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 | |
|---|---|---|---|---|---|---|
|
CTRA
426
DELISTED
Coterra Energy
CTRA
| $216M | 0.04% |
6,158,585
-3,111,071
| -34% | -$93.5M |
|
427
CRH
CRH
$65.1B
| $215M | 0.03% |
2,050,024
+377,630
| +23% | +$44.4M |
|
428
Johnson Controls International
JCI
$91.7B
| $215M | 0.03% |
1,644,729
+570,412
| +53% | +$73.7M |
|
429
CALL
Cheniere Energy
LNG
$55.2B
| $215M | 0.03% |
757,400
+441,000
| +139% | +$102M |
|
430
nVent Electric
NVT
$27.6B
| $215M | 0.03% |
1,815,786
-268,804
| -13% | -$30.5M |
|
431
United Therapeutics
UTHR
$21.4B
| $214M | 0.03% |
360,643
+173,479
| +93% | +$86.4M |
|
432
Simon Property Group
SPG
$71.8B
| $212M | 0.03% |
1,138,497
-12,438
| -1% | -$2.37M |
|
433
Boston Properties
BXP
$11.1B
| $211M | 0.03% |
4,066,825
+2,315,372
| +132% | +$139M |
|
434
Shell
SHEL
$248B
| $211M | 0.03% |
2,266,451
+2,130,944
| +1,573% | +$172M |
|
435
Cognizant
CTSH
$26.8B
| $211M | 0.03% |
3,435,502
-3,697,601
| -52% | -$265M |
|
|
ECHO
436
PUT
EchoStar
ECHO
$26.6B
| $211M | 0.03% |
1,798,265
+391,565
| +28% | +$44.9M |
|
437
CALL
Eaton
ETN
$176B
| $210M | 0.03% |
587,100
-70,500
| -11% | -$25.1M |
|
438
Charles River Laboratories
CRL
$13.4B
| $209M | 0.03% |
1,212,152
+794,636
| +190% | +$147M |
|
439
Freeport-McMoran
FCX
$93.4B
| $209M | 0.03% |
3,554,068
-2,566,927
| -42% | -$155M |
|
440
CALL
TJX Companies
TJX
$170B
| $207M | 0.03% |
1,297,100
+75,500
| +6% | +$11.8M |
|
441
Pfizer
PFE
$152B
| $207M | 0.03% |
7,359,865
+1,952,489
| +36% | +$52M |
|
442
CALL
Gilead Sciences
GILD
$171B
| $206M | 0.03% |
1,481,200
+350,700
| +31% | +$49.1M |
|
443
Albertsons Companies
ACI
$6.03B
| $205M | 0.03% |
12,053,346
+1,915,608
| +19% | +$33.3M |
|
444
Agilent Technologies
A
$42.2B
| $205M | 0.03% |
1,801,714
+1,243,015
| +222% | +$158M |
|
445
Carrier Global
CARR
$52.3B
| $203M | 0.03% |
3,611,803
-1,188,124
| -25% | -$70.3M |
|
446
CALL
Sea Limited
SE
$75.9B
| $203M | 0.03% |
2,454,000
+611,800
| +33% | +$65.6M |
|
447
CALL
Cloudflare
NET
$118B
| $202M | 0.03% |
978,900
-189,600
| -16% | -$36.2M |
|
448
PNC Financial Services
PNC
$102B
| $201M | 0.03% |
967,467
-1,152,344
| -54% | -$251M |
|
449
Ameren
AEE
$30.3B
| $200M | 0.03% |
1,818,777
+107,721
| +6% | +$11.5M |
|
450
PG&E
PCG
$38.4B
| $200M | 0.03% |
11,368,656
-5,770,688
| -34% | -$98.2M |
|
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.