Ticker · CUSIP 44980X109
Holders (tracked)
12
Combined shares
6,128,289
Combined value
$438.79M
Last close
$125.02
Quarter
2025Q4
Price · 1Y$125.02+71.72 (+134.56%)H $153.91 · L $51.98 · Avg Vol 334K
Tracked holders · last 8 quarters
+3 vs previous quarter over the last 8.
Price is +74.6% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
20 events
- Ken Griffin (Citadel Advisors) trimmed2026-02-17−122,972 shares · 2025Q4Position
- D.E. Shaw & Co. trimmed2026-02-17−27,074 shares · 2025Q4Position
- Two Sigma Investments opened position2026-02-17+23,277 shares · 2025Q4Position
- Izzy Englander (Millennium Mgmt) trimmed2026-02-17−26,612 shares · 2025Q4Position
- Steve Cohen (Point72) trimmed2026-02-17−4,378 shares · 2025Q4Position
- T. Rowe Price added2026-02-17+795 shares · 2025Q4Position
- AQR Capital Management trimmed2026-02-17−202,863 shares · 2025Q4Position
- Renaissance Technologies opened position2026-02-12+31,300 shares · 2025Q4Position
- Norges Bank (Norway SWF) opened position2026-02-10+176,632 shares · 2025Q4Position
- First Eagle Investment Management added2026-02-04+12,344 shares · 2025Q4Position
- Baillie Gifford & Co trimmed2026-01-23−23,288 shares · 2025Q4Position
- D.E. Shaw & Co. trimmed2025-11-14−47,000 shares · 2025Q3Position
- AQR Capital Management trimmed2025-11-14−77,309 shares · 2025Q3Position
- Izzy Englander (Millennium Mgmt) added2025-11-14+32,566 shares · 2025Q3Position
- Steve Cohen (Point72) opened position2025-11-14+14,391 shares · 2025Q3Position
- T. Rowe Price added2025-11-14+1,370 shares · 2025Q3Position
- Norges Bank (Norway SWF) exited2025-11-13−242,834 shares · 2025Q3Position
- First Eagle Investment Management added2025-11-12+7,648 shares · 2025Q3Position
- Norges Bank (Norway SWF) added2025-11-12+315 shares · 2024Q3Position
- Baillie Gifford & Co trimmed2025-10-31−3,735 shares · 2025Q3Position
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of IPGP…
Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.
| Investor | First in | Cost basis | Return | Position value today |
|---|---|---|---|---|
| Ken Griffin (Citadel Advisors) | 2016Q2 | $71.79 | +74.2% | $21.4M |
| Ken Griffin (Citadel Advisors) | 2016Q2 | $71.79 | +74.2% | $21.4M |
| AQR Capital Management | 2016Q1 | $75.43 | +65.7% | $87.3M |
| Two Sigma Investments | 2016Q2 | $80.40 | +55.5% | $2.9M |
| Izzy Englander (Millennium Mgmt) | 2016Q3 | $81.94 | +52.6% | $2.3M |
| Steve Cohen (Point72) | 2017Q4 | $84.27 | +48.4% | $1.3M |
| D.E. Shaw & Co. | 2016Q1 | $92.78 | +34.7% | $12.3M |
| Renaissance Technologies | 2016Q1 | $100.45 | +24.5% | $3.9M |
| T. Rowe Price | 2016Q1 | $109.44 | +14.2% | $3.1M |
| First Eagle Investment Management | 2018Q3 | $113.70 | +10.0% | $561.0M |
| Baillie Gifford & Co | 2016Q1 | $120.07 | +4.1% | $48.0M |
| Norges Bank (Norway SWF) | 2016Q1 | $173.93 | -28.1% | $22.1M |
Who moved on this name in 2025Q4
Position changes reported for the latest quarter, grouped by direction.
New positions3
- Norges Bank (Norway SWF)+176,632$12.6M
- Renaissance Technologies+31,300$2.2M
- Two Sigma Investments+23,277$1.7M
Added to2
- First Eagle Investment Management+12,344$884K
- T. Rowe Price+795$57
Trimmed6
- AQR Capital Management−202,863$14.5M
- Ken Griffin (Citadel Advisors)−122,972$8.8M
- D.E. Shaw & Co.−27,074$1.9M
- Izzy Englander (Millennium Mgmt)−26,612$1.9M
- Baillie Gifford & Co−23,288$1.7M
- Steve Cohen (Point72)−4,378$313K
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 18 | $38.38B |
| 2022Q2 | 21 | $32.35B |
| 2022Q3 | 17 | $823.5M |
| 2022Q4 | 17 | $886.2M |
| 2023Q1 | 14 | $1.13B |
| 2023Q2 | 14 | $1.21B |
| 2023Q3 | 14 | $858.5M |
| 2023Q4 | 13 | $893.4M |
| 2024Q1 | 15 | $764.7M |
| 2024Q2 | 13 | $724.4M |
| 2024Q3 | 13 | $462.3M |
| 2024Q4 | 13 | $432.2M |
| 2025Q1 | 9 | $374.4M |
| 2025Q2 | 9 | $446.6M |
| 2025Q3 | 9 | $498.7M |
| 2025Q4 | 12 | $438.8M |
Who owns IPGP
12 super-investors · 2025Q4
Tracked stake
6.13M
shares
Combined value
$439M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New3Added2Trim7
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | First Eagle Investment Management | 4.49M | $321M |
| 2 | AQR Capital Management | 698.4K | $50M |
| 3 | Baillie Gifford & Co | 384.0K | $27M |
| 4 | Norges Bank Norway SWF | 176.6K | $13M |
| 5 | Ken Griffin Citadel Advisors | 171.2K | $12M |
| 6 | D.E. Shaw & Co. | 98.6K | $7M |
| 7 | Renaissance Technologies | 31.3K | $2M |
| 8 | T. Rowe Price | 25.0K | $2M |
| 9 | Two Sigma Investments | 23.3K | $2M |
| 10 | Izzy Englander Millennium Mgmt | 18.3K | $1M |
| 11 | Steve Cohen Point72 | 10.0K | $717K |
| 12 | Ken Griffin Citadel Advisors | 4.5K | $322K |
Recent moves
20 transactions
- −202,863 · 2025Q4
- −26,612 · 2025Q4
- TRIMD.E. Shaw & Co.−27,074 · 2025Q4
- +23,277 · 2025Q4
- −122,972 · 2025Q4
- −4,378 · 2025Q4
- +795 · 2025Q4
- +31,300 · 2025Q4
- +176,632 · 2025Q4
- +12,344 · 2025Q4
- −23,288 · 2025Q4
- +14,391 · 2025Q3
- TRIMD.E. Shaw & Co.−47,000 · 2025Q3
- +32,566 · 2025Q3
- +1,370 · 2025Q3
- −77,309 · 2025Q3
- −242,834 · 2025Q3
- +315 · 2024Q3
- +7,648 · 2025Q3
- −3,735 · 2025Q3
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