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Jim Simons Renaissance Technologies
AUM
$72.6B
Turnover
31.08%
1-Year Est. Return
54.88%
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.
This Fund
S&P 500
This Quarter Est. Return
+24.48%
1 Year Est. Return
+54.88%
3 Year Est. Return
+169.34%
5 Year Est. Return
+186.18%
10 Year Est. Return
+887.93%
AUM
$72.6B
AUM Growth
+$8.69B
(+14%)
Cap. Flow
+$958M
Cap. Flow % of AUM
Cap. Flow %
1.32%
Top 10 Holdings %
Top 10 Hldgs %
12.01%
Holding
3,761
New
548
Increased
1,084
Reduced
1,502
Closed
621
Avg Time Held
3.5
years
Top 10 Avg Time Held
1.5
years
Top 20 Avg Time Held
1.3
years
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Meta Platforms (Facebook)
META
|
+$1.08B |
| 2 |
NVIDIA
NVDA
|
+$938M |
| 3 |
Alphabet (Google) Class A
GOOGL
|
+$639M |
| 4 |
Netflix
NFLX
|
+$598M |
| 5 |
Amazon
AMZN
|
+$575M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Micron Technology
MU
|
+$1.46B |
| 2 |
Sandisk
SNDK
|
+$1.13B |
| 3 |
Apple
AAPL
|
+$426M |
| 4 |
Linde
LIN
|
+$316M |
| 5 |
Vertiv
VRT
|
+$297M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 23.58% |
| 2 | Healthcare | 14.83% |
| 3 | Consumer Discretionary | 11.24% |
| 4 | Industrials | 10.49% |
| 5 | Communication Services | 8.91% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | Held Since | |
|---|---|---|---|---|---|---|---|
851
Churchill Downs
CHDN
$5.71B
| $14.8M | 0.02% |
+165,250
| New | +$14.8M |
2026 Q2
0 quarters
|
|
852
Kosmos Energy
KOS
$1.66B
| $14.8M | 0.02% |
7,008,668
+1,669,030
| +31% | +$4.65M |
2025 Q3
3 quarters
|
|
853
iShares 1-5 Year Investment Grade Corporate Bond ETF
IGSB
$23.4B
| $14.8M | 0.02% |
281,971
-262,592
| -48% | -$13.8M |
2023 Q3
11 quarters
|
|
854
Arteris
AIP
$938M
| $14.8M | 0.02% |
303,876
+234,476
| +338% | +$7.5M |
2022 Q2
16 quarters
|
|
855
iShares Gold Trust
IAU
$61.4B
| $14.8M | 0.02% |
195,400
+71,432
| +58% | +$6.06M |
2025 Q3
3 quarters
|
|
856
Southside Bancshares
SBSI
$909M
| $14.7M | 0.02% |
419,146
-21,000
| -5% | -$696K |
2013 Q2
52 quarters
|
|
857
Arrow Electronics
ARW
$11B
| $14.7M | 0.02% |
69,100
-99,857
| -59% | -$19.9M |
2025 Q4
2 quarters
|
|
858
Clover Health Investments
CLOV
$2.36B
| $14.7M | 0.02% |
2,807,441
-594,100
| -17% | -$2.02M |
2022 Q1
17 quarters
|
|
859
La-Z-Boy
LZB
$1.17B
| $14.6M | 0.02% |
365,000
+141,400
| +63% | +$5.11M |
2025 Q2
4 quarters
|
|
860
Pilgrim's Pride
PPC
$6.79B
| $14.6M | 0.02% |
520,311
-386,713
| -43% | -$11.9M |
2019 Q2
28 quarters
|
|
861
UP Fintech Holding
TIGR
$730M
| $14.6M | 0.02% |
3,320,500
+1,538,434
| +86% | +$8.96M |
2025 Q1
5 quarters
|
|
862
Enphase Energy
ENPH
$4.05B
| $14.6M | 0.02% |
296,400
-592,228
| -67% | -$27M |
2025 Q1
5 quarters
|
|
863
American Financial Group
AFG
$12.3B
| $14.6M | 0.02% |
+104,200
| New | +$13.8M |
2026 Q2
0 quarters
|
|
864
Bloomin' Brands
BLMN
$852M
| $14.5M | 0.02% |
1,589,300
+1,219,504
| +330% | +$8.88M |
2025 Q4
2 quarters
|
|
865
Americold
COLD
$3.92B
| $14.5M | 0.02% |
919,700
-755,100
| -45% | -$10.4M |
2024 Q1
9 quarters
|
|
866
Cipher Digital
CIFR
$3.71B
| $14.4M | 0.02% |
589,200
-1,313,367
| -69% | -$27.7M |
2026 Q1
1 quarter
|
|
867
Zurn Elkay Water Solutions
ZWS
$7.82B
| $14.4M | 0.02% |
284,693
-100,100
| -26% | -$4.89M |
2025 Q4
2 quarters
|
|
868
Payoneer
PAYO
$2.41B
| $14.4M | 0.02% |
2,019,100
-413,200
| -17% | -$2.26M |
2022 Q1
17 quarters
|
|
869
AGNT Inc
AGNT
$623M
| $14.3M | 0.02% |
2,652,116
-30,700
| -1% | -$169K |
2019 Q2
28 quarters
|
|
870
IPG Photonics
IPGP
$3.08B
| $14.3M | 0.02% |
122,200
+36,500
| +43% | +$4.19M |
2025 Q4
2 quarters
|
|
871
EchoStar
ECHO
$25.1B
| $14.3M | 0.02% |
+140,787
| New | +$17.2M |
2026 Q2
0 quarters
|
|
872
iShares Core S&P 500 ETF
IVV
$884B
| $14.2M | 0.02% |
+18,980
| New | +$13.8M |
2026 Q2
0 quarters
|
|
873
MillerKnoll
MLKN
$1.44B
| $14.2M | 0.02% |
694,383
+508,200
| +273% | +$8.14M |
2026 Q1
1 quarter
|
|
|
ORLA
874
DELISTED
Orla Mining
ORLA
| $14.2M | 0.02% |
1,450,899
+74,100
| +5% | +$986K |
2024 Q2
8 quarters
|
|
875
UGI
UGI
$8.17B
| $14.1M | 0.02% |
408,983
+48,200
| +13% | +$1.7M |
2023 Q4
10 quarters
|
|
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Jim Simons's Q2 2026 Portfolio in Review
As of Q2 2026, Jim Simons held 3,761 positions worth $72.6B, up 14% from $63.9B the previous quarter. Its ten largest holdings account for 12% of the portfolio.
Jim Simons's Q2 2026 filing shows 548 new, 1,084 increased, 1,502 reduced and 621 closed positions. Its largest new stake was Amazon: 2,290,710 shares worth $546M. The largest sale was Micron Technology, an estimated $1.46B.
By sector, the portfolio is most concentrated in Technology at 24% of assets, up from 22% a quarter earlier, followed by Healthcare and Consumer Discretionary.
- Jim Simons's largest Q2 2026 buy was Amazon: 2,290,710 shares worth $546M.
- Jim Simons added most to Meta Platforms (Facebook) in Q2 2026, an estimated $1.08B increase.
- Jim Simons's biggest Q2 2026 reduction was Micron Technology, cutting an estimated $1.46B.
- Jim Simons fully exited Applovin in Q2 2026, selling an estimated $174M.
- Jim Simons's ten largest holdings make up 12% of its $72.6B portfolio in Q2 2026.
- Jim Simons opened 548 new positions and closed 621 in Q2 2026.
- Jim Simons's portfolio value rose 14% quarter-over-quarter to $72.6B.
Based on Renaissance Technologies's 13F filing for Q2 2026, filed 13 Aug 2026.