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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 12 of 16  ·  320 positions
# Ticker Company Sector Shares Value ↓ % Port Chg Shares Chg % Period Price ① Since Period ①
221 TTD THE TRADE DESK INC Technology 1,232,605.0 $28.0M 0.02% +324K +35.7% $22.69 -14.4%
222 GFL GFL ENVIRONMENTAL INC Industrials 667,800.0 $27.9M 0.02% $41.72 -16.3%
223 RGEN REPLIGEN CORP Healthcare 235,068.0 $27.7M 0.02% +48K +25.9% $117.82 +6.4%
224 TSN TYSON FOODS INC Consumer Defensive 415,000.0 $26.6M 0.02% $64.07 -11.1%
225 NWL NEWELL BRANDS INC Consumer Defensive 7,525,390.0 $25.8M 0.02% -1.2M -13.6% $3.43 +22.7%
226 SEPN SEPTERNA INC Healthcare 1,048,834.0 $25.2M 0.02% +503K +92.1% $24.03 +26.6%
227 PVLA PALVELLA THERAPEUTICS INC NE Healthcare 195,030.0 $24.3M 0.02% NEW $124.65 -15.6%
228 MBLY MOBILEYE GLOBAL INC Consumer Cyclical 3,197,180.0 $22.0M 0.02% +552K +20.9% $6.87 +41.0%
229 BIRKENSTOCK HOLDING PLC 597,200.0 $21.4M 0.02% +210K +54.4% $35.83
230 PODD INSULET CORP Healthcare 100,720.0 $21.1M 0.02% -3K -2.8% $209.84 -27.8%
231 ALLO ALLOGENE THERAPEUTICS INC Healthcare 8,379,840.0 $20.4M 0.02% +240K +3.0% $2.44 -24.2%
232 IMAX IMAX CORP Communication Services 535,402.0 $20.4M 0.02% -24K -4.3% $38.01 +2.9%
233 NKTR NEKTAR THERAPEUTICS Healthcare 279,150.0 $20.1M 0.02% $71.95 -21.3%
234 GTM ZOOMINFO TECHNOLOGIES INC Technology 3,224,964.0 $19.3M 0.01% -445K -12.1% $5.98 -52.3%
235 MO ALTRIA GROUP INC Consumer Defensive 291,500.0 $19.2M 0.01% -3K -1.1% $65.99 +8.0%
236 FCX FREEPORT MCMORAN INC Basic Materials 325,470.0 $19.1M 0.01% -28K -8.0% $58.78 +8.7%
237 SAIA SAIA INC Industrials 54,420.0 $19.1M 0.01% $351.28 +36.8%
238 IT GARTNER INC Technology 117,400.0 $18.6M 0.01% +6K +5.3% $158.34 +1.3%
239 TTWO TAKE-TWO INTERACTIVE SOFTWAR Communication Services 93,929.0 $18.6M 0.01% $197.50 +7.6%
240 WMT WALMART INC Consumer Defensive 147,450.0 $18.3M 0.01% -4K -2.6% $124.28 -4.3%
Page 12 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%