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 | |
|---|---|---|---|---|---|---|
4801
CALL
California Resources
CRC
$4.76B
| $3.74M | ﹤0.01% |
53,976
+22,947
| +74% | +$1.3M |
|
4802
CALL
Yelp
YELP
$1.33B
| $3.73M | ﹤0.01% |
150,900
+46,000
| +44% | +$1.16M |
|
|
LKFT
4803
Lakefront Biotherapeutics American Depositary Shares
LKFT
$1.81B
| $3.73M | ﹤0.01% |
124,428
+35,032
| +39% | +$1.16M |
|
4804
Manchester United
MANU
$4.02B
| $3.73M | ﹤0.01% |
221,825
-141,087
| -39% | -$2.4M |
|
4805
CALL
Ivanhoe Electric
IE
$1.67B
| $3.73M | ﹤0.01% |
315,300
+120,500
| +62% | +$1.89M |
|
4806
CALL
Global X Defense Tech ETF
SHLD
$7.81B
| $3.73M | ﹤0.01% |
52,600
+30,200
| +135% | +$2.25M |
|
4807
CALL
Globant
GLOB
$1.66B
| $3.73M | ﹤0.01% |
80,800
-1,000
| -1% | -$55.3K |
|
4808
FuelCell Energy
FCEL
$1.71B
| $3.72M | ﹤0.01% |
570,289
+366,325
| +180% | +$2.83M |
|
4809
CALL
ArriVent BioPharma
AVBP
$1.39B
| $3.72M | ﹤0.01% |
+161,300
| New | +$3.64M |
|
4810
CALL
B2Gold
BTG
$6.88B
| $3.72M | ﹤0.01% |
820,300
-368,900
| -31% | -$1.85M |
|
4811
iShares Biotechnology ETF
IBB
$9.65B
| $3.72M | ﹤0.01% |
22,005
-89,989
| -80% | -$15.4M |
|
4812
State Street SPDR Portfolio Long Term Corporate Bond ETF
SPLB
$1.19B
| $3.71M | ﹤0.01% |
167,151
+61,734
| +59% | +$1.4M |
|
4813
CALL
10x Genomics
TXG
$7.34B
| $3.71M | ﹤0.01% |
174,700
+67,600
| +63% | +$1.35M |
|
4814
Ibotta
IBTA
$768M
| $3.71M | ﹤0.01% |
123,751
-24,506
| -17% | -$573K |
|
4815
CALL
Pitney Bowes
PBI
$2.27B
| $3.7M | ﹤0.01% |
335,000
-135,800
| -29% | -$1.42M |
|
4816
Inspire 500 ETF
PTL
$910M
| $3.7M | ﹤0.01% |
14,754
+13,751
| +1,371% | +$3.53M |
|
|
BRCB
4817
Black Rock Coffee Bar Inc
BRCB
$178M
| $3.7M | ﹤0.01% |
+286,076
| New | +$4.64M |
|
4818
PUT
Viasat
VSAT
$11.5B
| $3.7M | ﹤0.01% |
80,700
-65,700
| -45% | -$2.96M |
|
|
NAVN
4819
PUT
Navan Inc
NAVN
$7.39B
| $3.69M | ﹤0.01% |
278,800
+237,300
| +572% | +$2.82M |
|
4820
FirstService
FSV
$6.23B
| $3.69M | ﹤0.01% |
26,567
+14,935
| +128% | +$2.27M |
|
|
DQ
4821
Daqo New Energy
DQ
$1.02B
| $3.69M | ﹤0.01% |
173,506
-441,511
| -72% | -$10.8M |
|
4822
UFP Technologies
UFPT
$2.52B
| $3.69M | ﹤0.01% |
+19,062
| New | +$4.41M |
|
4823
Fidelity Enhanced Large Cap Core ETF
FELC
$8.42B
| $3.69M | ﹤0.01% |
+101,708
| New | +$3.86M |
|
4824
First Trust Dorsey Wright Focus 5 ETF
FV
$3.82B
| $3.68M | ﹤0.01% |
60,972
+47,979
| +369% | +$3.1M |
|
4825
Avantis Responsible International Equity ETF
AVSD
$368M
| $3.68M | ﹤0.01% |
49,995
-51,201
| -51% | -$3.93M |
|
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.