MF
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Magnetar Financial’s Lam Research LRCX Stock Holding History

Magnetar Financial’s Portfolio LRCX Stock Details LRCX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$747K Buy
3,735
+160
+4% +$35.8K 0.01% 535
2025
Q4 		$612K Sell
3,575
-2,420
-40% -$376K 0.01% 523
2025
Q3 		$803K Buy
+5,995
New +$635K ﹤0.01% 498
2023
Q2 		– Sell
-11,990
Closed -$636K – 564
2023
Q1 		$636K Sell
11,990
-1,550
-11% -$76.1K 0.01% 436
2022
Q4 		$569K Buy
+13,540
New +$566K 0.01% 588
2020
Q1 		– Sell
-16,280
Closed -$476K – 565
2019
Q4 		$476K Sell
16,280
-27,020
-62% -$718K 0.01% 323
2019
Q3 		$1M Sell
43,300
-11,100
-20% -$233K 0.03% 215
2019
Q2 		$1.02M Sell
54,400
-15,080
-22% -$286K 0.02% 170
2019
Q1 		$1.24M Buy
+69,480
New +$1.16M 0.03% 128
2017
Q3 		– Sell
-254,390
Closed -$3.6M – 823
2017
Q2 		$3.6M Buy
+254,390
New +$3.73M 0.06% 144
2016
Q4 		– Sell
-38,890
Closed -$368K – 227
2016
Q3 		$368K Buy
38,890
+11,920
+44% +$108K 0.01% 424
2016
Q2 		$227K Buy
+26,970
New +$217K ﹤0.01% 323
2015
Q4 		– Sell
-106,530
Closed -$696K – 432
2015
Q3 		$696K Buy
+106,530
New +$781K 0.01% 166

Other funds holding LRCX

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
Ameriprise
Ameriprise Minneapolis, Minnesota $432B AUM 30.22% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Magnetar Financial's LRCX Position: Q1 2026 in Review

Magnetar Financial increased its Lam Research (LRCX) stake by 4.5% in Q1 2026, buying an estimated $35.8K and bringing the position to 3,735 shares worth $747K. The position accounts for 0.01% of the portfolio, ranked #535.

Magnetar Financial first reported a position in LRCX in Q3 2015 and has held it in 13 quarters since. The position peaked at $3.6M in Q2 2017. 2,630 funds tracked by Wall St. Rank hold LRCX as of Q1 2026.

  • Magnetar Financial held 3,735 shares of Lam Research worth $747K as of Q1 2026.
  • Magnetar Financial bought 160 Lam Research shares in Q1 2026, an estimated $35.8K.
  • Lam Research made up 0.01% of Magnetar Financial's portfolio in Q1 2026, its #535 holding.
  • Magnetar Financial first reported a position in Lam Research in Q3 2015 and has held it in 13 quarters since.
  • Magnetar Financial's Lam Research position peaked at $3.6M in Q2 2017.
  • 2,630 funds tracked by Wall St. Rank held Lam Research as of Q1 2026.

Based on Magnetar Financial's 13F filing for Q1 2026, filed 13 May 2026.