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 | |
|---|---|---|---|---|---|---|
2626
PUT
Equinox Gold
EQX
$13.5B
| $15.4M | ﹤0.01% |
1,066,300
-210,900
| -17% | -$3.22M |
|
2627
Fortuna Silver Mines
FSM
$3.16B
| $15.4M | ﹤0.01% |
1,547,978
+1,340,915
| +648% | +$14.5M |
|
2628
Hillman Solutions
HLMN
$1.69B
| $15.3M | ﹤0.01% |
1,844,840
-971,204
| -34% | -$8.77M |
|
2629
PUT
Nokia
NOK
$60.1B
| $15.3M | ﹤0.01% |
1,908,300
+229,100
| +14% | +$1.68M |
|
2630
Marqeta
MQ
$1.7B
| $15.3M | ﹤0.01% |
939,496
+562,283
| +149% | +$9.47M |
|
|
SA
2631
PUT
Seabridge Gold
SA
$3.62B
| $15.3M | ﹤0.01% |
539,800
-297,000
| -35% | -$9.48M |
|
2632
Saic
SAIC
$5.36B
| $15.3M | ﹤0.01% |
161,163
-291,829
| -64% | -$28.6M |
|
|
ARX
2633
Accelerant Holdings
ARX
$4.27B
| $15.3M | ﹤0.01% |
1,144,206
+428,754
| +60% | +$5.42M |
|
2634
CALL
Jefferies Financial Group
JEF
$12.7B
| $15.3M | ﹤0.01% |
370,400
+7,900
| +2% | +$410K |
|
2635
CALL
VanEck Rare Earth/Strategic Metals ETF
REMX
$2.3B
| $15.3M | ﹤0.01% |
173,700
+54,600
| +46% | +$4.92M |
|
2636
Rogers Communications
RCI
$19.7B
| $15.3M | ﹤0.01% |
397,533
-664,396
| -63% | -$25.3M |
|
2637
Paymentus
PAY
$5.27B
| $15.2M | ﹤0.01% |
599,801
-216,754
| -27% | -$5.7M |
|
2638
CALL
Ambarella
AMBA
$3.6B
| $15.2M | ﹤0.01% |
295,600
-345,900
| -54% | -$21.6M |
|
2639
Eagle Materials
EXP
$6.4B
| $15.2M | ﹤0.01% |
80,294
+25,320
| +46% | +$5.39M |
|
2640
PUT
Motorola Solutions
MSI
$77.2B
| $15.2M | ﹤0.01% |
35,000
-41,500
| -54% | -$18M |
|
2641
DraftKings
DKNG
$13B
| $15.2M | ﹤0.01% |
702,016
-9,670,418
| -93% | -$262M |
|
2642
Vermilion Energy
VET
$1.73B
| $15.2M | ﹤0.01% |
1,101,269
+3,886
| +0.4% | +$41.2K |
|
2643
CALL
American Water Works
AWK
$27.1B
| $15.2M | ﹤0.01% |
111,400
+60,600
| +119% | +$8.01M |
|
2644
CALL
Copart
CPRT
$29.3B
| $15.2M | ﹤0.01% |
456,400
+132,400
| +41% | +$4.97M |
|
|
SII
2645
CALL
Sprott
SII
$3B
| $15.1M | ﹤0.01% |
106,000
+38,700
| +58% | +$5.18M |
|
2646
UWM Holdings
UWMC
$2.55B
| $15.1M | ﹤0.01% |
4,184,124
-2,531,350
| -38% | -$11.6M |
|
2647
PUT
Bunge Global
BG
$21.8B
| $15.1M | ﹤0.01% |
118,900
-14,300
| -11% | -$1.66M |
|
2648
Archer Aviation
ACHR
$5.1B
| $15.1M | ﹤0.01% |
2,924,048
+717,457
| +33% | +$5.12M |
|
2649
Carvana
CVNA
$83.1B
| $15.1M | ﹤0.01% |
240,340
+82,785
| +53% | +$6.14M |
|
2650
Boise Cascade
BCC
$2.9B
| $15.1M | ﹤0.01% |
198,917
+131,091
| +193% | +$10.5M |
|
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.