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 |
NVIDIA
NVDA
|
+$820M |
| 2 |
Microsoft
MSFT
|
+$811M |
| 3 |
McDonald's
MCD
|
+$804M |
| 4 |
Coca-Cola
KO
|
+$655M |
| 5 |
Amazon
AMZN
|
+$646M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
SCHW
Charles Schwab
SCHW
|
+$1.64B |
| 2 |
Invesco QQQ Trust
QQQ
|
+$1.1B |
| 3 |
Strategy Inc
MSTR
|
+$564M |
| 4 |
Kroger
KR
|
+$558M |
| 5 |
Danaher
DHR
|
+$494M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 3.33% |
| 2 | Healthcare | 3.23% |
| 3 | Consumer Discretionary | 2.55% |
| 4 | Financials | 2.55% |
| 5 | Industrials | 1.94% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
501
PUT
Apollo Global Management
APO
$84.8B
| $160M | 0.03% |
1,130,600
+327,000
| +41% | +$43.4M |
|
502
Snowflake
SNOW
$117B
| $160M | 0.03% |
715,883
+256,073
| +56% | +$46.3M |
|
503
CALL
Carnival Corporation Ltd
CCL
$38.9B
| $159M | 0.03% |
5,653,400
+1,414,200
| +33% | +$30.3M |
|
504
CALL
AstraZeneca
AZN
$244B
| $159M | 0.03% |
1,137,450
+294,700
| +35% | +$41.3M |
|
505
CALL
Parker-Hannifin
PH
$134B
| $159M | 0.03% |
227,100
+182,100
| +405% | +$115M |
|
506
PUT
Sea Limited
SE
$75.5B
| $157M | 0.03% |
983,200
-315,000
| -24% | -$45.6M |
|
507
CALL
Seagate
STX
$209B
| $156M | 0.03% |
1,081,900
+296,800
| +38% | +$30.7M |
|
508
Roblox
RBLX
$27.1B
| $156M | 0.03% |
1,482,353
-890,537
| -38% | -$70M |
|
509
PUT
Capital One
COF
$137B
| $155M | 0.03% |
727,611
+16,411
| +2% | +$3.06M |
|
510
Insmed
INSM
$27.6B
| $154M | 0.03% |
1,533,277
+1,158,462
| +309% | +$88.6M |
|
511
PUT
Eaton
ETN
$176B
| $154M | 0.03% |
430,800
+65,100
| +18% | +$20M |
|
512
PUT
iShares MSCI EAFE ETF
EFA
$80.3B
| $154M | 0.03% |
1,718,300
-104,300
| -6% | -$8.9M |
|
513
CALL
Blackrock
BLK
$183B
| $154M | 0.03% |
146,300
-31,400
| -18% | -$29.7M |
|
514
PUT
GameStop
GME
$8.33B
| $153M | 0.03% |
6,288,300
+1,803,300
| +40% | +$48.3M |
|
515
Guardant Health
GH
$21.4B
| $153M | 0.03% |
2,938,553
-658,360
| -18% | -$29.4M |
|
516
CALL
Regeneron Pharmaceuticals
REGN
$83B
| $153M | 0.03% |
290,500
+62,500
| +27% | +$34.9M |
|
517
CALL
Etsy
ETSY
$7.4B
| $152M | 0.03% |
3,038,900
+611,000
| +25% | +$30.4M |
|
518
Celsius Holdings
CELH
$7.28B
| $152M | 0.03% |
3,276,594
+1,792,296
| +121% | +$69M |
|
519
GE Aerospace
GE
$374B
| $152M | 0.03% |
588,878
-743,525
| -56% | -$163M |
|
520
PUT
NextEra Energy
NEE
$179B
| $151M | 0.03% |
2,172,900
+211,800
| +11% | +$14.7M |
|
521
CALL
Hilton Worldwide
HLT
$72.2B
| $150M | 0.03% |
564,800
+3,700
| +0.7% | +$881K |
|
522
Rubrik
RBRK
$21.6B
| $150M | 0.03% |
1,674,907
+641,688
| +62% | +$50.7M |
|
523
eBay
EBAY
$46.5B
| $150M | 0.03% |
+2,009,232
| New | +$142M |
|
|
524
Parker-Hannifin
PH
$134B
| $149M | 0.03% |
212,952
+115,606
| +119% | +$73M |
|
525
CMS Energy
CMS
$22.1B
| $149M | 0.03% |
2,145,406
+728,091
| +51% | +$51.9M |
|
Similar funds
Ken Griffin's Q2 2025 Portfolio in Review
As of Q2 2025, Ken Griffin held 15,819 positions worth $576B, up 9.2% from $527B the previous quarter. Its ten largest holdings account for 27% of the portfolio.
Ken Griffin withdrew a net $29.1B in Q2 2025, closing 3,524 positions and reducing 5,141 holdings. Its most notable exit was Kroger, an estimated $558M position sold in full.
By sector, the portfolio is most concentrated in Technology at 3.3% of assets, up from 2.9% a quarter earlier, followed by Healthcare and Consumer Discretionary.
Against the trend, Ken Griffin opened a new position in Walmart Inc worth $401M.
- Ken Griffin's largest Q2 2025 buy was Walmart Inc: 4,099,492 shares worth $401M.
- Ken Griffin added most to NVIDIA in Q2 2025, an estimated $820M increase.
- Ken Griffin's biggest Q2 2025 reduction was Charles Schwab, cutting an estimated $1.64B.
- Ken Griffin fully exited Kroger in Q2 2025, selling an estimated $558M.
- Ken Griffin's ten largest holdings make up 27% of its $576B portfolio in Q2 2025.
- Ken Griffin opened 1,459 new positions and closed 3,524 in Q2 2025.
- Ken Griffin's portfolio value rose 9.2% quarter-over-quarter to $576B.
Based on Citadel Advisors's 13F filing for Q2 2025, filed 14 Aug 2025.