13F Filings History of PRIMECAP MANAGEMENT CO/CA/

Latest 13F report
Q4 2025 - 11 Feb 2026
Value $
$132,110,156,202
Signature - Title
Jennifer Ottosen - Chief Compliance Officer
Location
Pasadena, CA
Summary
This page shows a list of all the recent 13F filings made by PRIMECAP MANAGEMENT CO/CA/. Form 13F is required to be filed within 45 days of the end of a calendar quarter. PRIMECAP MANAGEMENT CO/CA/ reported 319 stock holdings with total value $132,110,156,202 as of Q4 2025. Top holdings included LLY, MU, GOOGL, MSFT, and KLAC.

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Holdings Value
Quarter Holdings Value $ Bought Sold Net Top Holdings Form Type Filing Time
Q4 2025 319 $132,110,156,202 +$3,639,826,866 -$14,409,574,624 -$10,769,747,758 LLY, MU, GOOGL, MSFT, KLAC 13F-HR 11 Feb 2026, 17:07
Q3 2025 327 $130,569,348,437 +$3,344,893,659 -$12,737,650,011 -$9,392,756,352 LLY, MU, MSFT, GOOGL, KLAC 13F-HR 10 Nov 2025, 21:48
Q2 2025 333 $126,189,120,741 +$5,472,987,878 -$10,462,967,290 -$4,989,979,412 LLY, MSFT, KLAC, MU, BSX 13F-HR 11 Aug 2025, 16:01
Q1 2025 335 $120,960,512,182 +$2,025,155,088 -$6,366,282,101 -$4,341,127,013 LLY, AMGN, BSX, MSFT, KLAC 13F-HR 09 May 2025, 16:01
Q4 2024 329 $129,119,418,859 +$3,489,951,925 -$6,520,307,758 -$3,030,355,833 LLY, MSFT, FDX, AMGN, BSX 13F-HR 10 Feb 2025, 16:01
Q3 2024 336 $136,008,850,458 +$1,106,257,876 -$4,104,277,492 -$2,998,019,616 LLY, AMGN, MSFT, KLAC, MU 13F-HR 08 Nov 2024, 16:26
Q2 2024 332 $138,125,236,526 +$5,669,076,151 -$4,894,645,250 +$774,430,901 LLY, MU, KLAC, AMGN, MSFT 13F-HR 09 Aug 2024, 17:07
Q1 2024 335 $134,077,213,045 +$2,474,040,851 -$5,313,696,389 -$2,839,655,538 LLY, MU, MSFT, AMGN, KLAC 13F-HR 13 May 2024, 17:49
Q4 2023 334 $126,313,639,154 +$1,187,684,491 -$4,368,491,978 -$3,180,807,487 LLY, BIIB, AMGN, MSFT, INTC 13F-HR 09 Feb 2024, 16:00
Q3 2023 331 $118,467,586,724 +$582,673,584 -$1,525,295,605 -$942,622,021 LLY, BIIB, AMGN, FDX, MSFT 13F-HR 13 Nov 2023, 16:01
Q2 2023 328 $119,679,111,009 +$760,119,318 -$5,345,832,237 -$4,585,712,919 LLY, BIIB, MSFT, AMGN, FDX 13F-HR 11 Aug 2023, 16:53
Q1 2023 331 $114,683,087,222 +$2,435,165,377 -$3,939,177,553 -$1,504,012,176 LLY, BIIB, AMGN, MSFT, AZN 13F-HR 15 May 2023, 08:05
Q4 2022 334 $109,229,662,042 +$1,083,665,535 -$4,805,836,067 -$3,722,170,532 LLY, BIIB, AMGN, MSFT, AZN 13F-HR 13 Feb 2023, 12:33
Q3 2022 335 $103,343,048,000 +$6,682,094,342 -$3,026,070,170 +$3,656,024,172 LLY, BIIB, AMGN, MSFT, TSLA 13F-HR 14 Nov 2022, 16:21
Q2 2022 341 $111,873,275,000 +$1,640,707,013 -$2,573,299,331 -$932,592,318 LLY, MSFT, AMGN, BIIB, FDX 13F-HR 11 Aug 2022, 16:58
Q1 2022 339 $132,577,893,000 +$1,336,234,936 -$5,137,090,351 -$3,800,855,415 LLY, MSFT, AMGN, TSLA, BIIB 13F-HR 11 May 2022, 11:45
Q4 2021 342 $144,469,986,000 +$1,443,470,763 -$7,485,957,514 -$6,042,486,751 LLY, MSFT, MU, BIIB, TSLA 13F-HR 11 Feb 2022, 16:20
Q3 2021 337 $141,673,276,000 +$2,505,658,178 -$3,376,307,106 -$870,648,928 LLY, MSFT, BIIB, ADBE, TXN 13F-HR 12 Nov 2021, 11:05
Q2 2021 333 $148,841,820,000 +$1,085,324,214 -$5,409,164,285 -$4,323,840,071 LLY, BIIB, MSFT, ADBE, FDX 13F-HR 10 Aug 2021, 17:25
Q1 2021 327 $143,407,322,000 +$3,643,094,571 -$8,091,346,450 -$4,448,251,879 LLY, BIIB, MSFT, AMGN, MU 13F-HR 13 May 2021, 17:33
Q4 2020 319 $134,538,322,000 +$3,311,631,296 -$9,032,900,280 -$5,721,268,984 LLY, MSFT, ADBE, AMGN, BIIB 13F-HR 08 Feb 2021, 12:24
Q3 2020 311 $121,207,444,000 +$3,640,281,966 -$6,381,617,109 -$2,741,335,143 LLY, ADBE, MSFT, BIIB, AMGN 13F-HR 13 Nov 2020, 12:00
Q2 2020 306 $116,542,330,000 +$1,770,195,870 -$7,273,632,752 -$5,503,436,882 LLY, MSFT, ADBE, AMGN, BIIB 13F-HR 13 Aug 2020, 12:00
Q1 2020 293 $101,952,412,000 +$3,512,636,482 -$9,189,319,257 -$5,676,682,775 LLY, BIIB, MSFT, ADBE, AMGN 13F-HR 14 May 2020, 06:03
Q4 2019 292 $137,882,144,000 +$1,526,264,816 -$3,445,439,657 -$1,919,174,841 LLY, ADBE, MSFT, BIIB, AMGN 13F-HR 14 Feb 2020, 06:32
Q3 2019 290 $125,034,753,000 +$1,072,412,366 -$10,671,591,257 -$9,599,178,891 LLY, MSFT, ADBE, TXN, LUV 13F-HR 13 Nov 2019, 06:13
Q2 2019 297 $135,236,271,000 +$2,510,148,631 -$5,292,597,941 -$2,782,449,310 ADBE, LLY, MSFT, TXN, LUV 13F-HR 14 Aug 2019, 06:58
Q1 2019 292 $135,880,624,000 +$2,300,586,549 -$3,782,819,981 -$1,482,233,432 LLY, ADBE, MSFT, LUV, AMGN 13F-HR 14 May 2019, 11:42
Q4 2018 291 $123,419,475,000 +$3,795,851,582 -$4,094,308,893 -$298,457,311 LLY, ADBE, BIIB, MSFT, AMGN 13F-HR 12 Feb 2019, 13:03
Q3 2018 294 $148,140,343,000 +$3,832,451,419 -$3,429,936,435 +$402,514,984 LLY, ADBE, BIIB, LUV, MSFT 13F-HR 13 Nov 2018, 11:14
Q2 2018 292 $134,877,069,000 +$3,313,928,389 -$3,549,404,066 -$235,475,677 ADBE, LLY, BIIB, MSFT, AMGN 13F-HR 13 Aug 2018, 10:58
Q1 2018 286 $133,274,142,000 +$4,632,545,995 -$4,248,515,580 +$384,030,415 ADBE, LLY, BIIB, LUV, MSFT 13F-HR 14 May 2018, 10:00
Q4 2017 286 $130,306,653,000 +$2,625,967,048 -$2,284,451,987 +$341,515,061 BIIB, LLY, LUV, TXN, ADBE 13F-HR 13 Feb 2018, 10:55
Q3 2017 279 $120,820,253,000 +$2,487,796,321 -$3,917,899,757 -$1,430,103,436 BIIB, LLY, AMGN, LUV, TXN 13F-HR 13 Nov 2017, 12:21
Q2 2017 286 $116,406,127,000 +$5,083,009,611 -$4,759,632,415 +$323,377,196 LLY, LUV, BIIB, AMGN, ADBE 13F-HR 11 Aug 2017, 16:01
Q1 2017 282 $110,174,094,000 +$2,788,270,852 -$2,063,032,092 +$725,238,760 LLY, BIIB, AMGN, LUV, TXN 13F-HR 12 May 2017, 09:00
Q4 2016 276 $101,624,714,000 +$2,156,566,046 -$3,311,604,130 -$1,155,038,084 BIIB, LLY, AMGN, LUV, TXN 13F-HR 13 Feb 2017, 11:54
Q3 2016 273 $100,196,956,000 +$1,672,766,139 -$5,610,576,754 -$3,937,810,615 BIIB, LLY, AMGN, TXN, MSFT 13F-HR 14 Nov 2016, 09:07
Q2 2016 272 $93,916,552,000 +$1,548,565,248 -$3,329,293,127 -$1,780,727,879 LLY, AMGN, BIIB, TXN, ADBE 13F-HR 12 Aug 2016, 11:00
Q1 2016 270 $96,414,713,000 +$3,710,193,603 -$2,417,746,552 +$1,292,447,051 AMGN, BIIB, LLY, LUV, MSFT 13F-HR 12 May 2016, 17:24
Q4 2015 271 $97,810,310,000 +$3,047,373,858 -$3,206,510,110 -$159,136,252 LLY, BIIB, AMGN, MSFT, LUV 13F-HR 12 Feb 2016, 12:38
Q3 2015 275 $90,088,433,000 +$5,518,955,485 -$8,863,954,871 -$3,344,999,386 LLY, BIIB, AMGN, ADBE, LUV 13F-HR 12 Nov 2015, 11:40
Q2 2015 261 $101,668,931,000 +$3,519,492,125 -$2,422,541,728 +$1,096,950,397 BIIB, LLY, AMGN, ADBE, TXN 13F-HR 13 Aug 2015, 14:14
Q1 2015 258 $102,399,673,000 +$5,269,364,096 -$3,387,223,775 +$1,882,140,321 BIIB, AMGN, LLY, LUV, TXN 13F-HR 14 May 2015, 15:50
Q4 2014 260 $98,681,544,000 +$3,029,481,540 -$3,430,614,691 -$401,133,151 BIIB, AMGN, LLY, LUV, TXN 13F-HR 12 Feb 2015, 16:36
Q3 2014 259 $93,461,394,000 +$2,263,696,254 -$1,447,948,764 +$815,747,490 BIIB, AMGN, LLY, ROCHE HOLDING AG-CHF, MSFT 13F-HR 13 Nov 2014, 14:51
Q2 2014 255 $91,333,194,000 +$3,484,168,233 -$2,206,763,574 +$1,277,404,659 BIIB, AMGN, LLY, ROCHE HOLDING AG-CHF, ADBE 13F-HR 14 Aug 2014, 12:05
Q1 2014 252 $88,354,137,000 +$10,372,303,014 -$9,100,702,748 +$1,271,600,266 BIIB, AMGN, LLY, ROCHE HOLDING AG-CHF, GOOG 13F-HR 14 May 2014, 11:16
Q4 2013 257 $83,204,619,000 $0 $0 $0 BIIB, AMGN, GOOGL, ROCHE HOLDING AG-CHF, FDX 13F-HR 13 Feb 2014, 11:22