Renaissance Technologies’s Alphatec Holdings ATEC Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $11.5M | Buy |
1,055,100
+184,969
| +21% | +$2.69M | 0.02% | 905 |
|
|
2025
Q4 | $18.3M | Sell |
870,131
-108,869
| -11% | -$2.02M | 0.03% | 641 |
|
|
2025
Q3 | $14.2M | Buy |
979,000
+234,800
| +32% | +$3.27M | 0.02% | 898 |
|
|
2025
Q2 | $8.26M | Buy |
744,200
+527,732
| +244% | +$6.06M | 0.01% | 1197 |
|
|
2025
Q1 | $2.19M | Sell |
216,468
-75,632
| -26% | -$812K | ﹤0.01% | 1944 |
|
|
2024
Q4 | $2.68M | Buy |
292,100
+150,500
| +106% | +$1.2M | ﹤0.01% | 1854 |
|
|
2024
Q3 | $787K | Sell |
141,600
-145,900
| -51% | -$1.12M | ﹤0.01% | 2580 |
|
|
2024
Q2 | $3M | Sell |
287,500
-64,900
| -18% | -$756K | 0.01% | 1613 |
|
|
2024
Q1 | $4.86M | Sell |
352,400
-11,300
| -3% | -$168K | 0.01% | 1422 |
|
|
2023
Q4 | $5.5M | Buy |
363,700
+39,261
| +12% | +$469K | 0.01% | 1291 |
|
|
2023
Q3 | $4.21M | Sell |
324,439
-33,061
| -9% | -$518K | 0.01% | 1413 |
|
|
2023
Q2 | $6.43M | Buy |
+357,500
| New | +$5.57M | 0.01% | 1273 |
|
|
2022
Q4 | – | Sell |
-331,800
| Closed | -$2.9M | – | 4103 |
|
|
2022
Q3 | $2.9M | Sell |
331,800
-58,900
| -15% | -$466K | ﹤0.01% | 1782 |
|
|
2022
Q2 | $2.56M | Buy |
390,700
+237,400
| +155% | +$2.19M | ﹤0.01% | 2015 |
|
|
2022
Q1 | $1.76M | Buy |
153,300
+99,900
| +187% | +$1.08M | ﹤0.01% | 2324 |
|
|
2021
Q4 | $610K | Sell |
53,400
-17,400
| -25% | -$205K | ﹤0.01% | 2982 |
|
|
2021
Q3 | $863K | Sell |
70,800
-168,800
| -70% | -$2.35M | ﹤0.01% | 2627 |
|
|
2021
Q2 | $3.67M | Buy |
239,600
+119,800
| +100% | +$1.85M | ﹤0.01% | 1827 |
|
|
2021
Q1 | $1.89M | Buy |
+119,800
| New | +$1.89M | ﹤0.01% | 2264 |
|
|
2020
Q4 | – | Sell |
-16,190
| Closed | -$108K | – | 3370 |
|
|
2020
Q3 | $108K | Sell |
16,190
-391,999
| -96% | -$2.21M | ﹤0.01% | 3208 |
|
|
2020
Q2 | $1.92M | Sell |
408,189
-132,390
| -24% | -$585K | ﹤0.01% | 2207 |
|
|
2020
Q1 | $1.86M | Buy |
540,579
+81,792
| +18% | +$470K | ﹤0.01% | 2085 |
|
|
2019
Q4 | $3.25M | Buy |
458,787
+48,800
| +12% | +$313K | ﹤0.01% | 2090 |
|
|
2019
Q3 | $2.06M | Buy |
409,987
+133,200
| +48% | +$692K | ﹤0.01% | 2267 |
|
|
2019
Q2 | $1.26M | Buy |
276,787
+25,000
| +10% | +$93.2K | ﹤0.01% | 2584 |
|
|
2019
Q1 | $667K | Sell |
251,787
-189,600
| -43% | -$368K | ﹤0.01% | 2836 |
|
|
2018
Q4 | $1.01M | Sell |
441,387
-141,758
| -24% | -$399K | ﹤0.01% | 2566 |
|
|
2018
Q3 | $1.97M | Buy |
583,145
+98,500
| +20% | +$311K | ﹤0.01% | 2284 |
|
|
2018
Q2 | $1.44M | Buy |
484,645
+110,058
| +29% | +$391K | ﹤0.01% | 2439 |
|
|
2018
Q1 | $1.2M | Buy |
374,587
+15,500
| +4% | +$50.4K | ﹤0.01% | 2578 |
|
|
2017
Q4 | $955K | Buy |
359,087
+33,300
| +10% | +$107K | ﹤0.01% | 2673 |
|
|
2017
Q3 | $736K | Buy |
325,787
+8,600
| +3% | +$16.6K | ﹤0.01% | 2681 |
|
|
2017
Q2 | $587K | Buy |
317,187
+16,200
| +5% | +$32.7K | ﹤0.01% | 2721 |
|
|
2017
Q1 | $701K | Sell |
300,987
-12,558
| -4% | -$40.1K | ﹤0.01% | 2664 |
|
|
2016
Q4 | $1.01M | Buy |
313,545
+144,300
| +85% | +$782K | ﹤0.01% | 2535 |
|
|
2016
Q3 | $1.59M | Buy |
169,245
+82,095
| +94% | +$406K | ﹤0.01% | 2326 |
|
|
2016
Q2 | $366K | Buy |
87,150
+13,067
| +18% | +$36.2K | ﹤0.01% | 2886 |
|
|
2016
Q1 | $213K | Buy |
74,083
+14,616
| +25% | +$48.8K | ﹤0.01% | 3061 |
|
|
2015
Q4 | $214K | Buy |
59,467
+24,392
| +70% | +$82.4K | ﹤0.01% | 2977 |
|
|
2015
Q3 | $139K | Buy |
35,075
+4,125
| +13% | +$41.9K | ﹤0.01% | 2957 |
|
|
2015
Q2 | $513K | Buy |
30,950
+3,758
| +14% | +$62.6K | ﹤0.01% | 2713 |
|
|
2015
Q1 | $473K | Buy |
27,192
+3,592
| +15% | +$59.9K | ﹤0.01% | 2616 |
|
|
2014
Q4 | $399K | Buy |
23,600
+2,242
| +10% | +$38.2K | ﹤0.01% | 2500 |
|
|
2014
Q3 | $436K | Sell |
21,358
-5,517
| -21% | -$101K | ﹤0.01% | 2359 |
|
|
2014
Q2 | $526K | Buy |
26,875
+14,617
| +119% | +$245K | ﹤0.01% | 2303 |
|
|
2014
Q1 | $221K | Buy |
12,258
+7,400
| +152% | +$162K | ﹤0.01% | 2591 |
|
|
2013
Q4 | $117K | Sell |
4,858
-2,500
| -34% | -$57.7K | ﹤0.01% | 2699 |
|
|
2013
Q3 | $174K | Buy |
7,358
+2,933
| +66% | +$74.3K | ﹤0.01% | 2605 |
|
|
2013
Q2 | $109K | Buy |
+4,425
| New | +$103K | ﹤0.01% | 2608 |
|
Other funds holding ATEC
VCM
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Renaissance Technologies's ATEC Position: Q1 2026 in Review
Renaissance Technologies increased its Alphatec Holdings (ATEC) stake by 21% in Q1 2026, buying an estimated $2.69M and bringing the position to 1,055,100 shares worth $11.5M. The position accounts for 0.02% of the portfolio, ranked #905.
Renaissance Technologies first reported a position in ATEC in Q2 2013 and has held it in 49 quarters since. The position peaked at $18.3M in Q4 2025. 285 funds tracked by Wall St. Rank hold ATEC as of Q1 2026.
- Renaissance Technologies held 1,055,100 shares of Alphatec Holdings worth $11.5M as of Q1 2026.
- Renaissance Technologies bought 184,969 Alphatec Holdings shares in Q1 2026, an estimated $2.69M.
- Alphatec Holdings made up 0.02% of Renaissance Technologies's portfolio in Q1 2026, its #905 holding.
- Renaissance Technologies first reported a position in Alphatec Holdings in Q2 2013 and has held it in 49 quarters since.
- Renaissance Technologies's Alphatec Holdings position peaked at $18.3M in Q4 2025.
- 285 funds tracked by Wall St. Rank held Alphatec Holdings as of Q1 2026.
Based on Renaissance Technologies's 13F filing for Q1 2026, filed 14 May 2026.