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 | |
|---|---|---|---|---|---|---|
5651
CALL
iShares TIPS Bond ETF
TIP
$14.7B
| $2.42M | ﹤0.01% |
21,900
+7,200
| +49% | +$797K |
|
5652
Interparfums
IPAR
$3.74B
| $2.41M | ﹤0.01% |
26,584
-51,077
| -66% | -$4.84M |
|
5653
CALL
Mohawk Industries
MHK
$9.46B
| $2.41M | ﹤0.01% |
24,500
+12,400
| +102% | +$1.44M |
|
5654
iShares US Industrials ETF
IYJ
$1.96B
| $2.41M | ﹤0.01% |
+16,337
| New | +$2.53M |
|
|
HNGE
5655
CALL
Hinge Health
HNGE
$7.05B
| $2.41M | ﹤0.01% |
62,500
-16,000
| -20% | -$665K |
|
5656
CALL
KE Holdings
BEKE
$18.6B
| $2.41M | ﹤0.01% |
160,700
-323,300
| -67% | -$5.55M |
|
5657
PUT
Iridium Communications
IRDM
$5.28B
| $2.41M | ﹤0.01% |
86,700
-126,200
| -59% | -$2.84M |
|
5658
CALL
Freedom Holding
FRHC
$9.42B
| $2.41M | ﹤0.01% |
16,600
+12,500
| +305% | +$1.6M |
|
5659
CALL
Ameresco
AMRC
$1.48B
| $2.4M | ﹤0.01% |
94,300
+19,400
| +26% | +$581K |
|
5660
Exponent
EXPO
$3.24B
| $2.4M | ﹤0.01% |
36,817
-200,303
| -84% | -$14.2M |
|
5661
CALL
Terex
TEX
$7.59B
| $2.4M | ﹤0.01% |
40,648
+22,948
| +130% | +$1.42M |
|
5662
PUT
ProShares Ultra Semiconductors
USD
$3.03B
| $2.4M | ﹤0.01% |
50,100
-37,600
| -43% | -$2.05M |
|
5663
CALL
Exelixis
EXEL
$12.6B
| $2.4M | ﹤0.01% |
56,000
-12,200
| -18% | -$525K |
|
5664
CALL
Medpace
MEDP
$16.4B
| $2.4M | ﹤0.01% |
5,000
-700
| -12% | -$358K |
|
5665
CALL
Organon & Co
OGN
$3.6B
| $2.4M | ﹤0.01% |
400,700
+85,000
| +27% | +$640K |
|
5666
CALL
iShares 0-3 Month Treasury Bond ETF
SGOV
$101B
| $2.4M | ﹤0.01% |
23,800
+16,700
| +235% | +$1.68M |
|
5667
PUT
CenterPoint Energy
CNP
$26.7B
| $2.4M | ﹤0.01% |
55,500
-31,100
| -36% | -$1.28M |
|
5668
PUT
Alerian MLP ETF
AMLP
$13.1B
| $2.4M | ﹤0.01% |
45,500
+5,500
| +14% | +$280K |
|
5669
EPR Properties
EPR
$4.75B
| $2.39M | ﹤0.01% |
47,936
-797,793
| -94% | -$43.9M |
|
|
PSIX
5670
PUT
Power Solutions International
PSIX
$950M
| $2.39M | ﹤0.01% |
39,300
-16,700
| -30% | -$1.19M |
|
5671
CALL
Novavax
NVAX
$1.35B
| $2.39M | ﹤0.01% |
293,900
-182,700
| -38% | -$1.66M |
|
5672
Dimensional International Small Cap Value ETF
DISV
$5.16B
| $2.39M | ﹤0.01% |
+60,630
| New | +$2.45M |
|
5673
CALL
Vanguard FTSE Europe ETF
VGK
$31.1B
| $2.39M | ﹤0.01% |
29,000
+15,800
| +120% | +$1.36M |
|
5674
CALL
Ryman Hospitality Properties
RHP
$7.9B
| $2.39M | ﹤0.01% |
25,900
-700
| -3% | -$67.1K |
|
5675
PUT
iShares Russell 2000 Value ETF
IWN
$14.7B
| $2.39M | ﹤0.01% |
12,600
+7,200
| +133% | +$1.39M |
|
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.