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 | |
|---|---|---|---|---|---|---|
4601
Genpact
G
$5.71B
| $4.18M | ﹤0.01% |
112,199
-2,087,445
| -95% | -$86M |
|
4602
Coastal Financial
CCB
$785M
| $4.18M | ﹤0.01% |
54,884
+51,964
| +1,780% | +$4.7M |
|
4603
PUT
nVent Electric
NVT
$27.9B
| $4.18M | ﹤0.01% |
35,300
-102,600
| -74% | -$11.6M |
|
|
BRIE
4604
MFS Blended Research International Equity ETF
BRIE
$426M
| $4.17M | ﹤0.01% |
+154,392
| New | +$4.31M |
|
4605
Phillips Edison & Co
PECO
$5.21B
| $4.17M | ﹤0.01% |
+111,493
| New | +$4.14M |
|
4606
CALL
ProShares UltraPro Short S&P 500
SPXU
$381M
| $4.17M | ﹤0.01% |
73,525
-14,295
| -16% | -$724K |
|
|
GEMI
4607
CALL
Gemini Space Station
GEMI
$506M
| $4.16M | ﹤0.01% |
942,000
+84,000
| +10% | +$661K |
|
|
TPH
4608
DELISTED
Tri Pointe Homes
TPH
| $4.16M | ﹤0.01% |
89,011
-132,214
| -60% | -$5.38M |
|
4609
FS KKR Capital
FSK
$3.44B
| $4.15M | ﹤0.01% |
407,991
-151,509
| -27% | -$1.9M |
|
4610
CALL
ProShares Ultra Semiconductors
USD
$2.93B
| $4.15M | ﹤0.01% |
86,600
-55,900
| -39% | -$3.05M |
|
4611
CALL
Arbor Realty Trust
ABR
$953M
| $4.15M | ﹤0.01% |
538,500
+71,200
| +15% | +$555K |
|
|
LINE
4612
PUT
Lineage Inc
LINE
$9.58B
| $4.14M | ﹤0.01% |
126,400
+16,700
| +15% | +$619K |
|
4613
PUT
Hercules Capital
HTGC
$3.13B
| $4.14M | ﹤0.01% |
280,300
+242,300
| +638% | +$3.96M |
|
4614
iShares Asia 50 ETF
AIA
$5.06B
| $4.14M | ﹤0.01% |
+38,981
| New | +$4.25M |
|
4615
Simplify MBS ETF
MTBA
$1.5B
| $4.13M | ﹤0.01% |
83,593
+39,933
| +91% | +$2.01M |
|
4616
Universal Technical Institute
UTI
$1.38B
| $4.13M | ﹤0.01% |
114,391
+2,984
| +3% | +$94.2K |
|
4617
TFI International
TFII
$12.1B
| $4.13M | ﹤0.01% |
38,005
-85,208
| -69% | -$9.53M |
|
4618
DigitalBridge
DBRG
$2.95B
| $4.12M | ﹤0.01% |
267,206
-977,330
| -79% | -$15M |
|
4619
TFS Financial
TFSL
$4.97B
| $4.12M | ﹤0.01% |
293,167
-220,071
| -43% | -$3.11M |
|
4620
CALL
Magna International
MGA
$18.6B
| $4.12M | ﹤0.01% |
73,800
-54,600
| -43% | -$3.12M |
|
4621
Knife River
KNF
$3.79B
| $4.11M | ﹤0.01% |
50,381
-291,143
| -85% | -$23.5M |
|
4622
DoubleLine Shiller CAPE US Equities ETF
CAPE
$246M
| $4.11M | ﹤0.01% |
133,323
+105,426
| +378% | +$3.41M |
|
|
TTAN
4623
PUT
ServiceTitan Inc
TTAN
$8.66B
| $4.11M | ﹤0.01% |
64,800
-4,300
| -6% | -$332K |
|
4624
CALL
Alliance Resource Partners
ARLP
$3.25B
| $4.11M | ﹤0.01% |
148,700
+67,700
| +84% | +$1.75M |
|
4625
Nice
NICE
$6B
| $4.11M | ﹤0.01% |
37,279
-275,780
| -88% | -$31.5M |
|
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.