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 | |
|---|---|---|---|---|---|---|
4651
Lindsay Corp
LNN
$1.17B
| $4.04M | ﹤0.01% |
33,962
+4,078
| +14% | +$517K |
|
|
CNH
4652
CALL
CNH Industrial
CNH
$16.8B
| $4.04M | ﹤0.01% |
367,400
+283,400
| +337% | +$3.19M |
|
4653
PUT
BellRing Brands
BRBR
$1.29B
| $4.04M | ﹤0.01% |
251,100
+114,100
| +83% | +$2.31M |
|
4654
CALL
Ferguson
FERG
$47.7B
| $4.04M | ﹤0.01% |
17,300
-5,200
| -23% | -$1.27M |
|
4655
PUT
Ametek
AME
$58.7B
| $4.03M | ﹤0.01% |
18,800
-1,100
| -6% | -$244K |
|
4656
CALL
Hyatt Hotels
H
$17B
| $4.03M | ﹤0.01% |
28,000
+9,400
| +51% | +$1.49M |
|
4657
Caleres
CAL
$443M
| $4.03M | ﹤0.01% |
+381,933
| New | +$4.55M |
|
4658
ePlus
PLUS
$2.32B
| $4.02M | ﹤0.01% |
53,480
-33,588
| -39% | -$2.75M |
|
4659
PUT
Antero Midstream
AM
$10.6B
| $4.02M | ﹤0.01% |
176,400
+78,300
| +80% | +$1.62M |
|
4660
CALL
AES
AES
$10.5B
| $4.02M | ﹤0.01% |
285,300
+113,200
| +66% | +$1.69M |
|
4661
FlexShares Ultra-Short Income Fund
RAVI
$1.5B
| $4.02M | ﹤0.01% |
+53,300
| New | +$4.02M |
|
4662
PUT
Idacorp
IDA
$8.24B
| $4.02M | ﹤0.01% |
28,100
+1,300
| +5% | +$178K |
|
4663
CALL
Banco Macro
BMA
$4.99B
| $4.02M | ﹤0.01% |
51,900
-39,800
| -43% | -$3.38M |
|
|
ALLW
4664
State Street Bridgewater All Weather ETF
ALLW
$1.66B
| $4.02M | ﹤0.01% |
139,173
+121,817
| +702% | +$3.53M |
|
4665
Collegium Pharmaceutical
COLL
$908M
| $4.01M | ﹤0.01% |
121,366
-9,760
| -7% | -$413K |
|
4666
Grupo Cibest SA
CIB
$22.8B
| $4.01M | ﹤0.01% |
55,054
-80,402
| -59% | -$5.91M |
|
4667
Stoke Therapeutics
STOK
$1.99B
| $4.01M | ﹤0.01% |
123,022
+107,171
| +676% | +$3.51M |
|
4668
VanEck High Yield Muni ETF
HYD
$4.41B
| $4M | ﹤0.01% |
+79,803
| New | +$4.07M |
|
4669
Atomera
ATOM
$220M
| $4M | ﹤0.01% |
1,049,979
+970,686
| +1,224% | +$3.66M |
|
4670
Morningstar
MORN
$7.74B
| $4M | ﹤0.01% |
+23,650
| New | +$4.39M |
|
4671
iShares US Consumer Discretionary ETF
IYC
$1.22B
| $4M | ﹤0.01% |
41,243
+2,692
| +7% | +$275K |
|
4672
Ouster
OUST
$3.53B
| $3.99M | ﹤0.01% |
217,473
-99,685
| -31% | -$2.17M |
|
4673
ALPS O'Shares Global Internet Giants ETF
OGIG
$114M
| $3.99M | ﹤0.01% |
97,896
+68,041
| +228% | +$3.1M |
|
4674
ProFrac Holding
ACDC
$993M
| $3.99M | ﹤0.01% |
644,159
+290,111
| +82% | +$1.55M |
|
4675
PUT
iShares Russell 1000 ETF
IWB
$50.4B
| $3.99M | ﹤0.01% |
11,200
-800
| -7% | -$298K |
|
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.