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 | |
|---|---|---|---|---|---|---|
1476
Workday
WDAY
$51B
| $43.8M | 0.01% |
337,039
+279,043
| +481% | +$44.3M |
|
1477
PUT
Ares Management
ARES
$32.1B
| $43.8M | 0.01% |
401,200
+287,400
| +253% | +$38.1M |
|
1478
PUT
Global X Copper Miners ETF NEW
COPX
$7.97B
| $43.7M | 0.01% |
572,500
+401,800
| +235% | +$33.3M |
|
1479
Vale
VALE
$61.4B
| $43.7M | 0.01% |
2,747,104
-3,174,708
| -54% | -$49.6M |
|
1480
Arm
ARM
$298B
| $43.7M | 0.01% |
288,820
-217,895
| -43% | -$26.4M |
|
1481
CALL
Veeva Systems
VEEV
$41B
| $43.6M | 0.01% |
248,400
+39,200
| +19% | +$7.7M |
|
1482
CALL
Bunge Global
BG
$21.5B
| $43.6M | 0.01% |
342,500
+166,000
| +94% | +$19.3M |
|
1483
Urban Edge Properties
UE
$2.75B
| $43.5M | 0.01% |
2,177,738
-253,686
| -10% | -$5.1M |
|
1484
PUT
General Dynamics
GD
$107B
| $43.5M | 0.01% |
126,700
-61,400
| -33% | -$21.8M |
|
1485
CALL
Eversource Energy
ES
$27.2B
| $43.4M | 0.01% |
627,100
+539,800
| +618% | +$38.1M |
|
1486
East-West Bancorp
EWBC
$18.5B
| $43.4M | 0.01% |
406,556
+290,155
| +249% | +$32.7M |
|
1487
Seagate
STX
$209B
| $43.4M | 0.01% |
110,745
-80,417
| -42% | -$30.7M |
|
1488
PUT
On Holding
ONON
$10.6B
| $43.3M | 0.01% |
1,273,200
-1,001,300
| -44% | -$43.7M |
|
1489
CALL
HP
HPQ
$28.6B
| $43.3M | 0.01% |
2,254,500
+1,066,000
| +90% | +$20.7M |
|
1490
CALL
Direxion Daily Junior Gold Miners Index Bull 2X ETF
JNUG
$516M
| $43.3M | 0.01% |
217,300
-51,100
| -19% | -$13.2M |
|
1491
PUT
Equinix
EQIX
$105B
| $43.2M | 0.01% |
44,100
+13,000
| +42% | +$11.6M |
|
1492
CALL
UBS Group
UBS
$176B
| $43.2M | 0.01% |
1,104,800
+1,700
| +0.2% | +$72.8K |
|
1493
PUT
Devon Energy
DVN
$48.8B
| $43.2M | 0.01% |
857,600
-901,200
| -51% | -$38.6M |
|
1494
Chemed
CHE
$7.02B
| $43.1M | 0.01% |
114,119
+95,661
| +518% | +$41M |
|
1495
CALL
State Street Materials Select Sector SPDR ETF
XLB
$8.57B
| $43.1M | 0.01% |
862,200
-1,483,500
| -63% | -$74.4M |
|
1496
Varonis Systems
VRNS
$4.82B
| $43.1M | 0.01% |
2,006,461
+1,761,672
| +720% | +$47.8M |
|
1497
ICU Medical
ICUI
$4.58B
| $43.1M | 0.01% |
333,336
+122,437
| +58% | +$17.6M |
|
1498
PUT
ON Semiconductor
ON
$31.8B
| $43M | 0.01% |
693,900
-487,600
| -41% | -$30.6M |
|
1499
PUT
Burlington
BURL
$22.3B
| $42.9M | 0.01% |
131,900
+14,200
| +12% | +$4.35M |
|
1500
CALL
Hilton Worldwide
HLT
$72.6B
| $42.9M | 0.01% |
141,100
+34,900
| +33% | +$10.6M |
|
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.