Ticker · CUSIP 719405102
Holders (tracked)
11
Combined shares
2,736,765
Combined value
$58.25M
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
+1 vs previous quarter over the last 8.
SEC event timeline
30 events
- Wang Hsueh-Chun · SVP/COO IC & US/EU Mnstrm Ops2026-04-14Sold $872.0K @ $45.30Insider sell
- MACRICOSTAS CONSTANTINE S2026-04-14Sold $2.27M @ $45.35Insider sell
- Rivera Eric · President, CFO2026-04-13Sold $44.8K @ $44.77Insider sell
- Lee Kang Jyh2026-04-13Sold $225.0K @ $45.00Insider sell
- Rivera Eric · President, CFO2026-04-09Sold $38.8K @ $44.00Insider sell
- Lee Kang Jyh2026-04-09Sold $220.0K @ $44.00Insider sell
- Rivera Eric · President, CFO2026-04-09Sold $1.79M @ $44.00Insider sell
- Wang Hsueh-Chun · SVP/COO IC & US/EU Mnstrm Ops2026-04-09Sold $525.5K @ $44.25Insider sell
- MACRICOSTAS GEORGE · CEO2026-04-08Sold $4.68M @ $42.90Insider sell
- MACRICOSTAS GEORGE · CEO2026-04-08Sold $238.0K @ $43.28Insider sell
- Wang Hsueh-Chun · SVP/COO IC & US/EU Mnstrm Ops2026-04-08Sold $426.9K @ $42.69Insider sell
- ZHANG RUI · VP, CAO & Corporate Controller2026-04-08Sold $76.2K @ $43.50Insider sell
- Lee Kang Jyh2026-04-08Sold $216.3K @ $43.27Insider sell
- MACRICOSTAS GEORGE · CEO2026-04-08Sold $281.3K @ $43.27Insider sell
- Ken Griffin (Citadel Advisors) added2026-02-17+191,332 shares · 2025Q413F
- D.E. Shaw & Co. added2026-02-17+138,754 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) trimmed2026-02-17−388,513 shares · 2025Q413F
- T. Rowe Price trimmed2026-02-17−122,333 shares · 2025Q413F
- Jeremy Grantham (GMO) added2026-02-17+5,528 shares · 2025Q413F
- AQR Capital Management added2026-02-17+27,364 shares · 2025Q413F
- Two Sigma Investments added2026-02-17+65,721 shares · 2025Q413F
- Renaissance Technologies trimmed2026-02-12−112,545 shares · 2025Q413F
- Norges Bank (Norway SWF) opened position2026-02-10+360,634 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) trimmed2025-11-14−141,953 shares · 2025Q313F
- Two Sigma Investments added2025-11-14+1,621 shares · 2025Q313F
- D.E. Shaw & Co. trimmed2025-11-14−179,126 shares · 2025Q313F
- T. Rowe Price added2025-11-14+474 shares · 2025Q313F
- AQR Capital Management added2025-11-14+73,214 shares · 2025Q313F
- Renaissance Technologies added2025-11-13+2,523 shares · 2025Q313F
- Jeremy Grantham (GMO) opened position2025-11-13+9,695 shares · 2025Q313F
Insider activity
Last 30 days
Net (open-market)
−$11.90M
Buys
0 · $0
Sells
14 · $11.90M
Unique insiders
11
| Date | Insider | Code | Shares | Price | Value |
|---|---|---|---|---|---|
| 04-14 | MACRICOSTAS CONSTANTINE S Insider | S | 50,000 | $45.35 | $2.27M |
| 04-14 | Wang Hsueh-Chun SVP/COO IC & US/EU Mnstrm Ops · Insider | S | 19,250 | $45.30 | $872.0K |
| 04-13 | Rivera Eric President, CFO · Insider | M | 1,000 | $9.78 | $9.8K |
| 04-13 | Rivera Eric President, CFO · Insider | S | 1,000 | $44.77 | $44.8K |
| 04-13 | LEWIS ADAM M Insider | A | 3,722 | — | $0 |
| 04-13 | Garcia David A. Insider | A | 3,722 | — | $0 |
| 04-13 | Almeida Michelle Insider | A | 3,722 | — | $0 |
| 04-13 | Lee Kang Jyh Insider | S | 5,000 | $45.00 | $225.0K |
| 04-13 | Liao Daniel JL Insider | A | 3,722 | — | $0 |
| 04-13 | MACRICOSTAS CONSTANTINE S Insider | A | 3,722 | — | $0 |
| 04-13 | TYSON MITCHELL G Insider | A | 3,722 | — | $0 |
| 04-13 | Lee Kang Jyh Insider | M | 5,000 | $8.60 | $43.0K |
| 04-09 | Lee Kang Jyh Insider | S | 5,000 | $44.00 | $220.0K |
| 04-09 | Lee Kang Jyh Insider | M | 5,000 | $8.60 | $43.0K |
| 04-09 | Rivera Eric President, CFO · Insider | S | 882 | $44.00 | $38.8K |
| 04-09 | Rivera Eric President, CFO · Insider | S | 40,635 | $44.00 | $1.79M |
| 04-09 | Wang Hsueh-Chun SVP/COO IC & US/EU Mnstrm Ops · Insider | S | 11,875 | $44.25 | $525.5K |
| 04-08 | MACRICOSTAS GEORGE CEO · Insider | S | 6,500 | $43.27 | $281.3K |
| 04-08 | MACRICOSTAS GEORGE CEO · Insider | S | 5,500 | $43.28 | $238.0K |
| 04-08 | MACRICOSTAS GEORGE CEO · Insider | S | 109,194 | $42.90 | $4.68M |
| 04-08 | Lee Kang Jyh Insider | M | 5,000 | $8.60 | $43.0K |
| 04-08 | Lee Kang Jyh Insider | S | 5,000 | $43.27 | $216.3K |
| 04-08 | Wang Hsueh-Chun SVP/COO IC & US/EU Mnstrm Ops · Insider | S | 10,000 | $42.69 | $426.9K |
| 04-08 | ZHANG RUI VP, CAO & Corporate Controller · Insider | S | 1,752 | $43.50 | $76.2K |
| 04-02 | MACRICOSTAS CONSTANTINE S Insider | G | 37,000 | — | $0 |
Who moved on this name in 2025Q4
13F transactions reported for the latest quarter, grouped by direction.
New positions1
- Norges Bank (Norway SWF)+360,634$11.5M
Added to5
- Ken Griffin (Citadel Advisors)+191,332$6.1M
- D.E. Shaw & Co.+138,754$4.4M
- Two Sigma Investments+65,721$2.1M
- AQR Capital Management+27,364$876K
- Jeremy Grantham (GMO)+5,528$177K
Trimmed3
- Izzy Englander (Millennium Mgmt)−388,513$12.4M
- Renaissance Technologies−112,545$3.6M
- T. Rowe Price−122,333$4K
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 10 | $197.3M |
| 2022Q2 | 12 | $233.2M |
| 2022Q3 | 11 | $188K |
| 2022Q4 | 13 | $199.8M |
| 2023Q1 | 13 | $187.8M |
| 2023Q2 | 13 | $304.2M |
| 2023Q3 | 13 | $250.1M |
| 2023Q4 | 11 | $358.4M |
| 2024Q1 | 11 | $313.3M |
| 2024Q2 | 13 | $281.0M |
| 2024Q3 | 11 | $37.2M |
| 2024Q4 | 11 | $35.8M |
| 2025Q1 | 9 | $33.4M |
| 2025Q2 | 9 | $34.4M |
| 2025Q3 | 10 | $37.5M |
| 2025Q4 | 11 | $58.2M |
Who owns PLAB
11 super-investors · 2025Q4
Tracked stake
2.74M
shares
Combined value
$58M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New1Added7Trim3
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Ken Griffin Citadel Advisors | 443.9K | $14M |
| 2 | AQR Capital Management | 391.5K | $13M |
| 3 | Norges Bank Norway SWF | 360.6K | $12M |
| 4 | D.E. Shaw & Co. | 187.3K | $6M |
| 5 | Renaissance Technologies | 119.7K | $4M |
| 6 | Izzy Englander Millennium Mgmt | 113.8K | $4M |
| 7 | Two Sigma Investments | 78.1K | $3M |
| 8 | Ken Griffin Citadel Advisors | 57.4K | $2M |
| 9 | Ken Griffin Citadel Advisors | 51.7K | $2M |
| 10 | Jeremy Grantham GMO | 15.2K | $487K |
| 11 | T. Rowe Price | 917.4K | $29K |
Recent moves
20 transactions
- +27,364 · 2025Q4
- +138,754 · 2025Q4
- +5,528 · 2025Q4
- +65,721 · 2025Q4
- TRIMT. Rowe Price−122,333 · 2025Q4
- +191,332 · 2025Q4
- −388,513 · 2025Q4
- −112,545 · 2025Q4
- +360,634 · 2025Q4
- +474 · 2025Q3
- +1,621 · 2025Q3
- TRIMD.E. Shaw & Co.−179,126 · 2025Q3
- −141,953 · 2025Q3
- +73,214 · 2025Q3
- +9,695 · 2025Q3
- +2,523 · 2025Q3
- −39,100 · 2024Q3
- −6,157 · 2025Q2
- +3,467 · 2025Q2
- +558,701 · 2025Q2
Embed this chart
Paste this iframe anywhere to embed the live PLAB chart.
<iframe src="https://openstocks.me/embed/stock/PLAB" width="100%" height="480" frameborder="0" loading="lazy" title="PLAB chart by OpenStocks" style="border:0;border-radius:12px;background:transparent"></iframe>