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 | |
|---|---|---|---|---|---|---|
2776
PUT
Powell Industries
POWL
$7.78B
| $13.6M | ﹤0.01% |
75,600
-3,000
| -4% | -$490K |
|
2777
PUT
US Bancorp
USB
$102B
| $13.6M | ﹤0.01% |
262,000
-353,700
| -57% | -$19.4M |
|
2778
The Bancorp
TBBK
$2.84B
| $13.6M | ﹤0.01% |
253,321
+125,099
| +98% | +$7.49M |
|
2779
Benchmark Electronics
BHE
$2.94B
| $13.6M | ﹤0.01% |
242,352
+150,379
| +164% | +$8.09M |
|
2780
iShares Core Universal USD Bond ETF
IUSB
$43.2B
| $13.6M | ﹤0.01% |
+293,817
| New | +$13.7M |
|
2781
CALL
Vanguard Energy ETF
VDE
$10.6B
| $13.6M | ﹤0.01% |
78,400
+65,800
| +522% | +$9.95M |
|
2782
PUT
Sunrun
RUN
$2.45B
| $13.6M | ﹤0.01% |
1,000,400
-1,508,100
| -60% | -$25.1M |
|
2783
SPDR Gold MiniShares Trust
GLDM
$30B
| $13.6M | ﹤0.01% |
146,305
-16,084
| -10% | -$1.55M |
|
2784
CALL
Tyler Technologies
TYL
$13.5B
| $13.6M | ﹤0.01% |
39,600
+26,500
| +202% | +$9.87M |
|
2785
MarketAxess Holdings
MKTX
$5.72B
| $13.6M | ﹤0.01% |
82,159
-543,049
| -87% | -$95.1M |
|
2786
JPMorgan Nasdaq Equity Premium Income ETF
JEPQ
$42B
| $13.5M | ﹤0.01% |
+244,019
| New | +$14.1M |
|
2787
CALL
TTM Technologies
TTMI
$14.7B
| $13.5M | ﹤0.01% |
139,000
-317,600
| -70% | -$30.2M |
|
2788
PUT
State Street SPDR S&P Insurance ETF
KIE
$684M
| $13.5M | ﹤0.01% |
246,100
-25,000
| -9% | -$1.44M |
|
2789
Axalta
AXTA
$7.99B
| $13.5M | ﹤0.01% |
488,586
-2,051,551
| -81% | -$65.1M |
|
2790
JPMorgan Ultra-Short Income ETF
JPST
$40.6B
| $13.5M | ﹤0.01% |
+267,115
| New | +$13.5M |
|
2791
Edgewise Therapeutics
EWTX
$4.8B
| $13.5M | ﹤0.01% |
429,032
+305,935
| +249% | +$8.82M |
|
2792
CALL
Conagra Brands
CAG
$7.5B
| $13.5M | ﹤0.01% |
859,400
+337,500
| +65% | +$5.96M |
|
2793
Carlisle Companies
CSL
$14.7B
| $13.5M | ﹤0.01% |
40,486
-9,103
| -18% | -$3.31M |
|
2794
PUT
Cal-Maine
CALM
$3.8B
| $13.5M | ﹤0.01% |
170,600
+99,800
| +141% | +$8.2M |
|
2795
Banner Corp
BANR
$2.52B
| $13.5M | ﹤0.01% |
222,512
-11,158
| -5% | -$692K |
|
2796
Olema Pharmaceuticals
OLMA
$930M
| $13.5M | ﹤0.01% |
905,332
-294,975
| -25% | -$6.57M |
|
2797
CALL
Check Point Software Technologies
CHKP
$13.4B
| $13.5M | ﹤0.01% |
94,400
+34,100
| +57% | +$5.71M |
|
2798
CALL
Canadian Solar
CSIQ
$1.03B
| $13.5M | ﹤0.01% |
973,100
+153,200
| +19% | +$2.92M |
|
2799
CALL
PureCycle Technologies
PCT
$1.4B
| $13.5M | ﹤0.01% |
2,593,200
-236,700
| -8% | -$1.97M |
|
2800
PUT
PennyMac Financial
PFSI
$4.05B
| $13.4M | ﹤0.01% |
153,800
+111,600
| +264% | +$12M |
|
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.