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 | |
|---|---|---|---|---|---|---|
3751
PUT
TG Therapeutics
TGTX
$7.58B
| $7.11M | ﹤0.01% |
213,900
-171,900
| -45% | -$5.12M |
|
|
ETHU
3752
CALL
2x Ether ETF
ETHU
$743M
| $7.1M | ﹤0.01% |
317,690
-304,760
| -49% | -$10.4M |
|
3753
PUT
iShares Core Dividend Growth ETF
DGRO
$43.6B
| $7.1M | ﹤0.01% |
101,100
+93,000
| +1,148% | +$6.67M |
|
|
OFRM
3754
Once Upon a Farm PBC
OFRM
$730M
| $7.09M | ﹤0.01% |
+433,889
| New | +$8.93M |
|
3755
PUT
Sibanye-Stillwater
SBSW
$7.87B
| $7.09M | ﹤0.01% |
575,300
-347,400
| -38% | -$5.41M |
|
3756
Schwab 5-10 Year Corporate Bond ETF
SCHI
$11.5B
| $7.08M | ﹤0.01% |
+312,029
| New | +$7.16M |
|
3757
Euronet Worldwide
EEFT
$2.65B
| $7.08M | ﹤0.01% |
106,608
-139,923
| -57% | -$10M |
|
3758
Bruker
BRKR
$8.8B
| $7.07M | ﹤0.01% |
195,873
-1,223,594
| -86% | -$51.2M |
|
3759
Invesco DB Commodity Index Tracking Fund
DBC
$1.79B
| $7.07M | ﹤0.01% |
244,242
+189,766
| +348% | +$4.82M |
|
3760
PUT
Alcon
ALC
$35.2B
| $7.07M | ﹤0.01% |
93,800
-60,100
| -39% | -$4.8M |
|
3761
PUT
Sarepta Therapeutics
SRPT
$1.91B
| $7.06M | ﹤0.01% |
324,600
-112,900
| -26% | -$2.19M |
|
3762
CALL
Antero Midstream
AM
$10.6B
| $7.06M | ﹤0.01% |
309,700
-17,300
| -5% | -$357K |
|
3763
Nexa Resources
NEXA
$1.89B
| $7.05M | ﹤0.01% |
666,096
+104,925
| +19% | +$1.21M |
|
3764
CALL
ProShares UltraPro Short Dow 30
SDOW
$176M
| $7.03M | ﹤0.01% |
199,675
+152,300
| +321% | +$4.78M |
|
3765
Ranger Energy Services
RNGR
$409M
| $7.03M | ﹤0.01% |
410,135
+270,390
| +193% | +$4.38M |
|
3766
CALL
Western Alliance Bancorporation
WAL
$8.97B
| $7.02M | ﹤0.01% |
99,100
+4,100
| +4% | +$342K |
|
|
ECG
3767
Everus Construction Group
ECG
$7.36B
| $7.02M | ﹤0.01% |
59,430
-227,321
| -79% | -$23.5M |
|
3768
iShares AAA-A Rated Corporate Bond ETF
QLTA
$1.21B
| $7.02M | ﹤0.01% |
147,422
+89,320
| +154% | +$4.29M |
|
3769
CALL
Direxion Daily AMZN Bull 2X ETF
AMZU
$281M
| $7M | ﹤0.01% |
260,500
+36,100
| +16% | +$1.13M |
|
3770
CALL
Fomento Económico Mexicano
FMX
$39.9B
| $7M | ﹤0.01% |
63,000
+27,600
| +78% | +$2.97M |
|
3771
CALL
Tyson Foods
TSN
$20.5B
| $7M | ﹤0.01% |
109,200
-83,700
| -43% | -$5.2M |
|
3772
PUT
United States Copper Index Fund
CPER
$750M
| $7M | ﹤0.01% |
203,200
+37,200
| +22% | +$1.33M |
|
3773
CALL
Gold Fields
GFI
$37.2B
| $7M | ﹤0.01% |
154,100
-387,700
| -72% | -$19.5M |
|
|
BLDP
3774
Ballard Power Systems
BLDP
$784M
| $6.99M | ﹤0.01% |
2,889,033
-709,581
| -20% | -$1.69M |
|
3775
CALL
FuelCell Energy
FCEL
$1.76B
| $6.98M | ﹤0.01% |
1,068,239
+318,163
| +42% | +$2.46M |
|
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.