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 | |
|---|---|---|---|---|---|---|
3676
CALL
2x Long VIX Futures ETF
UVIX
$210M
| $7.39M | ﹤0.01% |
42,671
+7,167
| +20% | +$964K |
|
3677
PUT
International Seaways
INSW
$4.88B
| $7.39M | ﹤0.01% |
+101,400
| New | +$6.49M |
|
3678
CALL
Teledyne Technologies
TDY
$31.6B
| $7.38M | ﹤0.01% |
12,200
+7,800
| +177% | +$4.87M |
|
|
VSNT
3679
CALL
Versant Media Group
VSNT
$5.42B
| $7.38M | ﹤0.01% |
+199,288
| New | +$6.72M |
|
3680
CALL
Direxion Daily MSCI Emerging Markets Bull 3X ETF
EDC
$175M
| $7.37M | ﹤0.01% |
131,600
+102,700
| +355% | +$6.77M |
|
3681
PUT
Ovintiv
OVV
$17.5B
| $7.36M | ﹤0.01% |
124,000
-83,100
| -40% | -$4.01M |
|
3682
Acushnet Holdings
GOLF
$5.26B
| $7.35M | ﹤0.01% |
78,675
-69,851
| -47% | -$6.64M |
|
3683
PUT
Waters Corp
WAT
$40.2B
| $7.34M | ﹤0.01% |
24,661
+2,461
| +11% | +$842K |
|
3684
PUT
Booz Allen Hamilton
BAH
$9.25B
| $7.34M | ﹤0.01% |
94,100
-84,800
| -47% | -$7.15M |
|
3685
Weis Markets
WMK
$1.76B
| $7.34M | ﹤0.01% |
+107,282
| New | +$7.34M |
|
3686
American Superconductor
AMSC
$1.55B
| $7.34M | ﹤0.01% |
216,713
-121,000
| -36% | -$3.82M |
|
|
TBN
3687
Tamboran Resources
TBN
$1.3B
| $7.33M | ﹤0.01% |
146,712
-328,883
| -69% | -$9.9M |
|
3688
Regions Financial
RF
$27.2B
| $7.32M | ﹤0.01% |
280,157
+28,435
| +11% | +$794K |
|
|
SKYT
3689
CALL
DELISTED
SkyWater Technology
SKYT
| $7.31M | ﹤0.01% |
266,800
-423,100
| -61% | -$12.4M |
|
3690
CALL
Eagle Materials
EXP
$6.31B
| $7.31M | ﹤0.01% |
38,600
+18,600
| +93% | +$3.96M |
|
|
UNIT
3691
CALL
Uniti Group
UNIT
$2.44B
| $7.31M | ﹤0.01% |
779,120
-85,040
| -10% | -$667K |
|
|
KEEL
3692
PUT
Keel Infrastructure Corp
KEEL
$2.3B
| $7.31M | ﹤0.01% |
3,746,900
-709,000
| -16% | -$1.67M |
|
3693
CALL
Boyd Gaming
BYD
$6.06B
| $7.31M | ﹤0.01% |
88,900
-29,800
| -25% | -$2.5M |
|
3694
CALL
Qiagen
QGEN
$8.87B
| $7.3M | ﹤0.01% |
182,365
+168,165
| +1,184% | +$7.96M |
|
3695
PUT
Westlake Corp
WLK
$10.1B
| $7.3M | ﹤0.01% |
62,500
-42,400
| -40% | -$4.11M |
|
3696
Cemex
CX
$15.9B
| $7.3M | ﹤0.01% |
638,012
-1,398,861
| -69% | -$16.7M |
|
3697
CALL
Establishment Labs
ESTA
$2.28B
| $7.3M | ﹤0.01% |
128,500
-15,700
| -11% | -$1.07M |
|
3698
PUT
Darden Restaurants
DRI
$25.7B
| $7.29M | ﹤0.01% |
37,200
-48,100
| -56% | -$9.89M |
|
3699
PUT
ProShares UltraShort Silver
ZSL
$61.8M
| $7.29M | ﹤0.01% |
323,870
+310,580
| +2,337% | +$7.81M |
|
3700
PUT
Direxion Daily AMZN Bull 2X ETF
AMZU
$281M
| $7.29M | ﹤0.01% |
271,300
+40,400
| +17% | +$1.26M |
|
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.