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 | |
|---|---|---|---|---|---|---|
3201
Expeditors International
EXPD
$24.2B
| $10.1M | ﹤0.01% |
70,509
-49,328
| -41% | -$7.5M |
|
3202
PUT
Western Midstream Partners
WES
$20.2B
| $10.1M | ﹤0.01% |
245,300
-64,792
| -21% | -$2.68M |
|
3203
First Trust Smith Unconstrained Bond ETF
UCON
$3.28B
| $10.1M | ﹤0.01% |
+407,614
| New | +$10.2M |
|
3204
Privia Health
PRVA
$2.81B
| $10.1M | ﹤0.01% |
490,413
-251,769
| -34% | -$5.67M |
|
3205
FNB Corp
FNB
$6.93B
| $10.1M | ﹤0.01% |
603,014
-565,536
| -48% | -$9.77M |
|
|
GTY
3206
Getty Realty Corp
GTY
$2.05B
| $10.1M | ﹤0.01% |
316,591
+162,830
| +106% | +$5.09M |
|
3207
PUT
Synchrony
SYF
$26.4B
| $10.1M | ﹤0.01% |
147,900
-275,300
| -65% | -$20M |
|
3208
Sigma Lithium
SGML
$1.34B
| $10.1M | ﹤0.01% |
815,244
-1,329,039
| -62% | -$17M |
|
3209
CALL
Comstock Resources
CRK
$4.13B
| $10.1M | ﹤0.01% |
477,200
+64,200
| +16% | +$1.37M |
|
3210
CALL
CDW
CDW
$17.4B
| $10.1M | ﹤0.01% |
83,100
+36,700
| +79% | +$4.64M |
|
3211
PUT
Iron Mountain
IRM
$38.5B
| $10.1M | ﹤0.01% |
98,400
+7,900
| +9% | +$786K |
|
3212
Teledyne Technologies
TDY
$31.5B
| $10M | ﹤0.01% |
16,605
-1,274
| -7% | -$795K |
|
3213
CALL
Uranium Energy
UEC
$5.55B
| $10M | ﹤0.01% |
744,000
-1,823,800
| -71% | -$28.1M |
|
3214
PUT
Frontline
FRO
$9.17B
| $10M | ﹤0.01% |
288,100
+149,900
| +108% | +$4.58M |
|
3215
HCI Group
HCI
$2.29B
| $10M | ﹤0.01% |
64,929
+58,588
| +924% | +$9.59M |
|
3216
Haleon
HLN
$42.7B
| $10M | ﹤0.01% |
1,001,865
-6,481,248
| -87% | -$67.4M |
|
3217
PUT
Southern Company
SO
$107B
| $10M | ﹤0.01% |
103,900
-287,800
| -73% | -$26.6M |
|
3218
CALL
Olin
OLN
$2.18B
| $10M | ﹤0.01% |
337,000
+143,200
| +74% | +$3.5M |
|
3219
CALL
PACCAR
PCAR
$68.8B
| $10M | ﹤0.01% |
86,700
-68,900
| -44% | -$8.33M |
|
3220
G-III Apparel Group
GIII
$1.43B
| $10M | ﹤0.01% |
361,146
+75,081
| +26% | +$2.2M |
|
3221
CALL
Ecopetrol
EC
$35.3B
| $9.99M | ﹤0.01% |
666,700
+390,700
| +142% | +$4.95M |
|
3222
PUT
KE Holdings
BEKE
$18.8B
| $9.99M | ﹤0.01% |
667,200
+549,200
| +465% | +$9.43M |
|
3223
PUT
Onto Innovation
ONTO
$20.3B
| $9.99M | ﹤0.01% |
48,700
+23,000
| +89% | +$4.71M |
|
3224
Clean Harbors
CLH
$17B
| $9.98M | ﹤0.01% |
+34,822
| New | +$9.5M |
|
3225
Helix Energy Solutions
HLX
$1.54B
| $9.97M | ﹤0.01% |
1,007,876
+335,642
| +50% | +$2.86M |
|
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.