Jim Simons Renaissance Technologies
Jim Simons is the founder of Renaissance Technologies, one of the most successful quantitative hedge funds in the world. Before his career in finance, he served as a mathematics professor and made significant contributions to differential geometry. Simons applied his analytical expertise to develop sophisticated, algorithm-driven trading strategies, earning consistently high returns for investors.
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Apple
AAPL
|
+$800M |
| 2 |
NVIDIA
NVDA
|
+$304M |
| 3 |
Broadcom
AVGO
|
+$261M |
| 4 |
Linde
LIN
|
+$237M |
| 5 |
JPMorgan Chase
JPM
|
+$208M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Costco
COST
|
+$656M |
| 2 |
Netflix
NFLX
|
+$632M |
| 3 |
Tesla
TSLA
|
+$474M |
| 4 |
Procter & Gamble
PG
|
+$428M |
| 5 |
Micron Technology
MU
|
+$332M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 22.04% |
| 2 | Healthcare | 15.35% |
| 3 | Industrials | 11.13% |
| 4 | Consumer Discretionary | 10.88% |
| 5 | Financials | 10.52% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
751
Atlanta Braves Holdings Series A
BATRA
$3.63B
| $15.8M | 0.02% |
334,700
+89,300
| +36% | +$4.08M |
|
752
Cosan
CSAN
$2.52B
| $15.7M | 0.02% |
3,810,669
-252,313
| -6% | -$1.1M |
|
753
Hamilton Lane
HLNE
$5.69B
| $15.6M | 0.02% |
157,431
-1,800
| -1% | -$221K |
|
754
ZTO Express
ZTO
$17.6B
| $15.6M | 0.02% |
618,800
+495,100
| +400% | +$11.6M |
|
755
Nathan's Famous
NATH
$397M
| $15.5M | 0.02% |
154,356
+12,300
| +9% | +$1.22M |
|
|
RAL
756
Ralliant Corp
RAL
$8.03B
| $15.4M | 0.02% |
371,082
+82,580
| +29% | +$3.88M |
|
757
Adeia
ADEA
$3.1B
| $15.4M | 0.02% |
640,343
-74,700
| -10% | -$1.51M |
|
758
Chord Energy
CHRD
$7.53B
| $15.4M | 0.02% |
108,152
-23,700
| -18% | -$2.58M |
|
759
Gold Fields
GFI
$36.4B
| $15.4M | 0.02% |
338,204
-207,483
| -38% | -$10.4M |
|
|
CHYM
760
Chime Financial
CHYM
$12B
| $15.3M | 0.02% |
+818,700
| New | +$18.6M |
|
761
Avery Dennison
AVY
$13.7B
| $15.3M | 0.02% |
+88,500
| New | +$16.2M |
|
762
Haverty Furniture Companies
HVT
$441M
| $15.2M | 0.02% |
719,830
+19,624
| +3% | +$478K |
|
763
Caterpillar
CAT
$393B
| $15.2M | 0.02% |
+21,507
| New | +$14.9M |
|
764
Thomson Reuters
TRI
$44.5B
| $15.2M | 0.02% |
166,090
+31,801
| +24% | +$3.35M |
|
|
KEEL
765
Keel Infrastructure Corp
KEEL
$2.19B
| $15.1M | 0.02% |
7,767,131
+882,700
| +13% | +$2.07M |
|
766
LeMaitre Vascular
LMAT
$1.88B
| $15.1M | 0.02% |
138,502
-42,000
| -23% | -$4M |
|
767
Fastly Inc
FSLY
$4.54B
| $15.1M | 0.02% |
518,354
-119,100
| -19% | -$1.96M |
|
768
Option Care Health
OPCH
$3.57B
| $15M | 0.02% |
558,926
+75,100
| +16% | +$2.44M |
|
769
iShares Core MSCI Emerging Markets ETF
IEMG
$158B
| $15M | 0.02% |
+215,200
| New | +$15.5M |
|
|
SLNO
770
DELISTED
Soleno Therapeutics
SLNO
| $15M | 0.02% |
+447,300
| New | +$17.5M |
|
771
Hartford Financial Services
HIG
$37.7B
| $15M | 0.02% |
110,600
+13,300
| +14% | +$1.82M |
|
772
The RealReal
REAL
$1.36B
| $14.9M | 0.02% |
1,646,200
+890,700
| +118% | +$11.3M |
|
773
Mid-America Apartment Communities
MAA
$15.4B
| $14.9M | 0.02% |
122,149
+67,696
| +124% | +$8.93M |
|
774
Astronics
ATRO
$4.34B
| $14.9M | 0.02% |
267,504
+203,880
| +320% | +$12.3M |
|
775
Kosmos Energy
KOS
$1.49B
| $14.8M | 0.02% |
5,339,638
+3,691,800
| +224% | +$6.94M |
|
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Jim Simons's Q1 2026 Portfolio in Review
As of Q1 2026, Jim Simons held 3,809 positions worth $63.9B, down 0.82% from $64.5B the previous quarter. Its ten largest holdings account for 11% of the portfolio.
Jim Simons's Q1 2026 filing shows 624 new, 1,320 increased, 1,262 reduced and 596 closed positions. Its largest new stake was Apple: 3,075,638 shares worth $781M. The largest sale was Costco, an estimated $656M.
By sector, the portfolio is most concentrated in Technology at 22% of assets, up from 21% a quarter earlier, followed by Healthcare and Industrials.
- Jim Simons's largest Q1 2026 buy was Apple: 3,075,638 shares worth $781M.
- Jim Simons added most to NVIDIA in Q1 2026, an estimated $304M increase.
- Jim Simons's biggest Q1 2026 reduction was Costco, cutting an estimated $656M.
- Jim Simons fully exited Procter & Gamble in Q1 2026, selling an estimated $428M.
- Jim Simons's ten largest holdings make up 11% of its $63.9B portfolio in Q1 2026.
- Jim Simons opened 624 new positions and closed 596 in Q1 2026.
- Jim Simons's portfolio value fell 0.82% quarter-over-quarter to $63.9B.
Based on Renaissance Technologies's 13F filing for Q1 2026, filed 14 May 2026.