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 | |
|---|---|---|---|---|---|---|
4051
Kilroy Realty
KRC
$4.19B
| $5.83M | ﹤0.01% |
206,775
+136,414
| +194% | +$4.48M |
|
4052
CALL
Cinemark Holdings
CNK
$4.35B
| $5.83M | ﹤0.01% |
204,400
-471,500
| -70% | -$12.1M |
|
4053
CALL
Texas Roadhouse
TXRH
$13.4B
| $5.83M | ﹤0.01% |
35,300
+14,800
| +72% | +$2.66M |
|
4054
CALL
Innodata
INOD
$2.1B
| $5.83M | ﹤0.01% |
150,900
-194,100
| -56% | -$9.68M |
|
|
PURR
4055
Hyperliquid Strategies Inc
PURR
$1.43B
| $5.82M | ﹤0.01% |
1,144,398
+905,013
| +378% | +$4.09M |
|
4056
Liberty Global Class C
LBTYK
$3.44B
| $5.82M | ﹤0.01% |
496,353
+218,449
| +79% | +$2.5M |
|
|
INN
4057
Summit Hotel Properties
INN
$642M
| $5.81M | ﹤0.01% |
1,313,711
+1,179,674
| +880% | +$5.29M |
|
4058
BHP
BHP
$224B
| $5.8M | ﹤0.01% |
79,730
-1,200,893
| -94% | -$84.9M |
|
|
VPLS
4059
Vanguard Core Plus Bond ETF
VPLS
$1.76B
| $5.8M | ﹤0.01% |
+74,735
| New | +$5.85M |
|
4060
CALL
State Street SPDR S&P Insurance ETF
KIE
$702M
| $5.8M | ﹤0.01% |
+105,400
| New | +$6.06M |
|
|
COLO
4061
CALL
Global X MSCI Colombia ETF
COLO
$216M
| $5.79M | ﹤0.01% |
+146,400
| New | +$5.79M |
|
4062
CALL
Vanguard S&P 500 Value ETF
VOOV
$6.77B
| $5.79M | ﹤0.01% |
28,400
+19,400
| +216% | +$4.06M |
|
4063
J&J Snack Foods
JJSF
$1.63B
| $5.79M | ﹤0.01% |
73,010
-31,501
| -30% | -$2.73M |
|
4064
Ero Copper
ERO
$3.64B
| $5.79M | ﹤0.01% |
216,952
+89,644
| +70% | +$2.7M |
|
4065
CALL
Edwards Lifesciences
EW
$52.3B
| $5.78M | ﹤0.01% |
72,200
-126,000
| -64% | -$10.4M |
|
4066
PUT
American Electric Power
AEP
$68.9B
| $5.78M | ﹤0.01% |
44,100
-218,400
| -83% | -$27.3M |
|
4067
PUT
Hallador Energy
HNRG
$763M
| $5.78M | ﹤0.01% |
354,900
+263,900
| +290% | +$4.92M |
|
4068
CALL
Zebra Technologies
ZBRA
$17.6B
| $5.77M | ﹤0.01% |
27,600
+3,000
| +12% | +$705K |
|
|
DCH
4069
Dauch Corp
DCH
$1.62B
| $5.77M | ﹤0.01% |
972,300
+774,664
| +392% | +$5.39M |
|
4070
PUT
Viper Energy
VNOM
$15.5B
| $5.76M | ﹤0.01% |
122,592
+37,356
| +44% | +$1.6M |
|
4071
PUT
Lightpath Technologies
LPTH
$929M
| $5.76M | ﹤0.01% |
574,300
+381,900
| +198% | +$4.38M |
|
4072
iShares Micro-Cap ETF
IWC
$1.53B
| $5.76M | ﹤0.01% |
+36,069
| New | +$5.98M |
|
4073
CALL
American Superconductor
AMSC
$1.56B
| $5.75M | ﹤0.01% |
170,000
-150,600
| -47% | -$4.75M |
|
4074
Kontoor Brands
KTB
$4.47B
| $5.75M | ﹤0.01% |
81,833
-10,745
| -12% | -$704K |
|
4075
Burford Capital
BUR
$938M
| $5.75M | ﹤0.01% |
1,271,336
+355,171
| +39% | +$3.11M |
|
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.