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 | |
|---|---|---|---|---|---|---|
7701
PUT
Better Home & Finance Holding
BETR
$292M
| $958K | ﹤0.01% |
26,900
-19,900
| -43% | -$638K |
|
7702
PUT
Beyond Meat
BYND
$216M
| $958K | ﹤0.01% |
1,365,000
-897,800
| -40% | -$718K |
|
7703
WisdomTree US LargeCap Fund
EPS
$1.65B
| $958K | ﹤0.01% |
14,060
+8,096
| +136% | +$573K |
|
7704
PUT
Hamilton Insurance Group
HG
$2.35B
| $958K | ﹤0.01% |
+32,100
| New | +$924K |
|
|
EUAD
7705
CALL
Select STOXX Europe Aerospace & Defense ETF
EUAD
$1.26B
| $957K | ﹤0.01% |
23,500
-3,900
| -14% | -$176K |
|
7706
iShares Morningstar US Equity ETF
ILCB
$1.31B
| $957K | ﹤0.01% |
+10,647
| New | +$1M |
|
7707
CALL
Ferrovial N.V. Ordinary Shares
FER
$48B
| $956K | ﹤0.01% |
+14,842
| New | +$999K |
|
7708
Foghorn Therapeutics
FHTX
$390M
| $956K | ﹤0.01% |
200,013
+17,737
| +10% | +$97.4K |
|
|
OEFA
7709
ALPS O'Shares International Developed Quality Dividend ETF
OEFA
$37.8M
| $955K | ﹤0.01% |
30,364
-90,888
| -75% | -$3.07M |
|
7710
Oil-Dri
ODC
$1.27B
| $955K | ﹤0.01% |
14,666
-6,087
| -29% | -$371K |
|
7711
Kearny Financial
KRNY
$595M
| $955K | ﹤0.01% |
126,436
+18,353
| +17% | +$141K |
|
7712
Gaotu Techedu
GOTU
$432M
| $954K | ﹤0.01% |
486,926
-381,169
| -44% | -$834K |
|
7713
MediWound
MDWD
$180M
| $954K | ﹤0.01% |
59,240
-30,398
| -34% | -$529K |
|
7714
PUT
iShares Core S&P Total US Stock Market ETF
ITOT
$97.9B
| $954K | ﹤0.01% |
6,700
+3,300
| +97% | +$491K |
|
|
RWT
7715
Redwood Trust
RWT
$595M
| $954K | ﹤0.01% |
170,076
-193,985
| -53% | -$1.12M |
|
7716
Fidelity Crypto Industry and Digital Payments ETF
FDIG
$254M
| $954K | ﹤0.01% |
29,106
-11,320
| -28% | -$430K |
|
7717
PUT
Green Brick Partners
GRBK
$3.06B
| $954K | ﹤0.01% |
14,800
-26,800
| -64% | -$1.89M |
|
7718
PUT
Old Republic International
ORI
$10.3B
| $954K | ﹤0.01% |
23,900
-23,300
| -49% | -$958K |
|
7719
PUT
Global E Online
GLBE
$7.12B
| $953K | ﹤0.01% |
30,900
-11,200
| -27% | -$394K |
|
7720
CALL
GraniteShares HIPS US High Income ETF
HIPS
$119M
| $953K | ﹤0.01% |
+82,500
| New | +$981K |
|
7721
PUT
HighPeak Energy
HPK
$988M
| $953K | ﹤0.01% |
+138,100
| New | +$725K |
|
7722
RBB Bancorp
RBB
$457M
| $953K | ﹤0.01% |
44,585
+22,836
| +105% | +$489K |
|
7723
Shattuck Labs
STTK
$725M
| $952K | ﹤0.01% |
148,021
+79,175
| +115% | +$376K |
|
|
STKL
7724
DELISTED
SunOpta
STKL
| $951K | ﹤0.01% |
146,824
+2,469
| +2% | +$14K |
|
7725
CALL
Global Net Lease
GNL
$1.9B
| $951K | ﹤0.01% |
101,600
+45,500
| +81% | +$428K |
|
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.