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 | |
|---|---|---|---|---|---|---|
4476
CALL
Wabtec
WAB
$50.7B
| $4.5M | ﹤0.01% |
18,000
-5,800
| -24% | -$1.4M |
|
4477
Huntsman Corp
HUN
$1.8B
| $4.5M | ﹤0.01% |
337,881
-301,192
| -47% | -$3.65M |
|
4478
Otter Tail
OTTR
$3.89B
| $4.49M | ﹤0.01% |
51,202
-64,007
| -56% | -$5.54M |
|
4479
Integra LifeSciences
IART
$1.42B
| $4.49M | ﹤0.01% |
476,701
+220,894
| +86% | +$2.43M |
|
4480
Keros Therapeutics
KROS
$202M
| $4.49M | ﹤0.01% |
406,666
-65,854
| -14% | -$1.02M |
|
|
AVL
4481
CALL
Direxion Daily AVGO Bull 2X ETF
AVL
$177M
| $4.49M | ﹤0.01% |
136,500
+84,800
| +164% | +$3.28M |
|
4482
Ryder
R
$10.1B
| $4.49M | ﹤0.01% |
21,917
-8,938
| -29% | -$1.81M |
|
4483
PUT
Vanguard S&P 500 Growth ETF
VOOG
$27.3B
| $4.48M | ﹤0.01% |
66,000
+57,600
| +686% | +$4.16M |
|
4484
PUT
BorgWarner
BWA
$13.9B
| $4.48M | ﹤0.01% |
82,500
-6,400
| -7% | -$337K |
|
|
APC
4485
ARKO Petroleum
APC
$921M
| $4.47M | ﹤0.01% |
+250,000
| New | +$4.63M |
|
4486
Target Hospitality
TH
$1.73B
| $4.47M | ﹤0.01% |
481,725
+115,100
| +31% | +$914K |
|
4487
PUT
SL Green Realty
SLG
$4B
| $4.47M | ﹤0.01% |
121,000
-213,400
| -64% | -$8.89M |
|
4488
PUT
Par Pacific Holdings
PARR
$4.04B
| $4.47M | ﹤0.01% |
71,300
+31,000
| +77% | +$1.39M |
|
4489
Banco Macro
BMA
$4.97B
| $4.47M | ﹤0.01% |
57,710
+29,559
| +105% | +$2.51M |
|
4490
Avantor
AVTR
$9.27B
| $4.46M | ﹤0.01% |
569,511
-674,445
| -54% | -$6.64M |
|
4491
Direxion Daily Gold Miners Index Bull 2X ETF
NUGT
$1.2B
| $4.46M | ﹤0.01% |
+23,712
| New | +$5.51M |
|
4492
PUT
CoStar Group
CSGP
$13.2B
| $4.46M | ﹤0.01% |
110,600
+35,862
| +48% | +$1.87M |
|
4493
LiveRamp
RAMP
$2.3B
| $4.46M | ﹤0.01% |
168,033
+66,486
| +65% | +$1.74M |
|
4494
Aptiv
APTV
$10.3B
| $4.45M | ﹤0.01% |
64,151
-180,521
| -74% | -$13.9M |
|
4495
Dimensional Ultrashort Fixed Income ETF
DUSB
$2.23B
| $4.45M | ﹤0.01% |
87,793
-24,944
| -22% | -$1.27M |
|
4496
State Street SPDR Nuveen ICE Municipal Bond ETF
TFI
$3.17B
| $4.45M | ﹤0.01% |
98,176
+10,751
| +12% | +$493K |
|
4497
Latham Group
SWIM
$866M
| $4.45M | ﹤0.01% |
828,545
-2,634,627
| -76% | -$16.8M |
|
4498
CALL
Compass
COMP
$10.1B
| $4.45M | ﹤0.01% |
608,204
-1,334,796
| -69% | -$14M |
|
|
EXK
4499
PUT
Endeavour Silver
EXK
$3.15B
| $4.44M | ﹤0.01% |
477,300
-108,300
| -18% | -$1.22M |
|
4500
CALL
BlackSky Technology
BKSY
$1.27B
| $4.44M | ﹤0.01% |
176,600
+25,100
| +17% | +$600K |
|
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.