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 | |
|---|---|---|---|---|---|---|
11601
CALL
Rezolute
RZLT
$456M
| $156K | ﹤0.01% |
51,100
-76,000
| -60% | -$228K |
|
|
OKUR
11602
OnKure Therapeutics
OKUR
$164M
| $156K | ﹤0.01% |
37,587
-185,538
| -83% | -$573K |
|
|
USAX
11603
Tradr 2X Long USAR Daily ETF
USAX
$10.6M
| $156K | ﹤0.01% |
+11,884
| New | +$314K |
|
|
KLC
11604
PUT
KinderCare Learning Companies
KLC
$548M
| $156K | ﹤0.01% |
70,700
-11,900
| -14% | -$44.8K |
|
11605
Coffee Holding Co
JVA
$20.1M
| $155K | ﹤0.01% |
36,578
+392
| +1% | +$1.39K |
|
11606
Rimini Street
RMNI
$443M
| $155K | ﹤0.01% |
47,272
-167,491
| -78% | -$581K |
|
11607
CALL
Mizuho Financial
MFG
$132B
| $155K | ﹤0.01% |
19,500
+9,400
| +93% | +$79.6K |
|
|
SLSR
11608
CALL
Solaris Resources
SLSR
$1.34B
| $154K | ﹤0.01% |
+18,000
| New | +$166K |
|
|
OSG
11609
PUT
Octave Specialty Group
OSG
$207M
| $154K | ﹤0.01% |
33,200
-53,800
| -62% | -$308K |
|
|
CORD
11610
T-REX 2X Inverse CRWV Daily Target ETF
CORD
$13.6M
| $154K | ﹤0.01% |
+10,174
| New | +$191K |
|
|
ONDU
11611
PUT
Tradr 2X Long ONDS Daily ETF
ONDU
$5.73M
| $153K | ﹤0.01% |
+18,000
| New | +$253K |
|
|
CCRN
11612
CALL
DELISTED
Cross Country Healthcare
CCRN
| $153K | ﹤0.01% |
16,300
-77,100
| -83% | -$690K |
|
|
XXRP
11613
PUT
Teucrium 2x Long Daily XRP ETF
XXRP
$78.2M
| $153K | ﹤0.01% |
3,990
-530
| -12% | -$35.6K |
|
|
CURR
11614
Currenc Group
CURR
$393M
| $153K | ﹤0.01% |
+58,345
| New | +$115K |
|
11615
CALL
Arcturus Therapeutics
ARCT
$223M
| $153K | ﹤0.01% |
19,800
-100,900
| -84% | -$736K |
|
|
PEW
11616
PUT
GrabAGun Digital Holdings
PEW
$77.6M
| $152K | ﹤0.01% |
50,600
-1,900
| -4% | -$5.75K |
|
|
BTGO
11617
PUT
BitGo Holdings
BTGO
$566M
| $152K | ﹤0.01% |
+18,500
| New | +$202K |
|
11618
PUT
Nu Skin
NUS
$242M
| $152K | ﹤0.01% |
20,900
+2,400
| +13% | +$21.7K |
|
11619
CALL
Stem
STEM
$51.5M
| $152K | ﹤0.01% |
17,200
-14,770
| -46% | -$198K |
|
11620
CALL
Evolent Health
EVH
$494M
| $152K | ﹤0.01% |
66,600
+26,300
| +65% | +$83.4K |
|
11621
PUT
GoodRx Holdings
GDRX
$1.24B
| $152K | ﹤0.01% |
77,400
-120,300
| -61% | -$282K |
|
|
SKYA
11622
CALL
SkyAI Inc
SKYA
$48.6M
| $152K | ﹤0.01% |
+90,200
| New | +$173K |
|
|
API
11623
CALL
Agora
API
$385M
| $152K | ﹤0.01% |
42,800
+29,100
| +212% | +$123K |
|
|
RPC
11624
CALL
Ridgepost Capital
RPC
$972M
| $151K | ﹤0.01% |
+20,800
| New | +$189K |
|
|
TETH
11625
21Shares Ethereum ETF
TETH
$13.1M
| $151K | ﹤0.01% |
14,421
-1,674
| -10% | -$20K |
|
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.