Citadel Advisors’s MACOM Technology Solutions MTSI Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $131M | Buy |
590,570
+457,447
| +344% | +$102M | 0.02% | 649 |
|
|
2025
Q4 | $22.8M | Sell |
133,123
-261,512
| -66% | -$41.5M | ﹤0.01% | 2193 |
|
|
2025
Q3 | $49.1M | Sell |
394,635
-993,395
| -72% | -$131M | 0.01% | 1392 |
|
|
2025
Q2 | $199M | Buy |
1,388,030
+346,035
| +33% | +$40.4M | 0.03% | 410 |
|
|
2025
Q1 | $105M | Buy |
1,041,995
+207,902
| +25% | +$25.3M | 0.02% | 672 |
|
|
2024
Q4 | $108M | Buy |
834,093
+11,505
| +1% | +$1.45M | 0.02% | 692 |
|
|
2024
Q3 | $91.5M | Buy |
822,588
+252,481
| +44% | +$26.5M | 0.02% | 750 |
|
|
2024
Q2 | $63.5M | Sell |
570,107
-216,993
| -28% | -$22.1M | 0.01% | 967 |
|
|
2024
Q1 | $75.3M | Buy |
787,100
+17,040
| +2% | +$1.51M | 0.01% | 910 |
|
|
2023
Q4 | $71.6M | Buy |
770,060
+311,388
| +68% | +$25.6M | 0.01% | 900 |
|
|
2023
Q3 | $37.4M | Buy |
458,672
+457,865
| +56,737% | +$33.9M | 0.01% | 1310 |
|
|
2023
Q2 | $52.9K | Sell |
807
-205,391
| -100% | -$12.4M | ﹤0.01% | 11732 |
|
|
2023
Q1 | $14.6M | Sell |
206,198
-140,564
| -41% | -$9.49M | ﹤0.01% | 2305 |
|
|
2022
Q4 | $21.8M | Buy |
346,762
+213,154
| +160% | +$13.3M | 0.01% | 1879 |
|
|
2022
Q3 | $6.92M | Sell |
133,608
-259,906
| -66% | -$14.2M | ﹤0.01% | 3339 |
|
|
2022
Q2 | $18.1M | Buy |
393,514
+56,777
| +17% | +$2.93M | ﹤0.01% | 1943 |
|
|
2022
Q1 | $20.2M | Buy |
336,737
+42,973
| +15% | +$2.69M | ﹤0.01% | 1978 |
|
|
2021
Q4 | $23M | Sell |
293,764
-13,096
| -4% | -$945K | ﹤0.01% | 1868 |
|
|
2021
Q3 | $19.9M | Buy |
306,860
+163,201
| +114% | +$10M | ﹤0.01% | 1994 |
|
|
2021
Q2 | $9.21M | Buy |
143,659
+89,608
| +166% | +$5.2M | ﹤0.01% | 3207 |
|
|
2021
Q1 | $3.14M | Buy |
54,051
+23,063
| +74% | +$1.43M | ﹤0.01% | 5337 |
|
|
2020
Q4 | $1.71M | Sell |
30,988
-264,367
| -90% | -$11.3M | ﹤0.01% | 5696 |
|
|
2020
Q3 | $10M | Buy |
295,355
+49,143
| +20% | +$1.79M | ﹤0.01% | 2291 |
|
|
2020
Q2 | $8.46M | Sell |
246,212
-33,279
| -12% | -$972K | ﹤0.01% | 2422 |
|
|
2020
Q1 | $5.29M | Buy |
279,491
+78,837
| +39% | +$2M | ﹤0.01% | 2633 |
|
|
2019
Q4 | $5.34M | Sell |
200,654
-167,578
| -46% | -$4M | ﹤0.01% | 2995 |
|
|
2019
Q3 | $7.92M | Sell |
368,232
-1,984,583
| -84% | -$38.8M | ﹤0.01% | 2511 |
|
|
2019
Q2 | $35.6M | Buy |
2,352,815
+2,103,491
| +844% | +$31.7M | 0.02% | 944 |
|
|
2019
Q1 | $4.17M | Sell |
249,324
-130,988
| -34% | -$2.28M | ﹤0.01% | 3255 |
|
|
2018
Q4 | $5.52M | Buy |
380,312
+279,905
| +279% | +$4.51M | ﹤0.01% | 2647 |
|
|
2018
Q3 | $2.07M | Buy |
100,407
+73,316
| +271% | +$1.64M | ﹤0.01% | 4355 |
|
|
2018
Q2 | $624K | Sell |
27,091
-43,923
| -62% | -$933K | ﹤0.01% | 6011 |
|
|
2018
Q1 | $1.18M | Sell |
71,014
-337,350
| -83% | -$8.7M | ﹤0.01% | 4552 |
|
|
2017
Q4 | $13.3M | Buy |
408,364
+201,748
| +98% | +$7.3M | 0.01% | 1453 |
|
|
2017
Q3 | $9.22M | Buy |
+206,616
| New | +$10.1M | 0.01% | 1678 |
|
|
2017
Q1 | – | Sell |
-21,112
| Closed | -$987K | – | 7824 |
|
|
2016
Q4 | $977K | Buy |
+21,112
| New | +$922K | ﹤0.01% | 3883 |
|
|
2016
Q3 | – | Sell |
-106,373
| Closed | -$4.17M | – | 7566 |
|
|
2016
Q2 | $3.51M | Buy |
+106,373
| New | +$4.03M | ﹤0.01% | 2150 |
|
|
2016
Q1 | – | Sell |
-1,371
| Closed | -$53.7K | – | 7545 |
|
|
2015
Q4 | $56K | Buy |
+1,371
| New | +$47.7K | ﹤0.01% | 7221 |
|
|
2015
Q3 | – | Sell |
-4,529
| Closed | -$173K | – | 9111 |
|
|
2015
Q2 | $173K | Sell |
4,529
-13,648
| -75% | -$504K | ﹤0.01% | 6499 |
|
|
2015
Q1 | $677K | Buy |
+18,177
| New | +$608K | ﹤0.01% | 4474 |
|
|
2013
Q4 | – | Sell |
-11,430
| Closed | -$195K | – | 7106 |
|
|
2013
Q3 | $195K | Buy |
+11,430
| New | +$182K | ﹤0.01% | 4782 |
|
Other funds holding MTSI
VPM
VCM
Citadel Advisors's MTSI Position: Q1 2026 in Review
Citadel Advisors increased its MACOM Technology Solutions (MTSI) stake by 344% in Q1 2026, buying an estimated $102M and bringing the position to 590,570 shares worth $131M. The position accounts for 0.02% of the portfolio, ranked #649.
Citadel Advisors first reported a position in MTSI in Q3 2013 and has held it in 41 quarters since. The position peaked at $199M in Q2 2025. 512 funds tracked by Wall St. Rank hold MTSI as of Q1 2026.
- Citadel Advisors held 590,570 shares of MACOM Technology Solutions worth $131M as of Q1 2026.
- Citadel Advisors bought 457,447 MACOM Technology Solutions shares in Q1 2026, an estimated $102M.
- MACOM Technology Solutions made up 0.02% of Citadel Advisors's portfolio in Q1 2026, its #649 holding.
- Citadel Advisors first reported a position in MACOM Technology Solutions in Q3 2013 and has held it in 41 quarters since.
- Citadel Advisors's MACOM Technology Solutions position peaked at $199M in Q2 2025.
- 512 funds tracked by Wall St. Rank held MACOM Technology Solutions as of Q1 2026.
Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.