +320% | +$2.54M |
|
5121
US Treasury 5 Year Note ETF
UFIV
$30.8M
| $3.17M | ﹤0.01% |
64,842
+27,825
| +75% | +$1.37M |
|
|
VBIL
5122
Vanguard 0-3 Month Treasury Bill ETF
VBIL
$10.1B
| $3.16M | ﹤0.01% |
+41,829
| New | +$3.16M |
|
5123
Carter Bankshares
CARE
$749M
| $3.16M | ﹤0.01% |
135,665
+92,325
| +213% | +$1.93M |
|
5124
PUT
ProShares UltraShort Yen
YCS
$30M
| $3.16M | ﹤0.01% |
59,700
+49,500
| +485% | +$2.55M |
|
5125
PUT
ProShares Bitcoin Strategy ETF
BITO
$1.43B
| $3.16M | ﹤0.01% |
339,400
-393,600
| -54% | -$4.16M |
|
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.