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 |
Amazon
AMZN
|
+$2.49B |
| 2 |
NVIDIA
NVDA
|
+$2.19B |
| 3 |
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
|
+$1.94B |
| 4 |
TSMC
TSM
|
+$728M |
| 5 |
UnitedHealth
UNH
|
+$705M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Meta Platforms (Facebook)
META
|
+$775M |
| 2 |
AbbVie
ABBV
|
+$540M |
| 3 |
Delta Air Lines
DAL
|
+$434M |
| 4 |
Eli Lilly
LLY
|
+$433M |
| 5 |
DexCom
DXCM
|
+$433M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 4.89% |
| 2 | Healthcare | 2.92% |
| 3 | Financials | 2.71% |
| 4 | Consumer Discretionary | 2.52% |
| 5 | Industrials | 2.2% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
551
iShares iBoxx $ High Yield Corporate Bond ETF
HYG
$17.9B
| $171M | 0.03% |
+2,126,497
| New | +$171M |
|
552
iShares Gold Trust
IAU
$64.5B
| $171M | 0.03% |
2,108,607
+1,190,618
| +130% | +$93.1M |
|
553
Ameren
AEE
$30.3B
| $171M | 0.03% |
1,711,056
+1,653,667
| +2,882% | +$170M |
|
554
CALL
KLA
KLAC
$273B
| $171M | 0.03% |
1,406,000
+314,000
| +29% | +$36.8M |
|
555
PayPal
PYPL
$51.8B
| $171M | 0.03% |
2,925,067
+1,973,095
| +207% | +$128M |
|
556
CALL
FedEx
FDX
$80.3B
| $171M | 0.03% |
590,500
-117,500
| -17% | -$30.9M |
|
557
Burlington
BURL
$22.5B
| $170M | 0.03% |
587,459
+110,649
| +23% | +$30M |
|
558
Snap
SNAP
$8.93B
| $169M | 0.03% |
20,968,545
+12,783,392
| +156% | +$101M |
|
559
Ionis Pharmaceuticals
IONS
$9.26B
| $169M | 0.03% |
2,134,636
-267,429
| -11% | -$20.1M |
|
|
ECHO
560
CALL
EchoStar
ECHO
$26.6B
| $169M | 0.03% |
1,553,510
-133,400
| -8% | -$10.9M |
|
561
Northrop Grumman
NOC
$81.7B
| $169M | 0.03% |
295,772
-142,243
| -32% | -$82.6M |
|
562
CALL
iShares Core S&P 500 ETF
IVV
$910B
| $169M | 0.03% |
246,200
-65,300
| -21% | -$44.3M |
|
563
PUT
Procter & Gamble
PG
$335B
| $169M | 0.03% |
1,176,300
+299,300
| +34% | +$44.1M |
|
564
Ciena
CIEN
$62.4B
| $168M | 0.03% |
719,747
-366,782
| -34% | -$71.2M |
|
565
PUT
Humana
HUM
$46.1B
| $168M | 0.03% |
654,800
-578,500
| -47% | -$152M |
|
|
566
AbbVie
ABBV
$443B
| $168M | 0.03% |
733,351
-2,372,075
| -76% | -$540M |
|
567
CALL
Danaher
DHR
$144B
| $168M | 0.03% |
731,800
-122,100
| -14% | -$26.8M |
|
|
CHYM
568
Chime Financial
CHYM
$12.1B
| $167M | 0.03% |
6,632,403
+4,249,643
| +178% | +$90.3M |
|
569
PUT
Occidental Petroleum
OXY
$57.7B
| $167M | 0.03% |
4,053,100
-252,000
| -6% | -$10.5M |
|
570
CALL
Thermo Fisher Scientific
TMO
$220B
| $167M | 0.03% |
287,400
-57,200
| -17% | -$32.3M |
|
|
571
CALL
iShares Gold Trust
IAU
$64.5B
| $166M | 0.02% |
2,042,600
+824,700
| +68% | +$64.5M |
|
572
Ollie's Bargain Outlet
OLLI
$4.72B
| $166M | 0.02% |
1,510,384
+1,006,079
| +199% | +$121M |
|
573
Travelers Companies
TRV
$77.4B
| $166M | 0.02% |
570,593
+378,545
| +197% | +$107M |
|
574
Hyatt Hotels
H
$16.9B
| $166M | 0.02% |
1,032,325
+14,175
| +1% | +$2.17M |
|
575
CALL
Lowe's Companies
LOW
$122B
| $164M | 0.02% |
681,500
-113,600
| -14% | -$27.3M |
|
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Ken Griffin's Q4 2025 Portfolio in Review
As of Q4 2025, Ken Griffin held 14,701 positions worth $666B, up 1.3% from $657B the previous quarter. Its ten largest holdings account for 23% of the portfolio.
Ken Griffin's Q4 2025 filing shows 2,078 new, 5,000 increased, 5,362 reduced and 2,191 closed positions. Its largest new stake was Medline Inc: 6,006,339 shares worth $252M. The largest sale was Meta Platforms (Facebook), an estimated $775M.
By sector, the portfolio is most concentrated in Technology at 4.9% of assets, up from 3.8% a quarter earlier, followed by Healthcare and Financials.
- Ken Griffin's largest Q4 2025 buy was Medline Inc: 6,006,339 shares worth $252M.
- Ken Griffin added most to Amazon in Q4 2025, an estimated $2.49B increase.
- Ken Griffin's biggest Q4 2025 reduction was Meta Platforms (Facebook), cutting an estimated $775M.
- Ken Griffin fully exited WEX in Q4 2025, selling an estimated $131M.
- Ken Griffin's ten largest holdings make up 23% of its $666B portfolio in Q4 2025.
- Ken Griffin opened 2,078 new positions and closed 2,191 in Q4 2025.
- Ken Griffin's portfolio value rose 1.3% quarter-over-quarter to $666B.
Based on Citadel Advisors's 13F filing for Q4 2025, filed 17 Feb 2026.