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 | |
|---|---|---|---|---|---|---|
|
SPTU
3351
State Street SPDR Portfolio Ultra Short T-Bill ETF
SPTU
$13.8M
| $9.1M | ﹤0.01% |
362,776
-15,339
| -4% | -$384K |
|
3352
CALL
Global E Online
GLBE
$7.12B
| $9.09M | ﹤0.01% |
294,800
-373,000
| -56% | -$13.1M |
|
3353
United Parks & Resorts
PRKS
$2.04B
| $9.09M | ﹤0.01% |
278,294
+271,386
| +3,929% | +$9.5M |
|
3354
CALL
Unifirst Corp
UNF
$5.19B
| $9.08M | ﹤0.01% |
36,100
+34,900
| +2,908% | +$8.05M |
|
3355
PUT
Invesco S&P 500 Momentum ETF
SPMO
$22.5B
| $9.08M | ﹤0.01% |
81,000
+48,400
| +148% | +$5.72M |
|
3356
CALL
Quantum Computing Inc
QUBT
$2.04B
| $9.07M | ﹤0.01% |
1,324,100
-327,000
| -20% | -$2.99M |
|
3357
Vita Coco
COCO
$3.77B
| $9.05M | ﹤0.01% |
188,936
+29,413
| +18% | +$1.61M |
|
3358
Vanguard Communication Services ETF
VOX
$5.9B
| $9.04M | ﹤0.01% |
+50,286
| New | +$9.56M |
|
3359
CALL
Albertsons Companies
ACI
$6.03B
| $9.03M | ﹤0.01% |
530,000
+66,800
| +14% | +$1.16M |
|
3360
SunCoke Energy
SXC
$794M
| $9.02M | ﹤0.01% |
1,385,148
+836,249
| +152% | +$5.92M |
|
|
TE
3361
T1 Energy
TE
$1.51B
| $8.99M | ﹤0.01% |
2,048,183
-4,757,694
| -70% | -$34.9M |
|
3362
First Trust Nasdaq Semiconductor ETF
FTXL
$1.38B
| $8.99M | ﹤0.01% |
60,960
+27,875
| +84% | +$4.21M |
|
3363
CALL
Hubbell
HUBB
$27B
| $8.98M | ﹤0.01% |
18,300
-4,600
| -20% | -$2.26M |
|
3364
CALL
SL Green Realty
SLG
$3.97B
| $8.98M | ﹤0.01% |
243,100
-102,700
| -30% | -$4.28M |
|
3365
PUT
Medpace
MEDP
$16.1B
| $8.98M | ﹤0.01% |
18,700
+3,900
| +26% | +$2M |
|
|
FRMI
3366
PUT
Fermi Inc
FRMI
$4.08B
| $8.96M | ﹤0.01% |
1,535,000
+1,257,900
| +454% | +$11M |
|
|
FIGR
3367
PUT
Figure Technology Solutions
FIGR
$7.03B
| $8.96M | ﹤0.01% |
264,000
+126,200
| +92% | +$5.44M |
|
3368
ICICI Bank
IBN
$107B
| $8.96M | ﹤0.01% |
345,866
-2,574,239
| -88% | -$75.5M |
|
3369
Liberty Broadband Class C
LBRDK
$5.21B
| $8.95M | ﹤0.01% |
177,987
-252,412
| -59% | -$12.7M |
|
3370
PUT
Cognizant
CTSH
$26.5B
| $8.94M | ﹤0.01% |
145,800
-154,500
| -51% | -$11.1M |
|
|
ETHB
3371
iShares Staked Ethereum Trust ETF
ETHB
$523M
| $8.94M | ﹤0.01% |
+331,520
| New | +$9.11M |
|
3372
PUT
Molson Coors Class B
TAP
$7.97B
| $8.93M | ﹤0.01% |
207,500
+34,200
| +20% | +$1.62M |
|
3373
iShares MSCI Agriculture Producers ETF
VEGI
$147M
| $8.93M | ﹤0.01% |
+197,499
| New | +$8.67M |
|
3374
CALL
Amcor
AMCR
$21.3B
| $8.92M | ﹤0.01% |
224,500
+162,940
| +265% | +$7.21M |
|
3375
CALL
XP
XP
$8.17B
| $8.92M | ﹤0.01% |
468,400
+298,800
| +176% | +$5.77M |
|
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.