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 | |
|---|---|---|---|---|---|---|
3476
Eastern Bankshares
EBC
$5.4B
| $8.33M | ﹤0.01% |
425,795
-1,982,417
| -82% | -$39.6M |
|
3477
Academy Sports + Outdoors
ASO
$2.98B
| $8.33M | ﹤0.01% |
147,534
-27,733
| -16% | -$1.58M |
|
3478
CALL
WisdomTree
WT
$3.46B
| $8.33M | ﹤0.01% |
571,900
+361,800
| +172% | +$5.59M |
|
3479
PUT
Vicor
VICR
$10.8B
| $8.32M | ﹤0.01% |
51,700
-3,200
| -6% | -$529K |
|
3480
Sturm, Ruger & Co
RGR
$602M
| $8.32M | ﹤0.01% |
207,529
+69,333
| +50% | +$2.63M |
|
3481
PUT
ProShares Ultra S&P500
SSO
$8.56B
| $8.32M | ﹤0.01% |
160,300
-275,700
| -63% | -$15.8M |
|
3482
PUT
Insmed
INSM
$27B
| $8.31M | ﹤0.01% |
50,800
-168,000
| -77% | -$25.8M |
|
3483
Vanguard FTSE Pacific ETF
VPL
$8.64B
| $8.3M | ﹤0.01% |
84,906
+82,082
| +2,907% | +$8.19M |
|
3484
Insteel Industries
IIIN
$631M
| $8.29M | ﹤0.01% |
246,767
+8,247
| +3% | +$283K |
|
3485
La-Z-Boy
LZB
$1.67B
| $8.29M | ﹤0.01% |
258,015
-126,083
| -33% | -$4.55M |
|
3486
CALL
GXO Logistics
GXO
$5.59B
| $8.29M | ﹤0.01% |
159,800
-212,100
| -57% | -$12.2M |
|
|
LAC
3487
CALL
Lithium Americas
LAC
$1.23B
| $8.29M | ﹤0.01% |
2,097,600
+397,500
| +23% | +$1.95M |
|
|
VOYG
3488
Voyager Technologies
VOYG
$2.6B
| $8.28M | ﹤0.01% |
354,174
-218,231
| -38% | -$6.26M |
|
|
SFBS
3489
ServisFirst Bancshares
SFBS
$4.99B
| $8.28M | ﹤0.01% |
113,656
-69,921
| -38% | -$5.54M |
|
3490
Papa John's
PZZA
$799M
| $8.26M | ﹤0.01% |
254,973
+163,614
| +179% | +$5.68M |
|
3491
CALL
ProShares UltraShort Bloomberg Crude Oil
SCO
$701M
| $8.26M | ﹤0.01% |
248,200
+231,825
| +1,416% | +$13M |
|
3492
CALL
Packaging Corp of America
PKG
$22.8B
| $8.26M | ﹤0.01% |
38,900
+13,100
| +51% | +$2.92M |
|
3493
PUT
Direxion Daily S&P 500 Bear 3x ETF
SPXS
$325M
| $8.25M | ﹤0.01% |
203,700
-209,910
| -51% | -$7.58M |
|
3494
BlackBerry
BB
$5.22B
| $8.24M | ﹤0.01% |
2,542,881
-773,342
| -23% | -$2.73M |
|
3495
PUT
Ameriprise Financial
AMP
$50.3B
| $8.22M | ﹤0.01% |
18,500
+7,400
| +67% | +$3.57M |
|
3496
CALL
Delek US
DK
$4.01B
| $8.22M | ﹤0.01% |
182,400
+37,300
| +26% | +$1.33M |
|
3497
Sprott Uranium Miners ETF
URNM
$2.02B
| $8.22M | ﹤0.01% |
+130,111
| New | +$8.89M |
|
3498
Vanguard Intermediate-Term Bond ETF
BIV
$28.8B
| $8.21M | ﹤0.01% |
+106,326
| New | +$8.28M |
|
3499
AngloGold Ashanti
AU
$48.7B
| $8.2M | ﹤0.01% |
84,273
-104,494
| -55% | -$10.7M |
|
3500
PUT
AerCap
AER
$24B
| $8.2M | ﹤0.01% |
59,800
-32,100
| -35% | -$4.59M |
|
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.