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 | |
|---|---|---|---|---|---|---|
|
LITS
12401
CALL
Lite Strategy Inc
LITS
$30.5M
| $43.4K | ﹤0.01% |
37,400
-17,500
| -32% | -$21.3K |
|
12402
Wah Fu Education Group
WAFU
$6.31M
| $43.3K | ﹤0.01% |
27,082
+4,674
| +21% | +$7.83K |
|
12403
CALL
Stereotaxis
STXS
$137M
| $43.2K | ﹤0.01% |
+23,500
| New | +$51.5K |
|
12404
CALL
Milestone Pharmaceuticals
MIST
$133M
| $43.2K | ﹤0.01% |
36,300
-9,900
| -21% | -$17.3K |
|
|
ETS
12405
Elite Express Holding Inc
ETS
$52.1M
| $43.2K | ﹤0.01% |
+62,459
| New | +$32.7K |
|
12406
Marygold Companies
MGLD
$46.1M
| $43.1K | ﹤0.01% |
37,795
+6,198
| +20% | +$6.63K |
|
|
DEFT
12407
PUT
Defi Technologies
DEFT
$187M
| $43K | ﹤0.01% |
77,900
-27,900
| -26% | -$21.3K |
|
|
SMCL
12408
CALL
GraniteShares 2x Long SMCI Daily ETF
SMCL
$63.2M
| $43K | ﹤0.01% |
+3,750
| New | +$109K |
|
12409
Arbe Robotics
ARBE
$94.2M
| $42.9K | ﹤0.01% |
+70,356
| New | +$73.1K |
|
12410
CALL
Sportsman's Warehouse
SPWH
$46.8M
| $42.9K | ﹤0.01% |
30,400
-13,100
| -30% | -$17.7K |
|
12411
Purple Innovation
PRPL
$28.7M
| $42.9K | ﹤0.01% |
2,593
-2,721
| -51% | -$47.6K |
|
12412
CALL
CS Disco
LAW
$297M
| $42.8K | ﹤0.01% |
+11,200
| New | +$55.4K |
|
|
IH
12413
iHuman
IH
$67.5M
| $42.7K | ﹤0.01% |
25,028
+4,314
| +21% | +$8K |
|
12414
PUT
Companhia Siderúrgica Nacional
SID
$1.19B
| $42.7K | ﹤0.01% |
+34,400
| New | +$56.2K |
|
12415
PUT
Clarivate
CLVT
$1.25B
| $42.5K | ﹤0.01% |
+16,800
| New | +$43K |
|
12416
PUT
Telos
TLS
$344M
| $42.3K | ﹤0.01% |
+10,100
| New | +$47.7K |
|
12417
PUT
Key Tronic
KTCC
$42.8M
| $42.3K | ﹤0.01% |
15,500
-100,100
| -87% | -$285K |
|
|
12418
PUT
Arbe Robotics
ARBE
$94.2M
| $42.2K | ﹤0.01% |
69,200
-97,100
| -58% | -$101K |
|
12419
PUT
Blue Ridge Bankshares
BRBS
$336M
| $42K | ﹤0.01% |
+10,000
| New | +$41.8K |
|
12420
PUT
China Automotive Systems
CAAS
$142M
| $42K | ﹤0.01% |
+10,000
| New | +$44.1K |
|
|
ACH
12421
PUT
Accendra Health
ACH
$84.6M
| $42K | ﹤0.01% |
18,400
-18,200
| -50% | -$41.9K |
|
12422
CALL
OPAL Fuels
OPAL
$67.7M
| $41.8K | ﹤0.01% |
+16,600
| New | +$38.1K |
|
|
LCDL
12423
DELISTED
GraniteShares 2x Long LCID Daily ETF
LCDL
| $41.8K | ﹤0.01% |
+18,674
| New | +$54.2K |
|
12424
Sphere 3D
ANY
$18M
| $41.8K | ﹤0.01% |
28,835
-34,093
| -54% | -$69.4K |
|
12425
Invesco Senior Income Trust
VVR
$459M
| $41.7K | ﹤0.01% |
12,960
-18,982
| -59% | -$60.9K |
|
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.