Ticker · CUSIP 879369106
Holders (tracked)
12
Combined shares
3,731,762
Combined value
$450.32M
Last close
$130.22
Quarter
2025Q4
Tracked holders · last 8 quarters
+2 vs previous quarter over the last 8.
Price is +7.9% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
22 events
- Greenhaven Associates exited2026-04-06−122,079 shares · 2026Q113F
- Ken Griffin (Citadel Advisors) trimmed2026-02-17−127,851 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) added2026-02-17+386,536 shares · 2025Q413F
- T. Rowe Price added2026-02-17+1,623 shares · 2025Q413F
- AQR Capital Management trimmed2026-02-17−442,923 shares · 2025Q413F
- D.E. Shaw & Co. trimmed2026-02-17−214,313 shares · 2025Q413F
- −61,580 shares · 2025Q413F
- Norges Bank (Norway SWF) opened position2026-02-10+541,430 shares · 2025Q413F
- Ken Fisher (Fisher Asset Mgmt) exited2026-02-09−2,200 shares · 2025Q413F
- First Eagle Investment Management added2026-02-04+52,300 shares · 2025Q413F
- Greenhaven Associates opened position2026-01-07+122,079 shares · 2025Q413F
- −82,451 shares · 2025Q313F
- AQR Capital Management added2025-11-14+1,956,811 shares · 2025Q313F
- Izzy Englander (Millennium Mgmt) trimmed2025-11-14−41,484 shares · 2025Q313F
- D.E. Shaw & Co. added2025-11-14+12,300 shares · 2025Q313F
- T. Rowe Price added2025-11-14+2,137 shares · 2025Q313F
- Renaissance Technologies exited2025-11-13−64,300 shares · 2025Q313F
- Norges Bank (Norway SWF) exited2025-11-13−556,147 shares · 2025Q313F
- Ray Dalio (Bridgewater Associates) added2025-11-13+87,279 shares · 2025Q313F
- Norges Bank (Norway SWF) added2025-11-12+12,726 shares · 2024Q313F
- +32,000 shares · 2025Q313F
- Ken Fisher (Fisher Asset Mgmt) trimmed2025-11-12−22 shares · 2025Q313F
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of TFX…
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 |
|---|---|---|---|---|
| Greenhaven Associates | 2025Q4 | $122.04 | +6.7% | $15.9M |
| Ken Griffin (Citadel Advisors) | 2016Q3 | $122.04 | +6.7% | $8.5M |
| Ken Griffin (Citadel Advisors) | 2016Q3 | $122.04 | +6.7% | $8.5M |
| Ken Griffin (Citadel Advisors) | 2016Q3 | $122.04 | +6.7% | $8.5M |
| First Eagle Investment Management | 2025Q3 | $122.16 | +6.6% | $11.0M |
| Izzy Englander (Millennium Mgmt) | 2016Q1 | $124.19 | +4.9% | $77.1M |
| Izzy Englander (Millennium Mgmt) | 2016Q1 | $124.19 | +4.9% | $77.1M |
| Ray Dalio (Bridgewater Associates) | 2019Q4 | $125.74 | +3.6% | $4.0M |
| T. Rowe Price | 2016Q1 | $131.97 | -1.3% | $5.1M |
| AQR Capital Management | 2016Q1 | $132.22 | -1.5% | $250.4M |
| D.E. Shaw & Co. | 2016Q1 | $150.91 | -13.7% | $40.7M |
| Norges Bank (Norway SWF) | 2016Q1 | $13176.80 | -99.0% | $70.5M |
Who moved on this name in 2025Q4
13F transactions reported for the latest quarter, grouped by direction.
New positions2
- Norges Bank (Norway SWF)+541,430$66.1M
- Greenhaven Associates+122,079$14.9M
Added to3
- Izzy Englander (Millennium Mgmt)+386,536$47.2M
- First Eagle Investment Management+52,300$6.4M
- T. Rowe Price+1,623$198
Trimmed4
- AQR Capital Management−442,923$54.0M
- D.E. Shaw & Co.−214,313$26.2M
- Ken Griffin (Citadel Advisors)−127,851$15.6M
- Ray Dalio (Bridgewater Associates)−61,580$7.5M
Exited1
- Ken Fisher (Fisher Asset Mgmt)−2,200$269K
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 17 | $159.54B |
| 2022Q2 | 16 | $119.08B |
| 2022Q3 | 16 | $84.2M |
| 2022Q4 | 17 | $2.03B |
| 2023Q1 | 16 | $1.96B |
| 2023Q2 | 13 | $1.71B |
| 2023Q3 | 14 | $1.00B |
| 2023Q4 | 11 | $1.22B |
| 2024Q1 | 15 | $1.57B |
| 2024Q2 | 18 | $1.59B |
| 2024Q3 | 15 | $657.9M |
| 2024Q4 | 12 | $321.1M |
| 2025Q1 | 9 | $183.8M |
| 2025Q2 | 12 | $238.2M |
| 2025Q3 | 10 | $417.1M |
| 2025Q4 | 12 | $450.3M |
Congress members trading this stock
| Date | Member | Type | Amount range | Filing |
|---|---|---|---|---|
| 2025-07-22 | Lisa McClain | Sell | $1K – $15K | PDF ↗ |
| 2025-07-16 | Lisa McClain | Buy | $1K – $15K | PDF ↗ |
| 2025-02-25 | Rob Bresnahan | Sell | $1K – $15K | PDF ↗ |
Who owns TFX
12 super-investors · 2025Q4
Tracked stake
3.73M
shares
Combined value
$450M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New2Added4Trim6
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | AQR Capital Management | 1.92M | $234M |
| 2 | Izzy Englander Millennium Mgmt | 592.1K | $72M |
| 3 | Norges Bank Norway SWF | 541.4K | $66M |
| 4 | D.E. Shaw & Co. | 312.7K | $38M |
| 5 | Greenhaven Associates | 122.1K | $15M |
| 6 | First Eagle Investment Management | 84.3K | $10M |
| 7 | Ken Griffin Citadel Advisors | 65.6K | $8M |
| 8 | Ray Dalio Bridgewater Associates | 31.0K | $4M |
| 9 | Izzy Englander Millennium Mgmt | 15.0K | $2M |
| 10 | Ken Griffin Citadel Advisors | 3.2K | $391K |
| 11 | Ken Griffin Citadel Advisors | 2.0K | $244K |
| 12 | T. Rowe Price | 39.2K | $5K |
Recent moves
20 transactions
- −122,079 · 2026Q1
- −442,923 · 2025Q4
- +386,536 · 2025Q4
- TRIMD.E. Shaw & Co.−214,313 · 2025Q4
- −127,851 · 2025Q4
- +1,623 · 2025Q4
- −61,580 · 2025Q4
- +541,430 · 2025Q4
- −2,200 · 2025Q4
- +52,300 · 2025Q4
- +122,079 · 2025Q4
- −82,451 · 2025Q3
- +12,300 · 2025Q3
- +1,956,811 · 2025Q3
- +2,137 · 2025Q3
- −41,484 · 2025Q3
- −556,147 · 2025Q3
- −64,300 · 2025Q3
- +87,279 · 2025Q3
- +12,726 · 2024Q3
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