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 | |
|---|---|---|---|---|---|---|
6251
Principal Exchange-Traded Funds Principal US Mega-Cap ETF
USMC
$3.67B
| $1.8M | ﹤0.01% |
28,054
+6,854
| +32% | +$458K |
|
6252
Concrete Pumping Holdings
BBCP
$470M
| $1.8M | ﹤0.01% |
252,532
+161,016
| +176% | +$1.07M |
|
6253
Federated Hermes
FHI
$4.7B
| $1.8M | ﹤0.01% |
+31,782
| New | +$1.74M |
|
6254
PUT
Coursera
COUR
$1.5B
| $1.8M | ﹤0.01% |
309,600
+17,800
| +6% | +$111K |
|
|
MITT
6255
TPG Mortgage Investment Trust
MITT
$214M
| $1.8M | ﹤0.01% |
246,482
+233,565
| +1,808% | +$1.93M |
|
6256
CALL
Pool Corp
POOL
$7.32B
| $1.8M | ﹤0.01% |
8,900
+5,200
| +141% | +$1.23M |
|
6257
T. Rowe Price Floating Rate ETF
TFLR
$686M
| $1.8M | ﹤0.01% |
35,753
-2,998
| -8% | -$153K |
|
6258
Teucrium Sugar Fund
CANE
$53.9M
| $1.8M | ﹤0.01% |
172,413
+154,913
| +885% | +$1.49M |
|
6259
Peoples Bancorp
PEBO
$1.47B
| $1.8M | ﹤0.01% |
54,736
-21,294
| -28% | -$686K |
|
6260
CALL
Anterix
ATEX
$1.81B
| $1.8M | ﹤0.01% |
+47,100
| New | +$1.49M |
|
6261
Gogo Inc
GOGO
$392M
| $1.8M | ﹤0.01% |
447,375
+363,716
| +435% | +$1.66M |
|
6262
CALL
Spectrum Brands
SPB
$2.02B
| $1.8M | ﹤0.01% |
24,400
+11,600
| +91% | +$826K |
|
6263
CALL
Churchill Downs
CHDN
$6.18B
| $1.8M | ﹤0.01% |
20,000
+2,200
| +12% | +$209K |
|
6264
PUT
Unum
UNM
$14.2B
| $1.8M | ﹤0.01% |
24,600
+6,800
| +38% | +$508K |
|
|
XXI
6265
CALL
Twenty One Capital Inc
XXI
$1.56B
| $1.8M | ﹤0.01% |
280,500
+20,700
| +8% | +$152K |
|
6266
PUT
Bank OZK
OZK
$5.66B
| $1.79M | ﹤0.01% |
39,100
-67,900
| -63% | -$3.2M |
|
|
SMBS
6267
Schwab Mortgage-Backed Securities ETF
SMBS
$6.47B
| $1.79M | ﹤0.01% |
70,217
+11,062
| +19% | +$285K |
|
6268
CALL
H&R Block
HRB
$5.92B
| $1.79M | ﹤0.01% |
56,500
-13,300
| -19% | -$464K |
|
6269
T. Rowe Price Ultra Short-Term Bond ETF
TBUX
$1.31B
| $1.79M | ﹤0.01% |
+36,045
| New | +$1.8M |
|
6270
PUT
Clover Health Investments
CLOV
$2.33B
| $1.79M | ﹤0.01% |
1,017,800
-295,200
| -22% | -$640K |
|
|
DX
6271
PUT
Dynex Capital
DX
$3.21B
| $1.79M | ﹤0.01% |
140,300
+77,000
| +122% | +$1.06M |
|
6272
CALL
Direxion Daily MSCI Emerging Markets Bear 3X ETF
EDZ
$19.6M
| $1.79M | ﹤0.01% |
60,470
+50,590
| +512% | +$1.43M |
|
6273
GraniteShares Gold Shares
BAR
$1.47B
| $1.79M | ﹤0.01% |
+38,779
| New | +$1.86M |
|
6274
VanEck Biotech ETF
BBH
$428M
| $1.79M | ﹤0.01% |
+9,514
| New | +$1.83M |
|
6275
PUT
Supernus Pharmaceuticals
SUPN
$2.73B
| $1.79M | ﹤0.01% |
34,600
+8,700
| +34% | +$443K |
|
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.