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 | |
|---|---|---|---|---|---|---|
4151
Tanger
SKT
$4.41B
| $5.5M | ﹤0.01% |
161,822
+105,538
| +188% | +$3.63M |
|
4152
JetBlue
JBLU
$1.98B
| $5.5M | ﹤0.01% |
1,244,044
+809,545
| +186% | +$4.11M |
|
4153
CALL
ProShares Trust UltraShort Lehman 20+ Year Treasury
TBT
$316M
| $5.5M | ﹤0.01% |
156,400
+58,300
| +59% | +$2M |
|
4154
Revvity
RVTY
$13B
| $5.49M | ﹤0.01% |
62,653
-62,720
| -50% | -$6.21M |
|
4155
PUT
ARK Web x.0 ETF
ARKW
$1.8B
| $5.49M | ﹤0.01% |
45,500
+39,200
| +622% | +$5.2M |
|
4156
CALL
ITT
ITT
$19.7B
| $5.49M | ﹤0.01% |
28,800
-9,500
| -25% | -$1.81M |
|
4157
PUT
Dime Commercial Bancshares
DCOM
$1.81B
| $5.48M | ﹤0.01% |
162,100
+102,300
| +171% | +$3.36M |
|
|
PPLT
4158
abrdn Physical Platinum Shares ETF
PPLT
$2.08B
| $5.47M | ﹤0.01% |
306,890
+212,160
| +224% | +$4.24M |
|
|
JBS
4159
PUT
JBS N.V.
JBS
$44.2B
| $5.47M | ﹤0.01% |
304,400
-239,300
| -44% | -$3.73M |
|
4160
CALL
Kinsale Capital Group
KNSL
$8.36B
| $5.47M | ﹤0.01% |
16,000
-500
| -3% | -$189K |
|
4161
Schneider National
SNDR
$6.38B
| $5.46M | ﹤0.01% |
207,308
+44,717
| +28% | +$1.24M |
|
|
DCH
4162
CALL
Dauch Corp
DCH
$1.62B
| $5.46M | ﹤0.01% |
920,600
+710,400
| +338% | +$4.94M |
|
4163
Inspire Corporate Bond ETF
IBD
$494M
| $5.46M | ﹤0.01% |
228,764
+179,513
| +364% | +$4.33M |
|
4164
CALL
Natural Resource Partners
NRP
$1.38B
| $5.46M | ﹤0.01% |
45,100
+38,900
| +627% | +$4.61M |
|
4165
Hamilton Insurance Group
HG
$2.32B
| $5.46M | ﹤0.01% |
182,909
+149,100
| +441% | +$4.29M |
|
4166
Spyre Therapeutics
SYRE
$9.22B
| $5.45M | ﹤0.01% |
108,135
+44,231
| +69% | +$1.67M |
|
4167
State Street SPDR MSCI EAFE Fossil Fuel Reserves Free ETF
EFAX
$518M
| $5.45M | ﹤0.01% |
109,545
+37,332
| +52% | +$1.94M |
|
|
AXIA
4168
DELISTED
AXIA Energia
AXIA
| $5.45M | ﹤0.01% |
482,974
-380,277
| -44% | -$4.11M |
|
4169
Titan International
TWI
$427M
| $5.45M | ﹤0.01% |
788,191
+720,496
| +1,064% | +$6.48M |
|
4170
Kennametal
KMT
$2.42B
| $5.44M | ﹤0.01% |
150,603
-225,843
| -60% | -$8.23M |
|
4171
Ameresco
AMRC
$1.51B
| $5.44M | ﹤0.01% |
213,336
+172,267
| +419% | +$5.16M |
|
4172
CALL
DTE Energy
DTE
$29.4B
| $5.44M | ﹤0.01% |
37,200
+6,600
| +22% | +$928K |
|
4173
CALL
Jackson Financial
JXN
$9.02B
| $5.43M | ﹤0.01% |
51,400
+19,800
| +63% | +$2.21M |
|
|
OBE
4174
Obsidian Energy
OBE
$772M
| $5.43M | ﹤0.01% |
573,657
+303,479
| +112% | +$2.32M |
|
4175
CALL
Knight Transportation
KNX
$11.8B
| $5.42M | ﹤0.01% |
94,200
-212,500
| -69% | -$12.2M |
|
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.