Jane Street
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Jane Street’s MACOM Technology Solutions MTSI Stock Holding History

Jane Street’s Portfolio MTSI Stock Details MTSI Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q3 		$31.7M Sell
111,300
-105,200
-49% -$29.5M ﹤0.01% 1694
2026
Q2 		$82.4M Buy
216,500
+168,600
+352% +$55.9M 0.01% 1068
2026
Q1 		$10.6M Buy
47,900
+42,500
+787% +$9.49M ﹤0.01% 2459
2025
Q4 		$925K Sell
5,400
-2,900
-35% -$460K ﹤0.01% 6283
2025
Q3 		$1.03M Sell
8,300
-2,000
-19% -$264K ﹤0.01% 6251
2025
Q2 		$1.48M Sell
10,300
-10,000
-49% -$1.17M ﹤0.01% 4926
2025
Q1 		$2.04M Sell
20,300
-11,300
-36% -$1.38M ﹤0.01% 4323
2024
Q4 		$4.11M Buy
31,600
+23,300
+281% +$2.93M ﹤0.01% 2940
2024
Q3 		$923K Sell
8,300
-10,300
-55% -$1.08M ﹤0.01% 6047
2024
Q2 		$2.07M Buy
18,600
+13,900
+296% +$1.42M ﹤0.01% 4408
2024
Q1 		$450K Sell
4,700
-13,000
-73% -$1.15M ﹤0.01% 6857
2023
Q4 		$1.65M Buy
17,700
+4,200
+31% +$345K ﹤0.01% 4673
2023
Q3 		$1.1M Sell
13,500
-23,800
-64% -$1.76M ﹤0.01% 5037
2023
Q2 		$2.44M Buy
37,300
+31,800
+578% +$1.93M ﹤0.01% 3857
2023
Q1 		$390K Sell
5,500
-300
-5% -$20.3K ﹤0.01% 6757
2022
Q4 		$365K Sell
5,800
-87,300
-94% -$5.45M ﹤0.01% 6669
2022
Q3 		$4.82M Sell
93,100
-16,900
-15% -$925K ﹤0.01% 2686
2022
Q2 		$5.07M Sell
110,000
-3,700
-3% -$191K ﹤0.01% 2641
2022
Q1 		$6.81M Buy
113,700
+74,200
+188% +$4.64M ﹤0.01% 2545
2021
Q4 		$3.09M Buy
39,500
+30,300
+329% +$2.19M ﹤0.01% 3631
2021
Q3 		$597K Sell
9,200
-11,600
-56% -$713K ﹤0.01% 6945
2021
Q2 		$1.33M Sell
20,800
-37,700
-64% -$2.19M ﹤0.01% 5193
2021
Q1 		$3.39M Buy
58,500
+6,200
+12% +$384K ﹤0.01% 3022
2020
Q4 		$2.88M Buy
52,300
+28,200
+117% +$1.2M ﹤0.01% 2875
2020
Q3 		$820K Sell
24,100
-432,300
-95% -$15.7M ﹤0.01% 4415
2020
Q2 		$15.7M Buy
+456,400
New +$13.3M 0.01% 881

Other funds holding MTSI

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.32T AUM 44.66% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.44T AUM 36.12% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.84T AUM 33.86% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.27T AUM 50.62% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $608B AUM 32.77% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
Massachusetts Financial Services
Massachusetts Financial Services Boston, Massachusetts $296B AUM 23.14% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $704B AUM 26.74% 1-Year Est. Return
Franklin Resources
Franklin Resources San Mateo, California $474B AUM 32.39% 1-Year Est. Return
FengHe Fund Management
FengHe Fund Management Singapore $2.06B AUM 157.75% 1-Year Est. Return

Jane Street's MTSI Position: Q3 2026 in Review

Jane Street reduced its MACOM Technology Solutions (MTSI) stake by 65% in Q3 2026, selling an estimated $97.9M and leaving 185,175 shares worth $52.7M. The position accounts for ﹤0.01% of the portfolio, ranked #1269.

Jane Street first reported a position in MTSI in Q1 2014 and has held it in 31 quarters since. The position peaked at $203M in Q2 2026. 415 funds tracked by Wall St. Rank hold MTSI as of Q3 2026.

  • Jane Street held 185,175 shares of MACOM Technology Solutions worth $52.7M as of Q3 2026.
  • Jane Street sold 349,389 MACOM Technology Solutions shares in Q3 2026, an estimated $97.9M.
  • MACOM Technology Solutions made up ﹤0.01% of Jane Street's portfolio in Q3 2026, its #1269 holding.
  • Jane Street first reported a position in MACOM Technology Solutions in Q1 2014 and has held it in 31 quarters since.
  • Jane Street's MACOM Technology Solutions position peaked at $203M in Q2 2026.
  • 415 funds tracked by Wall St. Rank held MACOM Technology Solutions as of Q3 2026.

Based on Jane Street's 13F filing for Q3 2026, filed 12 Nov 2026.