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 | |
|---|---|---|---|---|---|---|
1201
PUT
American International
AIG
$39.8B
| $58.7M | 0.01% |
780,200
-330,400
| -30% | -$25.3M |
|
1202
Baker Hughes
BKR
$63B
| $58.7M | 0.01% |
961,629
+310,893
| +48% | +$18M |
|
1203
PUT
TJX Companies
TJX
$170B
| $58.7M | 0.01% |
367,500
-319,200
| -46% | -$49.7M |
|
1204
PUT
Energy Fuels
UUUU
$3.64B
| $58.5M | 0.01% |
3,206,500
-44,000
| -1% | -$912K |
|
|
MRP
1205
Millrose Properties Inc
MRP
$5.02B
| $58.5M | 0.01% |
2,087,575
-1,665,334
| -44% | -$50.2M |
|
1206
Weyerhaeuser
WY
$17.9B
| $58.4M | 0.01% |
2,390,909
+1,884,649
| +372% | +$47.4M |
|
|
P
1207
Everpure Inc
P
$39B
| $58.3M | 0.01% |
988,197
+559,230
| +130% | +$37.9M |
|
1208
Amplify Junior Silver Miners ETF
SILJ
$3.89B
| $58.3M | 0.01% |
+1,963,023
| New | +$65.1M |
|
1209
CALL
AngloGold Ashanti
AU
$48.1B
| $58.3M | 0.01% |
599,000
+374,500
| +167% | +$38.4M |
|
1210
JFrog
FROG
$11.5B
| $58.3M | 0.01% |
1,241,502
+1,107,561
| +827% | +$54.4M |
|
1211
Old Dominion Freight Line
ODFL
$44.7B
| $58.2M | 0.01% |
298,080
+16,010
| +6% | +$2.99M |
|
1212
OR Royalties Inc
OR
$6.15B
| $58.2M | 0.01% |
1,531,491
+114,677
| +8% | +$4.71M |
|
1213
Pinterest
PINS
$13.2B
| $58.2M | 0.01% |
3,174,700
+2,930,016
| +1,197% | +$61.1M |
|
1214
CALL
Teva Pharmaceuticals
TEVA
$42.6B
| $58.2M | 0.01% |
1,932,400
+178,500
| +10% | +$5.74M |
|
1215
CALL
Fidelity Wise Origin Bitcoin Fund
FBTC
$11.8B
| $58.2M | 0.01% |
985,500
+88,500
| +10% | +$5.89M |
|
|
SOLS
1216
Solstice Advanced Materials
SOLS
$9.94B
| $58.1M | 0.01% |
762,907
+75,915
| +11% | +$5.2M |
|
1217
PUT
AeroVironment
AVAV
$9.59B
| $58.1M | 0.01% |
317,400
+63,700
| +25% | +$16.8M |
|
1218
SAP
SAP
$242B
| $58.1M | 0.01% |
339,207
+219,777
| +184% | +$45.4M |
|
1219
Twist Bioscience
TWST
$7.86B
| $58M | 0.01% |
1,220,400
+1,188,351
| +3,708% | +$53.3M |
|
1220
AST SpaceMobile
ASTS
$21.4B
| $58M | 0.01% |
699,724
-313,956
| -31% | -$29.6M |
|
1221
Allstate
ALL
$65.9B
| $58M | 0.01% |
279,522
+212,234
| +315% | +$43.5M |
|
1222
CALL
Plains GP Holdings
PAGP
$5.04B
| $57.9M | 0.01% |
2,385,600
+921,200
| +63% | +$20.1M |
|
1223
CALL
Vale
VALE
$58.7B
| $57.8M | 0.01% |
3,632,300
-203,100
| -5% | -$3.17M |
|
1224
RenaissanceRe
RNR
$13.3B
| $57.8M | 0.01% |
194,310
-81,826
| -30% | -$23.7M |
|
1225
PUT
iShares US Aerospace & Defense ETF
ITA
$14.9B
| $57.7M | 0.01% |
263,700
+232,500
| +745% | +$54.4M |
|
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.