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 | |
|---|---|---|---|---|---|---|
326
LPL Financial
LPLA
$29.2B
| $278M | 0.04% |
923,471
+567,025
| +159% | +$190M |
|
327
CALL
Rocket Lab Corp
RKLB
$51.2B
| $277M | 0.04% |
4,318,800
-1,198,200
| -22% | -$90.3M |
|
328
PUT
Lockheed Martin
LMT
$138B
| $276M | 0.04% |
457,000
-23,600
| -5% | -$14.5M |
|
329
ServiceNow
NOW
$132B
| $276M | 0.04% |
2,636,657
+1,484,349
| +129% | +$175M |
|
330
CALL
ProShares UltraPro QQQ
TQQQ
$36.7B
| $275M | 0.04% |
6,605,700
-3,159,100
| -32% | -$158M |
|
331
CALL
Walt Disney
DIS
$179B
| $275M | 0.04% |
2,848,200
-325,200
| -10% | -$34.4M |
|
332
Colgate-Palmolive
CL
$73.6B
| $271M | 0.04% |
3,183,995
-4,040,509
| -56% | -$360M |
|
333
CALL
Direxion Daily Semiconductor Bull 3X ETF
SOXL
$22.7B
| $271M | 0.04% |
5,648,400
+533,800
| +10% | +$31M |
|
334
CALL
Intuitive Surgical
ISRG
$142B
| $270M | 0.04% |
585,700
+43,700
| +8% | +$22.1M |
|
335
Intercontinental Exchange
ICE
$84.9B
| $269M | 0.04% |
1,712,302
+1,510,230
| +747% | +$246M |
|
336
Okta
OKTA
$26.1B
| $268M | 0.04% |
3,401,709
+930,942
| +38% | +$77.3M |
|
337
Franklin Resources
BEN
$16.9B
| $267M | 0.04% |
11,321,929
+5,041,726
| +80% | +$130M |
|
|
338
PUT
Rocket Lab Corp
RKLB
$51.2B
| $267M | 0.04% |
4,159,900
-1,696,200
| -29% | -$128M |
|
339
PUT
Home Depot
HD
$353B
| $267M | 0.04% |
810,700
-169,100
| -17% | -$61.6M |
|
340
PUT
iShares MSCI Brazil ETF
EWZ
$8.6B
| $266M | 0.04% |
6,939,500
-9,778,800
| -58% | -$358M |
|
341
Boston Scientific
BSX
$74.2B
| $265M | 0.04% |
4,217,314
-558,304
| -12% | -$44.7M |
|
342
CALL
Newmont
NEM
$124B
| $264M | 0.04% |
2,438,400
-906,100
| -27% | -$104M |
|
343
CALL
United Parcel Service
UPS
$88.8B
| $263M | 0.04% |
2,676,300
-543,900
| -17% | -$58.3M |
|
344
CALL
Amgen
AMGN
$224B
| $262M | 0.04% |
743,500
-74,500
| -9% | -$26.6M |
|
345
CALL
Freeport-McMoran
FCX
$96.4B
| $261M | 0.04% |
4,441,000
-657,000
| -13% | -$39.7M |
|
|
B
346
CALL
Barrick Mining
B
$66B
| $258M | 0.04% |
6,324,000
-5,319,700
| -46% | -$246M |
|
347
PUT
Pinduoduo
PDD
$129B
| $257M | 0.04% |
2,517,900
-818,900
| -25% | -$86.1M |
|
348
PUT
RTX Corp
RTX
$302B
| $257M | 0.04% |
1,332,900
+335,500
| +34% | +$66.7M |
|
|
349
PUT
Walt Disney
DIS
$179B
| $257M | 0.04% |
2,667,200
-125,700
| -5% | -$13.3M |
|
350
Coherent
COHR
$64.3B
| $257M | 0.04% |
1,079,094
-901,429
| -46% | -$206M |
|
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.