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 | |
|---|---|---|---|---|---|---|
|
FRMI
2201
CALL
Fermi Inc
FRMI
$4.08B
| $21.8M | ﹤0.01% |
3,736,400
+3,503,400
| +1,504% | +$30.7M |
|
2202
Baxter International
BAX
$13.8B
| $21.8M | ﹤0.01% |
1,298,436
+141,970
| +12% | +$2.75M |
|
2203
CALL
MGM Resorts International
MGM
$11.1B
| $21.8M | ﹤0.01% |
589,300
-422,000
| -42% | -$15M |
|
|
GRDN
2204
Guardian Pharmacy Services
GRDN
$2.43B
| $21.8M | ﹤0.01% |
+579,121
| New | +$18.9M |
|
2205
CALL
Emcor
EME
$36.9B
| $21.8M | ﹤0.01% |
29,500
-13,400
| -31% | -$9.75M |
|
2206
Steven Madden
SHOO
$3.45B
| $21.7M | ﹤0.01% |
641,121
+563,673
| +728% | +$21.8M |
|
2207
PUT
Campbell Soup
CPB
$6.91B
| $21.7M | ﹤0.01% |
976,400
+47,600
| +5% | +$1.22M |
|
|
SNCY
2208
DELISTED
Sun Country Airlines
SNCY
| $21.7M | ﹤0.01% |
1,315,780
-1,326,212
| -50% | -$23.7M |
|
2209
Sprott Physical Silver Trust
PSLV
$13.3B
| $21.6M | ﹤0.01% |
+886,665
| New | +$24.2M |
|
2210
Post Holdings
POST
$3.67B
| $21.6M | ﹤0.01% |
218,706
-30,426
| -12% | -$3.1M |
|
2211
CALL
Bank of Montreal
BMO
$130B
| $21.6M | ﹤0.01% |
159,700
-163,400
| -51% | -$22.7M |
|
2212
CALL
Exelon
EXC
$47.2B
| $21.6M | ﹤0.01% |
440,800
+70,100
| +19% | +$3.26M |
|
2213
Ryan Specialty Holdings
RYAN
$10.7B
| $21.6M | ﹤0.01% |
640,339
-775,994
| -55% | -$33.1M |
|
2214
Lantheus
LNTH
$6.59B
| $21.6M | ﹤0.01% |
284,544
-359,652
| -56% | -$25.8M |
|
2215
PUT
Baker Hughes
BKR
$64.3B
| $21.6M | ﹤0.01% |
353,300
-81,100
| -19% | -$4.69M |
|
2216
Manhattan Associates
MANH
$11.5B
| $21.6M | ﹤0.01% |
161,909
+108,636
| +204% | +$16.3M |
|
2217
PUT
Clear Secure
YOU
$4.68B
| $21.6M | ﹤0.01% |
445,200
-40,400
| -8% | -$1.61M |
|
2218
Garrett Motion
GTX
$5.41B
| $21.6M | ﹤0.01% |
1,186,042
+280,261
| +31% | +$5.23M |
|
2219
CALL
Advance Auto Parts
AAP
$3.41B
| $21.5M | ﹤0.01% |
408,500
-21,800
| -5% | -$1.09M |
|
2220
PUT
argenx
ARGX
$53.3B
| $21.5M | ﹤0.01% |
29,500
+2,900
| +11% | +$2.27M |
|
2221
CALL
SiriusXM
SIRI
$9.59B
| $21.5M | ﹤0.01% |
933,100
-903,783
| -49% | -$19.4M |
|
2222
CALL
Yum! Brands
YUM
$40.4B
| $21.5M | ﹤0.01% |
138,400
-57,600
| -29% | -$9.12M |
|
2223
Scotiabank
BNS
$112B
| $21.5M | ﹤0.01% |
310,363
+148,920
| +92% | +$10.9M |
|
2224
CALL
Coeur Mining
CDE
$19.3B
| $21.4M | ﹤0.01% |
1,141,930
+108,690
| +11% | +$2.37M |
|
2225
PUT
Diamondback Energy
FANG
$56.7B
| $21.4M | ﹤0.01% |
108,200
-55,700
| -34% | -$9.47M |
|
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.