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 | |
|---|---|---|---|---|---|---|
326
Neurocrine Biosciences
NBIX
$15.3B
| $258M | 0.04% |
2,049,075
+1,160,047
| +130% | +$133M |
|
327
CALL
Direxion Daily S&P 500 Bull 3x ETF
SPXL
$7.41B
| $256M | 0.04% |
1,477,900
-33,900
| -2% | -$4.78M |
|
328
CALL
Cameco
CCJ
$42.6B
| $254M | 0.04% |
3,425,100
+1,784,600
| +109% | +$95.2M |
|
329
CALL
Airbnb
ABNB
$111B
| $254M | 0.04% |
1,920,900
-680,600
| -26% | -$86.2M |
|
330
PUT
Lam Research
LRCX
$422B
| $254M | 0.04% |
2,611,100
+246,100
| +10% | +$19.5M |
|
331
CALL
VanEck Gold Miners ETF
GDX
$26.9B
| $253M | 0.04% |
4,862,800
+717,400
| +17% | +$35.6M |
|
332
PUT
Invesco S&P 500 Equal Weight ETF
RSP
$100B
| $251M | 0.04% |
1,383,100
-2,710,000
| -66% | -$468M |
|
333
CALL
Illumina
ILMN
$29.1B
| $251M | 0.04% |
2,633,100
+2,433,600
| +1,220% | +$198M |
|
334
CALL
SoFi Technologies
SOFI
$23.8B
| $250M | 0.04% |
13,733,800
-235,400
| -2% | -$3.1M |
|
|
CRCL
335
CALL
Circle Internet Group
CRCL
$19.1B
| $250M | 0.04% |
+1,377,600
| New | +$224M |
|
336
CALL
Blackstone
BX
$112B
| $248M | 0.04% |
1,657,500
-212,800
| -11% | -$29.2M |
|
337
PUT
Hims & Hers Health
HIMS
$6.71B
| $248M | 0.04% |
4,966,300
+2,267,900
| +84% | +$103M |
|
|
OKLO
338
PUT
Oklo
OKLO
$8.64B
| $248M | 0.04% |
4,421,000
+3,063,000
| +226% | +$118M |
|
339
CALL
Freeport-McMoran
FCX
$93.6B
| $247M | 0.04% |
5,696,100
-1,669,400
| -23% | -$63.4M |
|
340
CALL
Occidental Petroleum
OXY
$57.7B
| $246M | 0.04% |
5,864,200
+1,269,100
| +28% | +$53M |
|
341
Progressive
PGR
$121B
| $246M | 0.04% |
920,997
+896,545
| +3,667% | +$246M |
|
|
342
CALL
Danaher
DHR
$143B
| $245M | 0.04% |
1,241,000
+245,400
| +25% | +$47.6M |
|
343
SPDR Gold Trust
GLD
$142B
| $244M | 0.04% |
+801,305
| New | +$243M |
|
344
Darling Ingredients
DAR
$10.4B
| $243M | 0.04% |
6,398,458
+608,346
| +11% | +$20M |
|
345
Insulet
PODD
$10.2B
| $242M | 0.04% |
771,548
+627,598
| +436% | +$181M |
|
|
HOLX
346
DELISTED
Hologic
HOLX
| $242M | 0.04% |
3,708,947
+3,451,781
| +1,342% | +$207M |
|
|
347
PUT
Occidental Petroleum
OXY
$57.7B
| $241M | 0.04% |
5,738,900
+2,171,300
| +61% | +$90.7M |
|
348
CALL
Arista Networks
ANET
$257B
| $241M | 0.04% |
2,352,900
-544,200
| -19% | -$47.1M |
|
349
Paylocity
PCTY
$8.1B
| $238M | 0.04% |
1,312,600
+428,259
| +48% | +$80.4M |
|
350
PUT
Royal Caribbean
RCL
$82.9B
| $237M | 0.04% |
758,200
-420,200
| -36% | -$100M |
|
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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.