Ticker · CUSIP 88076W103
Holders (tracked)
10
Combined shares
4,884,311
Combined value
$137.75M
Last close
$26.77
Quarter
2025Q4
Tracked holders · last 8 quarters
-1 vs previous quarter over the last 8.
Price is -5.1% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
16 events
- AQR Capital Management trimmed2026-02-17−604,267 shares · 2025Q413F
- D.E. Shaw & Co. added2026-02-17+90,692 shares · 2025Q413F
- T. Rowe Price trimmed2026-02-17−63,020 shares · 2025Q413F
- Ken Griffin (Citadel Advisors) trimmed2026-02-17−317,054 shares · 2025Q413F
- Two Sigma Investments trimmed2026-02-17−331,590 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) added2026-02-17+84,711 shares · 2025Q413F
- Ray Dalio (Bridgewater Associates) added2026-02-13+112,239 shares · 2025Q413F
- Renaissance Technologies trimmed2026-02-12−705,963 shares · 2025Q413F
- AQR Capital Management trimmed2025-11-14−54,548 shares · 2025Q313F
- Izzy Englander (Millennium Mgmt) added2025-11-14+68,986 shares · 2025Q313F
- Two Sigma Investments added2025-11-14+262,348 shares · 2025Q313F
- D.E. Shaw & Co. trimmed2025-11-14−74,051 shares · 2025Q313F
- T. Rowe Price added2025-11-14+28,141 shares · 2025Q313F
- Ray Dalio (Bridgewater Associates) added2025-11-13+44,643 shares · 2025Q313F
- Renaissance Technologies trimmed2025-11-13−376,762 shares · 2025Q313F
- Norges Bank (Norway SWF) trimmed2025-11-12−31,200 shares · 2024Q313F
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of TDC…
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 |
|---|---|---|---|---|
| T. Rowe Price | 2016Q1 | $4.60 | +482.1% | $9.6M |
| Renaissance Technologies | 2016Q1 | $10.70 | +150.3% | $2.2M |
| Two Sigma Investments | 2016Q1 | $24.83 | +7.8% | $7.2M |
| AQR Capital Management | 2016Q1 | $26.87 | -0.4% | $87.1M |
| Izzy Englander (Millennium Mgmt) | 2016Q1 | $29.05 | -7.9% | $5.5M |
| D.E. Shaw & Co. | 2016Q1 | $29.08 | -8.0% | $5.9M |
| Ray Dalio (Bridgewater Associates) | 2022Q1 | $29.47 | -9.2% | $5.7M |
| Ken Griffin (Citadel Advisors) | 2016Q1 | $30.14 | -11.2% | $1.1M |
| Ken Griffin (Citadel Advisors) | 2016Q1 | $30.14 | -11.2% | $1.1M |
| Ken Griffin (Citadel Advisors) | 2016Q1 | $30.14 | -11.2% | $1.1M |
Who moved on this name in 2025Q4
13F transactions reported for the latest quarter, grouped by direction.
New positions0
—
Added to3
- Ray Dalio (Bridgewater Associates)+112,239$3.4M
- D.E. Shaw & Co.+90,692$2.8M
- Izzy Englander (Millennium Mgmt)+84,711$2.6M
Trimmed5
- Renaissance Technologies−705,963$21.5M
- AQR Capital Management−604,267$18.4M
- Two Sigma Investments−331,590$10.1M
- Ken Griffin (Citadel Advisors)−317,054$9.7M
- T. Rowe Price−63,020$2K
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 14 | $51.26B |
| 2022Q2 | 13 | $37.94B |
| 2022Q3 | 14 | $31.8M |
| 2022Q4 | 17 | $658.6M |
| 2023Q1 | 13 | $642.8M |
| 2023Q2 | 13 | $944.7M |
| 2023Q3 | 14 | $697.8M |
| 2023Q4 | 12 | $664.1M |
| 2024Q1 | 15 | $657.5M |
| 2024Q2 | 14 | $599.5M |
| 2024Q3 | 13 | $227.3M |
| 2024Q4 | 11 | $237.6M |
| 2025Q1 | 10 | $123.6M |
| 2025Q2 | 10 | $140.9M |
| 2025Q3 | 11 | $135.5M |
| 2025Q4 | 10 | $137.7M |
Who owns TDC
10 super-investors · 2025Q4
Tracked stake
4.88M
shares
Combined value
$138M
% of shares outstanding
—
shares-out unknown
Quarter action mix
Added3Trim7
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | AQR Capital Management | 3.25M | $99M |
| 2 | Two Sigma Investments | 267.7K | $8M |
| 3 | Ken Griffin Citadel Advisors | 227.6K | $7M |
| 4 | D.E. Shaw & Co. | 221.7K | $7M |
| 5 | Ray Dalio Bridgewater Associates | 214.6K | $7M |
| 6 | Izzy Englander Millennium Mgmt | 206.8K | $6M |
| 7 | Renaissance Technologies | 82.6K | $3M |
| 8 | Ken Griffin Citadel Advisors | 41.8K | $1M |
| 9 | Ken Griffin Citadel Advisors | 7.6K | $231K |
| 10 | T. Rowe Price | 359.5K | $11K |
Recent moves
20 transactions
- −317,054 · 2025Q4
- −331,590 · 2025Q4
- TRIMT. Rowe Price−63,020 · 2025Q4
- −604,267 · 2025Q4
- +84,711 · 2025Q4
- +90,692 · 2025Q4
- +112,239 · 2025Q4
- −705,963 · 2025Q4
- +28,141 · 2025Q3
- TRIMD.E. Shaw & Co.−74,051 · 2025Q3
- +262,348 · 2025Q3
- +68,986 · 2025Q3
- −54,548 · 2025Q3
- +44,643 · 2025Q3
- −376,762 · 2025Q3
- −31,200 · 2024Q3
- −149,792 · 2025Q2
- −202,113 · 2025Q2
- −178,057 · 2025Q2
- TRIMD.E. Shaw & Co.−699,116 · 2025Q2
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