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 | |
|---|---|---|---|---|---|---|
6976
PUT
DXC Technology
DXC
$1.73B
| $1.32M | ﹤0.01% |
105,400
-45,900
| -30% | -$616K |
|
6977
iQIYI
IQ
$1.3B
| $1.32M | ﹤0.01% |
981,117
+631,347
| +181% | +$1.09M |
|
6978
CALL
ProShares Short VIX Short-Term Futures ETF
SVXY
$231M
| $1.32M | ﹤0.01% |
28,900
+900
| +3% | +$46.6K |
|
6979
RadNet
RDNT
$6.01B
| $1.32M | ﹤0.01% |
+23,679
| New | +$1.62M |
|
6980
Patria Investments
PAX
$1.81B
| $1.32M | ﹤0.01% |
+104,968
| New | +$1.48M |
|
|
GOOD
6981
Gladstone Commercial Corp
GOOD
$619M
| $1.32M | ﹤0.01% |
115,709
-49,665
| -30% | -$583K |
|
|
MESO
6982
Mesoblast
MESO
$2.19B
| $1.32M | ﹤0.01% |
85,959
-45,429
| -35% | -$756K |
|
6983
Trustmark
TRMK
$2.78B
| $1.32M | ﹤0.01% |
31,369
-19,554
| -38% | -$825K |
|
6984
First Trust Innovation Leaders ETF
ILDR
$317M
| $1.32M | ﹤0.01% |
44,388
-465,603
| -91% | -$14.8M |
|
6985
CALL
iShares US Oil Equipment & Services ETF
IEZ
$387M
| $1.32M | ﹤0.01% |
45,600
+33,900
| +290% | +$902K |
|
6986
JPMorgan US Value Factor ETF
JVAL
$863M
| $1.32M | ﹤0.01% |
+27,006
| New | +$1.36M |
|
6987
CALL
Invesco PHLX Semiconductor ETF
SOXQ
$2.85B
| $1.32M | ﹤0.01% |
22,100
+8,800
| +66% | +$546K |
|
6988
Allient
ALNT
$1.94B
| $1.32M | ﹤0.01% |
+22,324
| New | +$1.41M |
|
6989
CALL
One Stop Systems
OSS
$317M
| $1.32M | ﹤0.01% |
174,200
+2,300
| +1% | +$21.4K |
|
6990
Invesco KBW Property & Casualty Insurance ETF
KBWP
$269M
| $1.32M | ﹤0.01% |
11,082
-3,053
| -22% | -$375K |
|
6991
CALL
Hilton Grand Vacations
HGV
$3.34B
| $1.32M | ﹤0.01% |
33,700
+21,400
| +174% | +$959K |
|
6992
Ligand Pharmaceuticals
LGND
$5.76B
| $1.32M | ﹤0.01% |
6,596
+4,530
| +219% | +$896K |
|
|
DPRO
6993
PUT
Draganfly
DPRO
$163M
| $1.32M | ﹤0.01% |
268,100
-7,900
| -3% | -$58.5K |
|
6994
CALL
Kulicke & Soffa
KLIC
$4.76B
| $1.31M | ﹤0.01% |
20,000
-8,600
| -30% | -$546K |
|
6995
Dimensional US Large Cap Vector ETF
DFVX
$542M
| $1.31M | ﹤0.01% |
17,680
-20,649
| -54% | -$1.58M |
|
6996
AB Corporate Bond ETF
EYEG
$27.6M
| $1.31M | ﹤0.01% |
37,168
-171
| -0.5% | -$6.1K |
|
|
DMC
6997
Del Monte Corp
DMC
$1.45B
| $1.31M | ﹤0.01% |
32,607
-35,153
| -52% | -$1.4M |
|
6998
PUT
Philips
PHG
$26.4B
| $1.31M | ﹤0.01% |
49,678
-20,328
| -29% | -$575K |
|
|
UCTT
6999
PUT
Ultra Clean Holdings
UCTT
$3.9B
| $1.31M | ﹤0.01% |
21,100
-13,700
| -39% | -$702K |
|
7000
CALL
Global X NASDAQ-100 Covered Call ETF
QYLD
$8.27B
| $1.31M | ﹤0.01% |
76,500
-98,000
| -56% | -$1.72M |
|
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.