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Portfolio (Quarterly) Guide ↗

PRIMECAP MANAGEMENT CO/CA/

· CIK 0000763212
13F Portfolio $127.0B AUM 320 positions Filed May 11, 2026 EDGAR ↗ ← All Funds
Q1 2026 Q4 2025 · All 9 New 66 Added 125 Reduced 8 Exited
Page 1 of 16  ·  320 positions
# Ticker Company Sector Shares Value ↓ % Port Chg Shares Chg % Period Price ① Since Period ①
1 LLY ELI LILLY & CO Healthcare 9,223,432.0 $8.48B 6.68% $919.77 +26.1%
2 MU MICRON TECHNOLOGY INC Technology 21,874,204.0 $7.39B 5.82% -2.9M -11.8% $337.84 +184.1%
3 GOOGL ALPHABET INC Communication Services 14,987,459.0 $4.31B 3.39% -141K -0.9% $287.56 +26.2%
4 AZN ASTRAZENECA PLC Healthcare 18,213,708.0 $3.59B 2.83% NEW $197.22 -6.6%
5 KLAC KLA CORP Technology 2,437,647.0 $3.59B 2.83% -438K -15.2% $1472.41 +44.3%
6 INTC INTEL CORP Technology 75,761,968.0 $3.34B 2.63% $44.13 +153.0%
7 AMGN AMGEN INC Healthcare 8,874,129.0 $3.12B 2.46% $351.85 -1.7%
8 NVDA NVIDIA CORPORATION Technology 17,188,230.0 $3.00B 2.36% $174.40 +19.7%
9 FDX FEDEX CORP Industrials 8,303,010.0 $2.96B 2.33% -210K -2.5% $356.18 -7.4%
10 BIIB BIOGEN INC Healthcare 14,757,607.0 $2.71B 2.13% $183.33 +6.3%
11 MSFT MICROSOFT CORP Technology 7,264,560.0 $2.69B 2.12% $370.17 +11.1%
12 AMZN AMAZON COM INC Consumer Cyclical 12,107,038.0 $2.52B 1.99% -149K -1.2% $208.27 +18.4%
13 BABA ALIBABA GROUP HLDG LTD Consumer Cyclical 18,722,316.0 $2.35B 1.85% -255K -1.3% $125.46 -3.4%
14 TSLA TESLA INC Consumer Cyclical 6,125,520.0 $2.28B 1.79% -192K -3.0% $371.75 +8.0%
15 SCHW SCHWAB CHARLES CORP Financial Services 23,441,915.0 $2.20B 1.74% +166K +0.7% $93.98 -5.8%
16 BSX BOSTON SCIENTIFIC CORP Healthcare 32,529,774.0 $2.04B 1.61% +1.4M +4.6% $62.75 -22.5%
17 ROST ROSS STORES INC Consumer Cyclical 9,170,030.0 $1.99B 1.56% $216.63 +6.0%
18 TXN TEXAS INSTRS INC Technology 9,654,766.0 $1.87B 1.48% -430K -4.3% $194.14 +51.6%
19 LUV SOUTHWEST AIRLS CO Industrials 47,069,495.0 $1.77B 1.39% -323K -0.7% $37.57 +9.4%
20 FLEX FLEXTRONICS INTL LTD Technology 25,383,448.0 $1.66B 1.31% -1.3M -4.9% $65.46 +131.9%
Page 1 of 16  ·  320 positions

Period Price is the implied market price on the last day of the reporting period, calculated as reported value ÷ shares held. It is not the fund's purchase price or cost basis — the fund may have initiated or added to the position at any point during the quarter at a different price. Since Period shows the price change from that quarter-end snapshot to today's last price — it reflects stock movement after the report date, not the fund's actual return.

Sector Allocation
Technology 31.7%
Healthcare 24.9%
Industrials 12.1%
Consumer Cyclical 10.8%
Financial Services 8.6%
Communication Services 7.3%
Energy 2.0%
Consumer Defensive 1.4%
Basic Materials 1.1%
Real Estate 0.1%