Castleark Management’s Semtech SMTC Stock Holding History

Castleark Management’s Portfolio SMTC Stock Details SMTC Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$14.8M	Sell	91,218 -16,540	-15%	-$2.16M	0.4%	46
2026 Q1	$8.29M	Buy	107,758 +4,800	+5%	+$395K	0.27%	82
2025 Q4	$7.59M	Buy	102,958 +47,318	+85%	+$3.36M	0.22%	106
2025 Q3	$3.98M	Buy	+55,640	New	+$3.02M	0.11%	162
2025 Q1	–	Sell	-122,150	Closed	-$7.55M	–	338
2024 Q4	$7.55M	Buy	+122,150	New	+$6.45M	0.26%	76
2024 Q2	–	Sell	-134,730	Closed	-$3.7M	–	304
2024 Q1	$3.7M	Sell	134,730 -57,950	-30%	-$1.24M	0.15%	147
2023 Q4	$4.22M	Buy	+192,680	New	+$3.57M	0.19%	132
2022 Q3	–	Sell	-49,748	Closed	-$2.73M	–	330
2022 Q2	$2.73M	Sell	49,748 -2,198	-4%	-$133K	0.15%	139
2022 Q1	$3.6M	Sell	51,946 -41,320	-44%	-$2.97M	0.16%	142
2021 Q4	$8.29M	Buy	+93,266	New	+$7.94M	0.3%	82
2020 Q3	–	Sell	-152,975	Closed	-$7.99M	–	372
2020 Q2	$7.99M	Buy	+152,975	New	+$7.16M	0.35%	78
2018 Q4	–	Sell	-270,050	Closed	-$15M	–	400
2018 Q3	$15M	Sell	270,050 -11,140	-4%	-$582K	0.43%	79
2018 Q2	$13.2M	Buy	+281,190	New	+$12.6M	0.41%	77

Other funds holding SMTC

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Ameriprise Minneapolis, Minnesota $495B AUM 43.24% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return

Capital Research Global Investors Los Angeles, California $717B AUM 35.42% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

HRCM

Hood River Capital Management Palm Beach Gardens, Florida $13.8B AUM 163.97% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Castleark Management's SMTC Position: Q2 2026 in Review

Castleark Management reduced its Semtech (SMTC) stake by 15% in Q2 2026, selling an estimated $2.16M and leaving 91,218 shares worth $14.8M. The position accounts for 0.4% of the portfolio, ranked #46.

Castleark Management first reported a position in SMTC in Q2 2018 and has held it in 13 quarters since. The position peaked at $15M in Q3 2018. 577 funds tracked by Wall St. Rank hold SMTC as of Q2 2026.

Castleark Management held 91,218 shares of Semtech worth $14.8M as of Q2 2026.
Castleark Management sold 16,540 Semtech shares in Q2 2026, an estimated $2.16M.
Semtech made up 0.4% of Castleark Management's portfolio in Q2 2026, its #46 holding.
Castleark Management first reported a position in Semtech in Q2 2018 and has held it in 13 quarters since.
Castleark Management's Semtech position peaked at $15M in Q3 2018.
577 funds tracked by Wall St. Rank held Semtech as of Q2 2026.

Based on Castleark Management's 13F filing for Q2 2026, filed 14 Aug 2026.