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 | |
|---|---|---|---|---|---|---|
5601
MINISO
MNSO
$3.53B
| $2.48M | ﹤0.01% |
153,087
+55,971
| +58% | +$1.03M |
|
5602
Sundial Growers
SNDL
$313M
| $2.48M | ﹤0.01% |
1,878,112
-278,524
| -13% | -$426K |
|
5603
Franklin US Treasury Bond ETF
FLGV
$1.04B
| $2.48M | ﹤0.01% |
121,312
+85,336
| +237% | +$1.75M |
|
|
BTC
5604
Grayscale Bitcoin Mini Trust ETF
BTC
$3.36B
| $2.48M | ﹤0.01% |
82,612
-40,658
| -33% | -$1.37M |
|
5605
CALL
Valmont Industries
VMI
$9.46B
| $2.48M | ﹤0.01% |
6,200
-1,800
| -23% | -$786K |
|
5606
StoneCo
STNE
$2.5B
| $2.48M | ﹤0.01% |
175,293
+144,610
| +471% | +$2.22M |
|
5607
PUT
Ichor Holdings
ICHR
$2.67B
| $2.47M | ﹤0.01% |
53,100
+10,100
| +23% | +$393K |
|
5608
PUT
Omeros
OMER
$1.28B
| $2.47M | ﹤0.01% |
234,300
-174,100
| -43% | -$2.05M |
|
5609
CALL
Cirrus Logic
CRUS
$6.12B
| $2.47M | ﹤0.01% |
17,100
-5,300
| -24% | -$713K |
|
5610
First Trust Energy AlphaDEX Fund
FXN
$387M
| $2.47M | ﹤0.01% |
110,027
+56,547
| +106% | +$1.1M |
|
|
EXK
5611
CALL
Endeavour Silver
EXK
$3.06B
| $2.47M | ﹤0.01% |
265,200
-107,400
| -29% | -$1.21M |
|
|
CVSA
5612
CALL
Covista Inc
CVSA
$4.53B
| $2.47M | ﹤0.01% |
21,400
-10,500
| -33% | -$1.12M |
|
5613
Design Therapeutics
DSGN
$908M
| $2.46M | ﹤0.01% |
231,513
-228,361
| -50% | -$2.31M |
|
|
RKLX
5614
PUT
Defiance Daily Target 2X Long RKLB ETF
RKLX
$257M
| $2.46M | ﹤0.01% |
96,300
+71,600
| +290% | +$3.02M |
|
5615
PUT
VanEck High Yield Muni ETF
HYD
$4.41B
| $2.46M | ﹤0.01% |
49,100
+33,700
| +219% | +$1.72M |
|
5616
Janus Henderson Small/Mid Cap Growth Alpha ETF
JSMD
$1.1B
| $2.46M | ﹤0.01% |
30,997
+24,916
| +410% | +$2.09M |
|
5617
4D Molecular Therapeutics
FDMT
$607M
| $2.46M | ﹤0.01% |
264,096
+244,207
| +1,228% | +$2.13M |
|
5618
SITE Centers
SITC
$157M
| $2.46M | ﹤0.01% |
454,826
-154,718
| -25% | -$949K |
|
|
JBTM
5619
PUT
JBT Marel
JBTM
$6.08B
| $2.46M | ﹤0.01% |
19,200
+14,900
| +347% | +$2.25M |
|
5620
PUT
Recursion Pharmaceuticals
RXRX
$1.78B
| $2.45M | ﹤0.01% |
798,900
-1,166,700
| -59% | -$4.51M |
|
5621
PUT
Penske Automotive Group
PAG
$14.3B
| $2.45M | ﹤0.01% |
16,400
+12,000
| +273% | +$1.9M |
|
5622
NB Bancorp
NBBK
$997M
| $2.45M | ﹤0.01% |
116,371
+9,914
| +9% | +$208K |
|
5623
ProShares UltraShort Bitcoin ETF
SBIT
$174M
| $2.45M | ﹤0.01% |
43,034
-6,822
| -14% | -$357K |
|
5624
CALL
Principal Financial Group
PFG
$24.6B
| $2.45M | ﹤0.01% |
27,200
+9,500
| +54% | +$868K |
|
5625
Under Armour Class C
UA
$2.25B
| $2.45M | ﹤0.01% |
422,909
+162,895
| +63% | +$1.03M |
|
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.