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 | |
|---|---|---|---|---|---|---|
1451
Bloom Energy
BE
$69.6B
| $44.6M | 0.01% |
329,230
-566,555
| -63% | -$83.2M |
|
1452
PUT
Dollar General
DG
$26.4B
| $44.6M | 0.01% |
375,500
-332,400
| -47% | -$47.4M |
|
1453
Glacier Bancorp
GBCI
$6.4B
| $44.5M | 0.01% |
996,782
+923,116
| +1,253% | +$43.7M |
|
|
FIG
1454
PUT
Figma
FIG
$14B
| $44.5M | 0.01% |
2,104,100
+465,000
| +28% | +$12.8M |
|
1455
CALL
Enphase Energy
ENPH
$5.39B
| $44.5M | 0.01% |
1,176,000
-1,043,000
| -47% | -$43.3M |
|
1456
CALL
Wayfair
W
$13.9B
| $44.4M | 0.01% |
590,900
-458,100
| -44% | -$41.4M |
|
1457
CALL
Kraft Heinz
KHC
$29.1B
| $44.4M | 0.01% |
1,975,400
+137,800
| +7% | +$3.24M |
|
1458
Barclays
BCS
$94.4B
| $44.3M | 0.01% |
2,095,544
+1,785,298
| +575% | +$43.5M |
|
1459
Ecolab
ECL
$78.1B
| $44.3M | 0.01% |
166,676
+109,878
| +193% | +$31M |
|
1460
CALL
Twilio
TWLO
$37.9B
| $44.3M | 0.01% |
352,400
-102,800
| -23% | -$12.6M |
|
1461
Ultragenyx Pharmaceutical
RARE
$2.65B
| $44.3M | 0.01% |
2,115,491
-210,634
| -9% | -$4.74M |
|
1462
Scholar Rock
SRRK
$6.55B
| $44.3M | 0.01% |
900,799
+404,853
| +82% | +$18.1M |
|
1463
Avantis International Small Cap Value ETF
AVDV
$19.9B
| $44.2M | 0.01% |
+443,056
| New | +$45.2M |
|
1464
Builders FirstSource
BLDR
$7.79B
| $44.2M | 0.01% |
537,269
-743,719
| -58% | -$79.4M |
|
|
USAR
1465
CALL
USA Rare Earth Inc
USAR
$4.55B
| $44.2M | 0.01% |
2,919,600
+1,292,200
| +79% | +$25.1M |
|
1466
ATI
ATI
$31.4B
| $44.1M | 0.01% |
303,296
+200,594
| +195% | +$27.9M |
|
1467
CALL
TE Connectivity
TEL
$62B
| $44.1M | 0.01% |
211,000
+31,900
| +18% | +$7.04M |
|
|
CNH
1468
CNH Industrial
CNH
$17.3B
| $44.1M | 0.01% |
4,005,689
+2,509,512
| +168% | +$28.2M |
|
1469
LXP Industrial Trust
LXP
$3.58B
| $44M | 0.01% |
950,275
-81,087
| -8% | -$3.96M |
|
1470
CALL
Unilever
UL
$135B
| $43.9M | 0.01% |
770,852
+148,812
| +24% | +$9.97M |
|
1471
CALL
AeroVironment
AVAV
$9.59B
| $43.9M | 0.01% |
239,900
-38,700
| -14% | -$10.2M |
|
1472
CoStar Group
CSGP
$13.4B
| $43.9M | 0.01% |
1,088,204
+483,661
| +80% | +$25.2M |
|
1473
Curtiss-Wright
CW
$26.7B
| $43.9M | 0.01% |
64,402
+23,502
| +57% | +$15.6M |
|
1474
PUT
Southern Copper
SCCO
$165B
| $43.8M | 0.01% |
260,436
+91,177
| +54% | +$16.5M |
|
1475
CALL
Kroger
KR
$34.3B
| $43.8M | 0.01% |
605,500
-251,700
| -29% | -$17M |
|
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.