Primecap Management 13F Holdings & Latest Moves
Primecap Management reported a 13F portfolio worth $127.01B as of Q1 2026. Latest 13F moves (filed May 11, 2026): 19 added, 40 reduced. Largest change by value: reduced $MU ($25.25B held).
- 13F value (Q1 2026)
- $127.01B
- New positions
- 0
- Added / reduced
- 19 / 40
- Sold out
- 0
Top buys and sells in the latest 13F
Biggest new and added positions
| Filed | Ticker | Move | Change | Shares held | Value held | 1W | 1M | 6M | Story |
|---|---|---|---|---|---|---|---|---|---|
| $V | Added | +51.25K (+1.28%) | 4.06M | $1.39B | +2.9% | -0.1% | — | ||
| $BSX | Added | +1.43M (+4.61%) | 32.53M | $1.39B | +4.8% | -9.4% | — | ||
| $V | Added | +51.25K (+1.28%) | 4.06M | $1.30B | +2.9% | -0.1% | — | ||
| $ADBE | Added | +1.05M (+28.69%) | 4.73M | $955.54M | +3.9% | -5.2% | — | ||
| $MRVL | Added | +47.90K (+1.64%) | 2.97M | $826.22M | -1.1% | +47.9% | — |
Biggest reduced and exited positions
| Filed | Ticker | Move | Change | Shares held | Value held | 1W | 1M | 6M | Story |
|---|---|---|---|---|---|---|---|---|---|
| $MU | Reduced | -2.92M (-11.78%) | 21.87M | $25.25B | -14.3% | +12.1% | — | ||
| $KLAC | Reduced | -438.31K (-15.24%) | 2.44M | $5.88B | -4.7% | +15.9% | — | ||
| $FLEX | Reduced | -1.32M (-4.94%) | 25.38M | $4.16B | -10.6% | -3.8% | — | ||
| $AZN | Reduced | -18.70M (-50.66%) | 18.21M | $3.45B | +1.1% | -1.6% | — | ||
| $AZN | Reduced | -18.70M (-50.66%) | 18.21M | $3.32B | +1.1% | -1.6% | — |
Added positions in the latest 13F
| Filed | Ticker | Move | Change | Shares held | Value held | 1W | 1M | 6M | Story |
|---|---|---|---|---|---|---|---|---|---|
| $V | Added | +51.25K (+1.28%) | 4.06M | $1.39B | +2.9% | -0.1% | — | ||
| $BSX | Added | +1.43M (+4.61%) | 32.53M | $1.39B | +4.8% | -9.4% | — | ||
| $V | Added | +51.25K (+1.28%) | 4.06M | $1.30B | +2.9% | -0.1% | — | ||
| $ADBE | Added | +1.05M (+28.69%) | 4.73M | $955.54M | +3.9% | -5.2% | — | ||
| $MRVL | Added | +47.90K (+1.64%) | 2.97M | $826.22M | -1.1% | +47.9% | — | ||
| $IEX | Added | +76.15K (+2.36%) | 3.30M | $746.33M | -2.5% | +0.6% | — | ||
| $IEX | Added | +76.15K (+2.36%) | 3.30M | $716.41M | -2.5% | +0.6% | — | ||
| $XMTR | Added | +812.59K (+14.30%) | 6.50M | $612.20M | +9.0% | +2.0% | — | ||
| $AMD | Added | +173.82K (+19.85%) | 1.05M | $592.86M | -8.2% | -1.4% | — | ||
| $XMTR | Added | +812.59K (+14.30%) | 6.50M | $566.67M | +9.0% | +2.0% | — | ||
| $HPQ | Added | +3.81M (+21.60%) | 21.47M | $471.04M | — | ||||
| $ERIC | Added | +10.87M (+40.84%) | 37.50M | $455.30M | — | ||||
| $PYPL | Added | +1.86M (+22.75%) | 10.03M | $432.94M | -1.5% | -9.4% | — | ||
| $ERIC | Added | +10.87M (+40.84%) | 37.50M | $418.17M | — | ||||
| $MKTX | Added | +171.70K (+5.41%) | 3.35M | $389.37M | -2.8% | -19.6% | — | ||
| $MKTX | Added | +171.70K (+5.41%) | 3.35M | $376.69M | -2.8% | -19.6% | — | ||
| $ILMN | Added | +77.62K (+3.90%) | 2.07M | $374.39M | -0.7% | +14.0% | Read | ||
| $BAH | Added | +163.50K (+3.50%) | 4.83M | $373.87M | -0.1% | +3.9% | — | ||
| $SNPS | Added | +87.60K (+11.92%) | 822.40K | $373.65M | -3.4% | -10.8% | — |
Reduced positions in the latest 13F
| Filed | Ticker | Move | Change | Shares held | Value held | 1W | 1M | 6M | Story |
|---|---|---|---|---|---|---|---|---|---|
| $MU | Reduced | -2.92M (-11.78%) | 21.87M | $25.25B | -14.3% | +12.1% | — | ||
| $KLAC | Reduced | -438.31K (-15.24%) | 2.44M | $5.88B | -4.7% | +15.9% | — | ||
| $FLEX | Reduced | -1.32M (-4.94%) | 25.38M | $4.16B | -10.6% | -3.8% | — | ||
| $AZN | Reduced | -18.70M (-50.66%) | 18.21M | $3.45B | +1.1% | -1.6% | — | ||
| $AZN | Reduced | -18.70M (-50.66%) | 18.21M | $3.32B | +1.1% | -1.6% | — | ||
| $AMZN | Reduced | -149.15K (-1.22%) | 12.11M | $2.91B | -1.5% | -11.5% | — | ||
| $TXN | Reduced | -429.92K (-4.26%) | 9.65M | $2.76B | +1.0% | -5.3% | — | ||
| $FDX | Reduced | -209.66K (-2.46%) | 8.30M | $2.66B | -2.4% | +4.6% | — | ||
| $TSLA | Reduced | -191.90K (-3.04%) | 6.13M | $2.54B | -7.9% | -14.2% | — | ||
| $UAL | Reduced | -227.88K (-1.43%) | 15.75M | $2.13B | -4.2% | +6.4% | — | ||
| $BABA | Reduced | -255.12K (-1.34%) | 18.72M | $1.80B | -2.9% | -16.0% | — | ||
| $TJX | Reduced | -150.40K (-1.54%) | 9.59M | $1.45B | +1.2% | +13.0% | — | ||
| $JBL | Reduced | -62.50K (-1.87%) | 3.28M | $1.26B | -7.2% | -3.5% | — | ||
| $JPM | Reduced | -203.36K (-5.64%) | 3.40M | $1.11B | +0.2% | +3.0% | — | ||
| $TMO | Reduced | -74.76K (-3.63%) | 1.98M | $992.39M | -2.3% | +6.5% | — | ||
| $TMO | Reduced | -74.76K (-3.63%) | 1.98M | $941.39M | -2.3% | +6.5% | — | ||
| $ORCL | Reduced | -357.61K (-5.93%) | 5.67M | $833.61M | -3.7% | +3.8% | — | ||
| $AMAT | Reduced | -59.70K (-4.84%) | 1.17M | $821.18M | -6.8% | +12.2% | — | ||
| $BMRN | Reduced | -355.31K (-2.44%) | 14.19M | $812.18M | -5.5% | +6.8% | — | ||
| $NXT | Reduced | -190.75K (-2.74%) | 6.76M | $809.14M | +6.5% | -11.3% | — | ||
| $NXT | Reduced | -190.75K (-2.74%) | 6.76M | $805.49M | +6.5% | -11.3% | — | ||
| $BMRN | Reduced | -355.31K (-2.44%) | 14.19M | $788.34M | -5.5% | +6.8% | — | ||
| $HPE | Reduced | -1.98M (-10.32%) | 17.23M | $765.14M | +6.9% | +47.4% | — | ||
| $RCL | Reduced | -63.60K (-2.64%) | 2.35M | $746.34M | -4.1% | +2.5% | — | ||
| $KLAC | Reduced | -438.31K (-15.24%) | 2.44M | $735.46M | -4.7% | +15.9% | — | ||
| $ASML | Reduced | -3.70K (-1.04%) | 353.08K | $696.98M | -6.0% | +10.8% | — | ||
| $AMAT | Reduced | -59.70K (-4.84%) | 1.17M | $648.70M | -6.8% | +12.2% | — | ||
| $WFC | Reduced | -637.17K (-7.62%) | 7.72M | $644.96M | +1.1% | +11.4% | — | ||
| $CME | Reduced | -60.30K (-3.21%) | 1.82M | $476.83M | +8.0% | -6.2% | — | ||
| $DLTR | Reduced | -103.55K (-2.70%) | 3.73M | $457.23M | +1.3% | +22.6% | — | ||
| $META | Reduced | -14.55K (-1.84%) | 774.24K | $436.12M | +2.1% | -4.7% | — | ||
| $ALB | Reduced | -140.36K (-5%) | 2.66M | $431.82M | -16.3% | -29.9% | — | ||
| $DLTR | Reduced | -103.55K (-2.70%) | 3.73M | $428.41M | +1.3% | +22.6% | — | ||
| $CW | Reduced | -27.16K (-4.82%) | 536.84K | $412.22M | -2.5% | -1.3% | — | ||
| $CME | Reduced | -60.30K (-3.21%) | 1.82M | $401.63M | +8.0% | -6.2% | — | ||
| $CW | Reduced | -27.16K (-4.82%) | 536.84K | $395.86M | -2.5% | -1.3% | — | ||
| $CVX | Reduced | -33.77K (-1.45%) | 2.29M | $379.85M | +6.2% | +3.7% | — | ||
| $RYTM | Reduced | -61.16K (-1.76%) | 3.42M | $379.45M | -0.6% | -1.9% | Read | ||
| $ALB | Reduced | -140.36K (-5%) | 2.66M | $375.96M | -16.3% | -29.9% | — | ||
| $WDC | Reduced | -176.33K (-23.40%) | 577.21K | $370.03M | -11.1% | -5.0% | Read |
All tracked 13F moves by Primecap Management
| Filed | Ticker | Move | Change | Shares held | Value held | 1W | 1M | 6M | Story |
|---|---|---|---|---|---|---|---|---|---|
| $WFC | Reduced | -637.17K (-7.62%) | 7.72M | $644.96M | +1.1% | +11.4% | — | ||
| $UAL | Reduced | -227.88K (-1.43%) | 15.75M | $2.13B | -4.2% | +6.4% | — | ||
| $TMO | Reduced | -74.76K (-3.63%) | 1.98M | $941.39M | -2.3% | +6.5% | — | ||
| $TMO | Reduced | -74.76K (-3.63%) | 1.98M | $992.39M | -2.3% | +6.5% | — | ||
| $TJX | Reduced | -150.40K (-1.54%) | 9.59M | $1.45B | +1.2% | +13.0% | — | ||
| $TXN | Reduced | -429.92K (-4.26%) | 9.65M | $2.76B | +1.0% | -5.3% | — | ||
| $TSLA | Reduced | -191.90K (-3.04%) | 6.13M | $2.54B | -7.9% | -14.2% | — | ||
| $RCL | Reduced | -63.60K (-2.64%) | 2.35M | $746.34M | -4.1% | +2.5% | — | ||
| $RYTM | Reduced | -61.16K (-1.76%) | 3.42M | $379.45M | -0.6% | -1.9% | Read | ||
| $ORCL | Reduced | -357.61K (-5.93%) | 5.67M | $833.61M | -3.7% | +3.8% | — | ||
| $NXT | Reduced | -190.75K (-2.74%) | 6.76M | $809.14M | +6.5% | -11.3% | — | ||
| $NXT | Reduced | -190.75K (-2.74%) | 6.76M | $805.49M | +6.5% | -11.3% | — | ||
| $META | Reduced | -14.55K (-1.84%) | 774.24K | $436.12M | +2.1% | -4.7% | — | ||
| $JPM | Reduced | -203.36K (-5.64%) | 3.40M | $1.11B | +0.2% | +3.0% | — | ||
| $JBL | Reduced | -62.50K (-1.87%) | 3.28M | $1.26B | -7.2% | -3.5% | — | ||
| $FLEX | Reduced | -1.32M (-4.94%) | 25.38M | $4.16B | -10.6% | -3.8% | — | ||
| $FDX | Reduced | -209.66K (-2.46%) | 8.30M | $2.66B | -2.4% | +4.6% | — | ||
| $DLTR | Reduced | -103.55K (-2.70%) | 3.73M | $457.23M | +1.3% | +22.6% | — | ||
| $DLTR | Reduced | -103.55K (-2.70%) | 3.73M | $428.41M | +1.3% | +22.6% | — | ||
| $CW | Reduced | -27.16K (-4.82%) | 536.84K | $412.22M | -2.5% | -1.3% | — | ||
| $CW | Reduced | -27.16K (-4.82%) | 536.84K | $395.86M | -2.5% | -1.3% | — | ||
| $CME | Reduced | -60.30K (-3.21%) | 1.82M | $401.63M | +8.0% | -6.2% | — | ||
| $CME | Reduced | -60.30K (-3.21%) | 1.82M | $476.83M | +8.0% | -6.2% | — | ||
| $CVX | Reduced | -33.77K (-1.45%) | 2.29M | $379.85M | +6.2% | +3.7% | — | ||
| $BMRN | Reduced | -355.31K (-2.44%) | 14.19M | $788.34M | -5.5% | +6.8% | — | ||
| $BMRN | Reduced | -355.31K (-2.44%) | 14.19M | $812.18M | -5.5% | +6.8% | — | ||
| $ASML | Reduced | -3.70K (-1.04%) | 353.08K | $696.98M | -6.0% | +10.8% | — | ||
| $AMAT | Reduced | -59.70K (-4.84%) | 1.17M | $821.18M | -6.8% | +12.2% | — | ||
| $AMZN | Reduced | -149.15K (-1.22%) | 12.11M | $2.91B | -1.5% | -11.5% | — | ||
| $AMAT | Reduced | -59.70K (-4.84%) | 1.17M | $648.70M | -6.8% | +12.2% | — | ||
| $BABA | Reduced | -255.12K (-1.34%) | 18.72M | $1.80B | -2.9% | -16.0% | — | ||
| $ALB | Reduced | -140.36K (-5%) | 2.66M | $375.96M | -16.3% | -29.9% | — | ||
| $ALB | Reduced | -140.36K (-5%) | 2.66M | $431.82M | -16.3% | -29.9% | — | ||
| $WDC | Reduced | -176.33K (-23.40%) | 577.21K | $370.03M | -11.1% | -5.0% | Read | ||
| $MU | Reduced | -2.92M (-11.78%) | 21.87M | $25.25B | -14.3% | +12.1% | — | ||
| $KLAC | Reduced | -438.31K (-15.24%) | 2.44M | $5.88B | -4.7% | +15.9% | — | ||
| $KLAC | Reduced | -438.31K (-15.24%) | 2.44M | $735.46M | -4.7% | +15.9% | — | ||
| $HPE | Reduced | -1.98M (-10.32%) | 17.23M | $765.14M | +6.9% | +47.4% | — | ||
| $AZN | Reduced | -18.70M (-50.66%) | 18.21M | $3.32B | +1.1% | -1.6% | — | ||
| $AZN | Reduced | -18.70M (-50.66%) | 18.21M | $3.45B | +1.1% | -1.6% | — | ||
| $XMTR | Added | +812.59K (+14.30%) | 6.50M | $612.20M | +9.0% | +2.0% | — | ||
| $XMTR | Added | +812.59K (+14.30%) | 6.50M | $566.67M | +9.0% | +2.0% | — | ||
| $V | Added | +51.25K (+1.28%) | 4.06M | $1.39B | +2.9% | -0.1% | — | ||
| $V | Added | +51.25K (+1.28%) | 4.06M | $1.30B | +2.9% | -0.1% | — | ||
| $ERIC | Added | +10.87M (+40.84%) | 37.50M | $418.17M | — | ||||
| $SNPS | Added | +87.60K (+11.92%) | 822.40K | $373.65M | -3.4% | -10.8% | — | ||
| $PYPL | Added | +1.86M (+22.75%) | 10.03M | $432.94M | -1.5% | -9.4% | — | ||
| $MKTX | Added | +171.70K (+5.41%) | 3.35M | $389.37M | -2.8% | -19.6% | — | ||
| $MRVL | Added | +47.90K (+1.64%) | 2.97M | $826.22M | -1.1% | +47.9% | — | ||
| $MKTX | Added | +171.70K (+5.41%) | 3.35M | $376.69M | -2.8% | -19.6% | — | ||
| $ILMN | Added | +77.62K (+3.90%) | 2.07M | $374.39M | -0.7% | +14.0% | Read | ||
| $IEX | Added | +76.15K (+2.36%) | 3.30M | $716.41M | -2.5% | +0.6% | — | ||
| $IEX | Added | +76.15K (+2.36%) | 3.30M | $746.33M | -2.5% | +0.6% | — | ||
| $HPQ | Added | +3.81M (+21.60%) | 21.47M | $471.04M | — | ||||
| $ERIC | Added | +10.87M (+40.84%) | 37.50M | $455.30M | — | ||||
| $BSX | Added | +1.43M (+4.61%) | 32.53M | $1.39B | +4.8% | -9.4% | — | ||
| $BAH | Added | +163.50K (+3.50%) | 4.83M | $373.87M | -0.1% | +3.9% | — | ||
| $AMD | Added | +173.82K (+19.85%) | 1.05M | $592.86M | -8.2% | -1.4% | — | ||
| $ADBE | Added | +1.05M (+28.69%) | 4.73M | $955.54M | +3.9% | -5.2% | — |
13F reports are filed quarterly, up to 45 days after the quarter ends, so they show past holdings. 1W / 1M / 6M = how the stock moved after the filing.
Stocks Primecap Management holds or traded
Frequently asked questions
What did Primecap Management buy and sell in its latest 13F?
It opened or added to $V, $BSX, $V, $ADBE and $MRVL; it cut or exited $MU, $KLAC, $FLEX, $AZN and $AZN.
Data comes from public SEC Form 4 and 13F filings and STOCK Act disclosures. Dates are the trade or filing date reported. This page is for research only and is not investment advice.
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