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 | |
|---|---|---|---|---|---|---|
1451
TG Therapeutics
TGTX
$7.41B
| $37.6M | 0.01% |
1,044,468
+398,591
| +62% | +$14.8M |
|
1452
Avantor
AVTR
$9.27B
| $37.6M | 0.01% |
2,789,924
+2,438,523
| +694% | +$33.4M |
|
1453
PUT
Transmedics
TMDX
$3.05B
| $37.5M | 0.01% |
280,100
+8,400
| +3% | +$922K |
|
1454
CALL
Cboe Global Markets
CBOE
$30.9B
| $37.5M | 0.01% |
160,800
-18,900
| -11% | -$4.21M |
|
|
TTAN
1455
ServiceTitan Inc
TTAN
$8.7B
| $37.4M | 0.01% |
+349,367
| New | +$39M |
|
1456
NXP Semiconductors
NXPI
$58.6B
| $37.4M | 0.01% |
171,378
-40,454
| -19% | -$7.9M |
|
1457
CALL
ProShares Ultra QQQ
QLD
$14.3B
| $37.4M | 0.01% |
636,000
+136,000
| +27% | +$6.61M |
|
1458
CALL
Root
ROOT
$794M
| $37.4M | 0.01% |
292,500
+167,400
| +134% | +$22.7M |
|
1459
CALL
Wingstop
WING
$3.39B
| $37.4M | 0.01% |
111,000
+17,900
| +19% | +$5.3M |
|
1460
Travel + Leisure Co
TNL
$4.62B
| $37.3M | 0.01% |
722,923
-691,500
| -49% | -$32.5M |
|
1461
Under Armour
UAA
$2.3B
| $37.3M | 0.01% |
5,454,046
+2,050,545
| +60% | +$12.8M |
|
1462
Kirby Corp
KEX
$7.29B
| $37.2M | 0.01% |
328,309
+234,300
| +249% | +$24.6M |
|
1463
CALL
International Paper
IP
$21.6B
| $37.2M | 0.01% |
794,100
-162,600
| -17% | -$7.69M |
|
1464
ANI Pharmaceuticals
ANIP
$1.75B
| $37.2M | 0.01% |
569,630
-153,699
| -21% | -$10M |
|
1465
PUT
Five Below
FIVE
$13.6B
| $37.2M | 0.01% |
283,300
+32,900
| +13% | +$3.2M |
|
1466
Qualcomm
QCOM
$173B
| $37.1M | 0.01% |
233,189
+78,645
| +51% | +$11.6M |
|
1467
Teva Pharmaceuticals
TEVA
$42.7B
| $37.1M | 0.01% |
2,213,086
-640,005
| -22% | -$10.3M |
|
1468
Corpay
CPAY
$27.5B
| $37.1M | 0.01% |
111,764
+89,891
| +411% | +$29.3M |
|
1469
Atlantic Union Bankshares
AUB
$6.1B
| $37M | 0.01% |
1,183,439
+738,574
| +166% | +$21.3M |
|
1470
PUT
Franco-Nevada
FNV
$45.3B
| $37M | 0.01% |
225,500
-18,400
| -8% | -$3.05M |
|
1471
Albemarle
ALB
$16.1B
| $36.9M | 0.01% |
589,203
+36,275
| +7% | +$2.15M |
|
1472
CALL
Prudential Financial
PRU
$43.1B
| $36.9M | 0.01% |
343,300
-146,400
| -30% | -$15.2M |
|
1473
CALL
Ares Management
ARES
$32.5B
| $36.8M | 0.01% |
212,600
+45,000
| +27% | +$7.12M |
|
1474
Labcorp
LH
$25.9B
| $36.8M | 0.01% |
140,256
+137,948
| +5,977% | +$33.6M |
|
1475
CALL
Fidelity National Information Services
FIS
$22.2B
| $36.8M | 0.01% |
452,200
+89,300
| +25% | +$6.95M |
|
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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.