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 | |
|---|---|---|---|---|---|---|
2176
PUT
BHP
BHP
$220B
| $22.4M | ﹤0.01% |
308,300
-270,700
| -47% | -$19.1M |
|
|
CNR
2177
CALL
Core Natural Resources Inc
CNR
$4.76B
| $22.4M | ﹤0.01% |
214,100
+75,300
| +54% | +$7.17M |
|
|
VISN
2178
PUT
Vistance Networks Inc
VISN
$2.66B
| $22.4M | ﹤0.01% |
1,230,300
+697,200
| +131% | +$12.7M |
|
2179
Natera
NTRA
$44.7B
| $22.3M | ﹤0.01% |
111,682
+1,736
| +2% | +$374K |
|
2180
CALL
Lattice Semiconductor
LSCC
$18.5B
| $22.3M | ﹤0.01% |
239,900
+121,000
| +102% | +$10.8M |
|
2181
CALL
Agilent Technologies
A
$41.9B
| $22.2M | ﹤0.01% |
194,800
+107,300
| +123% | +$13.6M |
|
2182
Banc of California
BANC
$3.13B
| $22.2M | ﹤0.01% |
1,262,225
-3,779,190
| -75% | -$72.1M |
|
2183
Sunstone Hotel Investors
SHO
$2.03B
| $22.2M | ﹤0.01% |
2,462,547
-548,145
| -18% | -$5.03M |
|
2184
CALL
Quest Diagnostics
DGX
$25.9B
| $22.1M | ﹤0.01% |
113,000
+65,700
| +139% | +$12.8M |
|
2185
PUT
2x Bitcoin ETF
BITX
$849M
| $22.1M | ﹤0.01% |
1,499,000
+329,900
| +28% | +$6.73M |
|
|
HUT
2186
Hut 8
HUT
$10.5B
| $22.1M | ﹤0.01% |
470,406
-191,918
| -29% | -$10.4M |
|
2187
CALL
ImmunityBio
IBRX
$8.02B
| $22.1M | ﹤0.01% |
2,876,200
+2,535,200
| +743% | +$17.4M |
|
2188
Trimble
TRMB
$13.4B
| $22.1M | ﹤0.01% |
338,112
+71,401
| +27% | +$4.96M |
|
2189
PUT
JPMorgan Nasdaq Equity Premium Income ETF
JEPQ
$42B
| $22M | ﹤0.01% |
396,700
+270,200
| +214% | +$15.6M |
|
2190
Kimberly-Clark
KMB
$36.7B
| $22M | ﹤0.01% |
228,270
-2,418,659
| -91% | -$248M |
|
2191
Lexeo Therapeutics
LXEO
$397M
| $22M | ﹤0.01% |
3,834,999
+60,682
| +2% | +$430K |
|
2192
Perrigo
PRGO
$1.81B
| $22M | ﹤0.01% |
2,047,945
+690,061
| +51% | +$8.94M |
|
2193
CALL
Braze
BRZE
$3.26B
| $22M | ﹤0.01% |
930,200
+786,000
| +545% | +$17M |
|
2194
CALL
Annaly Capital Management
NLY
$17.6B
| $22M | ﹤0.01% |
1,038,000
+593,200
| +133% | +$13.5M |
|
|
SPYM
2195
CALL
State Street SPDR Portfolio S&P 500 ETF
SPYM
$169B
| $21.9M | ﹤0.01% |
286,700
+85,100
| +42% | +$6.81M |
|
2196
Texas Roadhouse
TXRH
$13.6B
| $21.9M | ﹤0.01% |
132,637
+102,496
| +340% | +$18.4M |
|
2197
GoDaddy
GDDY
$12B
| $21.9M | ﹤0.01% |
264,703
+213,898
| +421% | +$20.3M |
|
2198
CALL
Baker Hughes
BKR
$64.3B
| $21.9M | ﹤0.01% |
358,300
+190,100
| +113% | +$11M |
|
|
MDA
2199
MDA Space Ltd
MDA
$5.71B
| $21.9M | ﹤0.01% |
+863,824
| New | +$25.4M |
|
2200
CALL
XPO
XPO
$24.7B
| $21.8M | ﹤0.01% |
112,300
-102,300
| -48% | -$18.3M |
|
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.