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 | |
|---|---|---|---|---|---|---|
451
CALL
Direxion Daily Semiconductor Bull 3X ETF
SOXL
$24.8B
| $215M | 0.03% |
5,114,600
-1,725,200
| -25% | -$72M |
|
452
Procter & Gamble
PG
$335B
| $215M | 0.03% |
1,496,916
-1,247,886
| -45% | -$184M |
|
453
Okta
OKTA
$26.1B
| $214M | 0.03% |
2,470,767
+1,953,389
| +378% | +$170M |
|
454
Adobe
ADBE
$102B
| $214M | 0.03% |
610,433
+277,313
| +83% | +$94.3M |
|
455
General Motors
GM
$77B
| $214M | 0.03% |
2,626,951
+654,153
| +33% | +$46.1M |
|
456
Simon Property Group
SPG
$71.3B
| $213M | 0.03% |
1,150,935
+846,503
| +278% | +$154M |
|
457
PUT
Bristol-Myers Squibb
BMY
$130B
| $213M | 0.03% |
3,948,200
+43,800
| +1% | +$2.11M |
|
458
nVent Electric
NVT
$27.9B
| $213M | 0.03% |
2,084,590
+127,697
| +7% | +$13.3M |
|
459
Autodesk
ADSK
$52.3B
| $212M | 0.03% |
715,359
-583,309
| -45% | -$176M |
|
460
CALL
iShares Semiconductor ETF
SOXX
$46.6B
| $212M | 0.03% |
702,900
-184,300
| -21% | -$54.3M |
|
461
CALL
ARK Innovation ETF
ARKK
$6.42B
| $212M | 0.03% |
2,750,100
+198,700
| +8% | +$16.5M |
|
462
PUT
Regeneron Pharmaceuticals
REGN
$81.9B
| $211M | 0.03% |
274,000
+109,300
| +66% | +$74.2M |
|
463
Corteva
CTVA
$50.2B
| $211M | 0.03% |
3,147,718
+2,457,297
| +356% | +$159M |
|
464
T-Mobile US
TMUS
$189B
| $211M | 0.03% |
1,038,776
-1,390,786
| -57% | -$295M |
|
465
NVR
NVR
$16.8B
| $210M | 0.03% |
28,730
+9,515
| +50% | +$71.1M |
|
466
CALL
Trade Desk
TTD
$6.27B
| $209M | 0.03% |
5,517,800
-1,626,500
| -23% | -$72.1M |
|
467
CALL
Eaton
ETN
$180B
| $209M | 0.03% |
657,600
+253,700
| +63% | +$89.9M |
|
468
Union Pacific
UNP
$175B
| $209M | 0.03% |
903,194
-243,792
| -21% | -$55.6M |
|
469
CRH
CRH
$65.7B
| $209M | 0.03% |
1,672,394
+1,495,102
| +843% | +$178M |
|
470
CALL
Apollo Global Management
APO
$81.3B
| $208M | 0.03% |
1,437,300
+124,300
| +9% | +$16.5M |
|
471
PUT
Coca-Cola
KO
$374B
| $207M | 0.03% |
2,958,400
-386,100
| -12% | -$26.9M |
|
472
Five Below
FIVE
$13.1B
| $205M | 0.03% |
1,088,422
+309,072
| +40% | +$50.2M |
|
|
473
CALL
Regeneron Pharmaceuticals
REGN
$81.9B
| $205M | 0.03% |
265,300
+56,400
| +27% | +$38.3M |
|
474
CALL
Affirm
AFRM
$24.8B
| $205M | 0.03% |
2,751,200
-620,200
| -18% | -$44.6M |
|
475
CALL
NextEra Energy
NEE
$178B
| $204M | 0.03% |
2,546,300
-151,400
| -6% | -$12.5M |
|
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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.