CM
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Castleark Management’s Lumentum LITE Stock Holding History

Castleark Management’s Portfolio LITE Stock Details LITE Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		– Sell
-770
Closed -$541K – 333
2026
Q1 		$541K Sell
770
-30,383
-98% -$16.7M 0.02% 254
2025
Q4 		$11.5M Sell
31,153
-34,670
-53% -$8.9M 0.34% 56
2025
Q3 		$10.7M Buy
65,823
+2,453
+4% +$306K 0.3% 59
2025
Q2 		$6.02M Sell
63,370
-32,740
-34% -$2.32M 0.18% 108
2025
Q1 		$5.99M Buy
96,110
+2,170
+2% +$167K 0.21% 98
2024
Q4 		$7.89M Sell
93,940
-3,960
-4% -$309K 0.28% 71
2024
Q3 		$6.2M Buy
+97,900
New +$5.3M 0.25% 92
2022
Q4 		– Sell
-62,900
Closed -$4.31M – 305
2022
Q3 		$4.31M Sell
62,900
-1,400
-2% -$116K 0.24% 107
2022
Q2 		$5.11M Sell
64,300
-2,950
-4% -$252K 0.27% 95
2022
Q1 		$6.56M Buy
67,250
+30,400
+82% +$2.97M 0.28% 85
2021
Q4 		$3.9M Buy
+36,850
New +$3.36M 0.14% 148
2017
Q4 		– Sell
-153,450
Closed -$8.34M – 424
2017
Q3 		$8.34M Sell
153,450
-33,200
-18% -$1.93M 0.26% 139
2017
Q2 		$10.6M Buy
+186,650
New +$10M 0.35% 96
2017
Q1 		– Sell
-186,113
Closed -$7.19M – 395
2016
Q4 		$7.19M Sell
186,113
-107,452
-37% -$4.28M 0.23% 153
2016
Q3 		$12.3M Buy
293,565
+112,640
+62% +$3.71M 0.37% 73
2016
Q2 		$4.38M Buy
180,925
+37,535
+26% +$930K 0.14% 182
2016
Q1 		$3.87M Buy
+143,390
New +$3.31M 0.12% 203

Other funds holding LITE

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
JT
Jupiter Topco New York $245B AUM
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $225B AUM 49.49% 1-Year Est. Return

Castleark Management's LITE Position: Q2 2026 in Review

Castleark Management sold out of Lumentum (LITE) in Q2 2026, closing a stake of 770 shares — an estimated $541K sold.

Castleark Management first reported a position in LITE in Q1 2016 and held it in 17 quarters. The position peaked at $12.3M in Q3 2016. 1,311 funds tracked by Wall St. Rank hold LITE as of Q2 2026.

  • Castleark Management reported no remaining Lumentum position as of Q2 2026 after selling out during the quarter.
  • Castleark Management sold 770 Lumentum shares in Q2 2026, an estimated $541K.
  • Castleark Management first reported a position in Lumentum in Q1 2016 and held it in 17 quarters.
  • Castleark Management's Lumentum position peaked at $12.3M in Q3 2016.
  • 1,311 funds tracked by Wall St. Rank held Lumentum as of Q2 2026.

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