Ticker · CUSIP 743713109
Holders (tracked)
10
Combined shares
1,010,057
Combined value
$49.68M
Last close
$62.06
Quarter
2025Q4
Tracked holders · last 8 quarters
Flat over the last 8 quarters.
Price is +26.2% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
17 events
- T. Rowe Price added2026-02-17+798 shares · 2025Q413F
- Ken Griffin (Citadel Advisors) trimmed2026-02-17−42,751 shares · 2025Q413F
- AQR Capital Management added2026-02-17+19,429 shares · 2025Q413F
- Two Sigma Investments exited2026-02-17−4,500 shares · 2025Q413F
- D.E. Shaw & Co. trimmed2026-02-17−144,295 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) trimmed2026-02-17−2,636 shares · 2025Q413F
- Steve Cohen (Point72) opened position2026-02-17+39,907 shares · 2025Q413F
- Renaissance Technologies trimmed2026-02-12−50,100 shares · 2025Q413F
- Cathie Wood (ARK Invest) trimmed2026-02-11−15,053 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) trimmed2025-11-14−51,005 shares · 2025Q313F
- Two Sigma Investments trimmed2025-11-14−1,100 shares · 2025Q313F
- D.E. Shaw & Co. trimmed2025-11-14−95,529 shares · 2025Q313F
- T. Rowe Price added2025-11-14+1,203 shares · 2025Q313F
- AQR Capital Management added2025-11-14+10,535 shares · 2025Q313F
- Renaissance Technologies added2025-11-13+1,600 shares · 2025Q313F
- Cathie Wood (ARK Invest) trimmed2025-11-12−7,702 shares · 2025Q313F
- Norges Bank (Norway SWF) exited2025-11-12−157,901 shares · 2024Q313F
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of PRLB…
Cost basis inferred from 13F share-delta history. Sorted by % return on the position they're still holding.
| Investor | First in | Cost basis | Return | Position value today |
|---|---|---|---|---|
| Renaissance Technologies | 2016Q1 | $17.33 | +258.1% | $30.6M |
| D.E. Shaw & Co. | 2016Q2 | $30.97 | +100.4% | $13.2M |
| T. Rowe Price | 2016Q1 | $37.67 | +64.7% | $1.7M |
| Izzy Englander (Millennium Mgmt) | 2016Q1 | $38.84 | +59.8% | $6.3M |
| AQR Capital Management | 2017Q4 | $42.59 | +45.7% | $3.2M |
| Ken Griffin (Citadel Advisors) | 2016Q2 | $48.50 | +28.0% | $428K |
| Ken Griffin (Citadel Advisors) | 2016Q2 | $48.50 | +28.0% | $428K |
| Ken Griffin (Citadel Advisors) | 2016Q2 | $48.50 | +28.0% | $428K |
| Steve Cohen (Point72) | 2020Q2 | $51.09 | +21.5% | $2.5M |
| Cathie Wood (ARK Invest) | 2016Q4 | $113.83 | -45.5% | $3.5M |
Who moved on this name in 2025Q4
13F transactions reported for the latest quarter, grouped by direction.
New positions1
- Steve Cohen (Point72)+39,907$2.0M
Added to2
- AQR Capital Management+19,429$983K
- T. Rowe Price+798$40
Trimmed5
- D.E. Shaw & Co.−144,295$7.3M
- Renaissance Technologies−50,100$2.5M
- Ken Griffin (Citadel Advisors)−42,751$2.2M
- Cathie Wood (ARK Invest)−15,053$762K
- Izzy Englander (Millennium Mgmt)−2,636$133K
Exited1
- Two Sigma Investments−4,500$225K
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 13 | $22.88B |
| 2022Q2 | 12 | $13.48B |
| 2022Q3 | 12 | $10.3M |
| 2022Q4 | 12 | $157.7M |
| 2023Q1 | 13 | $193.8M |
| 2023Q2 | 14 | $205.1M |
| 2023Q3 | 13 | $152.2M |
| 2023Q4 | 11 | $205.7M |
| 2024Q1 | 12 | $187.2M |
| 2024Q2 | 13 | $192.9M |
| 2024Q3 | 11 | $53.0M |
| 2024Q4 | 11 | $57.4M |
| 2025Q1 | 10 | $71.0M |
| 2025Q2 | 9 | $56.4M |
| 2025Q3 | 10 | $59.7M |
| 2025Q4 | 10 | $49.7M |
Who owns PRLB
10 super-investors · 2025Q4
Tracked stake
1.01M
shares
Combined value
$50M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New1Added2Trim7
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Renaissance Technologies | 493.6K | $25M |
| 2 | D.E. Shaw & Co. | 212.9K | $11M |
| 3 | Izzy Englander Millennium Mgmt | 101.5K | $5M |
| 4 | Cathie Wood ARK Invest | 56.7K | $3M |
| 5 | AQR Capital Management | 51.3K | $3M |
| 6 | Steve Cohen Point72 | 39.9K | $2M |
| 7 | Ken Griffin Citadel Advisors | 12.5K | $630K |
| 8 | Ken Griffin Citadel Advisors | 6.9K | $349K |
| 9 | Ken Griffin Citadel Advisors | 6.8K | $344K |
| 10 | T. Rowe Price | 28.0K | $1K |
Recent moves
20 transactions
- +39,907 · 2025Q4
- +798 · 2025Q4
- −4,500 · 2025Q4
- −42,751 · 2025Q4
- TRIMD.E. Shaw & Co.−144,295 · 2025Q4
- −2,636 · 2025Q4
- +19,429 · 2025Q4
- −50,100 · 2025Q4
- −15,053 · 2025Q4
- TRIMD.E. Shaw & Co.−95,529 · 2025Q3
- −1,100 · 2025Q3
- −51,005 · 2025Q3
- +10,535 · 2025Q3
- +1,203 · 2025Q3
- +1,600 · 2025Q3
- −7,702 · 2025Q3
- −157,901 · 2024Q3
- −1,000 · 2025Q2
- +155,173 · 2025Q2
- TRIMD.E. Shaw & Co.−84,673 · 2025Q2
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