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 | |
|---|---|---|---|---|---|---|
1001
Cenovus Energy
CVE
$56.4B
| $76.5M | 0.01% |
2,882,409
+2,617,032
| +986% | +$55.8M |
|
1002
Trade Desk
TTD
$6.84B
| $76.5M | 0.01% |
3,369,706
+2,065,297
| +158% | +$59.6M |
|
1003
Seadrill
SDRL
$2.94B
| $76.4M | 0.01% |
1,679,246
+401,954
| +31% | +$16.4M |
|
1004
CALL
Lennar Class A
LEN
$21.1B
| $76.3M | 0.01% |
878,600
+243,100
| +38% | +$26.3M |
|
1005
PUT
The Mosaic Company
MOS
$6.92B
| $76.2M | 0.01% |
2,988,900
+911,500
| +44% | +$25M |
|
1006
Elbit Systems
ESLT
$36.5B
| $76.1M | 0.01% |
89,593
+85,122
| +1,904% | +$65.6M |
|
1007
Robinhood
HOOD
$89.3B
| $75.9M | 0.01% |
1,095,310
+834,060
| +319% | +$73.2M |
|
1008
PUT
McKesson
MCK
$99.9B
| $75.9M | 0.01% |
87,700
-35,300
| -29% | -$31.5M |
|
1009
McDonald's
MCD
$193B
| $75.6M | 0.01% |
243,142
-275,790
| -53% | -$87.9M |
|
1010
PUT
Vanguard Information Technology ETF
VGT
$151B
| $75.5M | 0.01% |
865,600
+381,600
| +79% | +$35.1M |
|
1011
CALL
Constellation Brands
STZ
$23.3B
| $75.5M | 0.01% |
503,200
-426,200
| -46% | -$65.8M |
|
1012
Starbucks
SBUX
$124B
| $75.5M | 0.01% |
842,305
+548,416
| +187% | +$51.9M |
|
1013
ConocoPhillips
COP
$150B
| $75.3M | 0.01% |
570,789
-83,909
| -13% | -$9.29M |
|
1014
CALL
Stryker
SYK
$131B
| $75.3M | 0.01% |
229,100
+56,100
| +32% | +$20.1M |
|
1015
SiriusXM
SIRI
$9.43B
| $75.3M | 0.01% |
3,261,642
+2,471,334
| +313% | +$53.1M |
|
1016
CALL
ProShares UltraPro S&P 500
UPRO
$5.86B
| $75.2M | 0.01% |
775,500
+191,400
| +33% | +$21.6M |
|
1017
United States Oil Fund
USO
$1.77B
| $75.1M | 0.01% |
+590,049
| New | +$52.3M |
|
1018
Travelers Companies
TRV
$77.2B
| $75M | 0.01% |
257,231
-313,362
| -55% | -$91.8M |
|
|
1019
PUT
Constellation Brands
STZ
$23.3B
| $75M | 0.01% |
500,100
-129,000
| -21% | -$19.9M |
|
1020
PUT
Vanguard Morningstar Total Stock Market ETF
VTI
$696B
| $74.9M | 0.01% |
233,600
-61,600
| -21% | -$20.7M |
|
1021
CALL
Progressive
PGR
$121B
| $74.8M | 0.01% |
377,300
-63,200
| -14% | -$13M |
|
1022
American Airlines Group
AAL
$9.97B
| $74.6M | 0.01% |
6,946,843
+4,968,270
| +251% | +$65.8M |
|
1023
ResMed
RMD
$32.9B
| $74.6M | 0.01% |
332,108
+266,608
| +407% | +$66.4M |
|
1024
CALL
Carnival Corporation Ltd
CCL
$38.9B
| $74.4M | 0.01% |
2,874,900
+651,700
| +29% | +$19M |
|
1025
PUT
Rivian
RIVN
$22.9B
| $74.4M | 0.01% |
4,941,800
-3,055,800
| -38% | -$48.8M |
|
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.