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 | |
|---|---|---|---|---|---|---|
5076
PUT
Scholastic
SCHL
$784M
| $3.22M | ﹤0.01% |
82,500
+15,900
| +24% | +$549K |
|
5077
Payoneer
PAYO
$2.41B
| $3.22M | ﹤0.01% |
666,693
-429,275
| -39% | -$2.26M |
|
5078
CALL
Alignment Healthcare
ALHC
$2.8B
| $3.22M | ﹤0.01% |
182,700
-280,000
| -61% | -$5.62M |
|
5079
Village Farms International
VFF
$307M
| $3.22M | ﹤0.01% |
1,133,439
+601,998
| +113% | +$1.95M |
|
5080
CALL
MarketAxess Holdings
MKTX
$5.72B
| $3.22M | ﹤0.01% |
19,500
-13,700
| -41% | -$2.4M |
|
5081
CALL
Ichor Holdings
ICHR
$2.59B
| $3.22M | ﹤0.01% |
69,000
-51,300
| -43% | -$1.99M |
|
5082
Element Solutions
ESI
$9.37B
| $3.21M | ﹤0.01% |
94,166
+84,292
| +854% | +$2.64M |
|
5083
CALL
iShares S&P 500 Growth ETF
IVW
$77.9B
| $3.21M | ﹤0.01% |
28,400
-9,400
| -25% | -$1.13M |
|
|
OPRA
5084
Opera Ltd
OPRA
$1.78B
| $3.21M | ﹤0.01% |
225,192
-19,115
| -8% | -$264K |
|
5085
First Trust Exchange-Traded Fund II First Trust S-Network Future Vehicles & Technology ETF
CARZ
$48.8M
| $3.21M | ﹤0.01% |
39,711
+5,477
| +16% | +$461K |
|
5086
Bloomin' Brands
BLMN
$975M
| $3.21M | ﹤0.01% |
593,876
+525,395
| +767% | +$3.36M |
|
5087
American States Water
AWR
$3.49B
| $3.21M | ﹤0.01% |
42,400
-32,035
| -43% | -$2.36M |
|
5088
PUT
Weatherford International
WFRD
$6.65B
| $3.21M | ﹤0.01% |
33,900
+14,200
| +72% | +$1.34M |
|
5089
PUT
New Oriental
EDU
$8.49B
| $3.21M | ﹤0.01% |
56,600
-23,300
| -29% | -$1.33M |
|
5090
PUT
-1x Short VIX Futures ETF
SVIX
$171M
| $3.2M | ﹤0.01% |
204,000
+50,100
| +33% | +$1.04M |
|
5091
PUT
ING
ING
$102B
| $3.2M | ﹤0.01% |
123,000
+87,500
| +246% | +$2.46M |
|
5092
Teladoc Health
TDOC
$1.26B
| $3.2M | ﹤0.01% |
587,683
-526,849
| -47% | -$2.96M |
|
5093
Monopar Therapeutics
MNPR
$771M
| $3.2M | ﹤0.01% |
58,436
+53,363
| +1,052% | +$3.22M |
|
5094
CALL
iShares US Industrials ETF
IYJ
$1.96B
| $3.2M | ﹤0.01% |
+21,700
| New | +$3.36M |
|
5095
CALL
Kosmos Energy
KOS
$1.51B
| $3.2M | ﹤0.01% |
1,151,500
+859,100
| +294% | +$1.61M |
|
5096
JPMorgan International Bond Opportunities ETF
JPIB
$2.14B
| $3.2M | ﹤0.01% |
66,942
-5,319
| -7% | -$259K |
|
5097
Healthpeak Properties
DOC
$14.2B
| $3.2M | ﹤0.01% |
194,742
-4,510,650
| -96% | -$77.3M |
|
5098
CALL
Stellantis
STLA
$20.2B
| $3.2M | ﹤0.01% |
451,000
-560,900
| -55% | -$4.7M |
|
5099
PUT
Infosys
INFY
$50.3B
| $3.2M | ﹤0.01% |
236,500
-205,900
| -47% | -$3.23M |
|
5100
CALL
Banco Santander
SAN
$211B
| $3.19M | ﹤0.01% |
283,200
+121,800
| +75% | +$1.45M |
|
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.