Ticker · CUSIP 58506Q109

MEDP

MEDPACE HLDGS INC
Healthcare·Diagnostics & Research
···Share
Holders (tracked)
15
Combined shares
3,689,145
Combined value
$2.01B
Last close
$515.65
Quarter
2025Q4
Tracked holders · last 8 quarters
-1 vs previous quarter over the last 8.
15172024Q12025Q4
Price is -5.2% vs the avg quarter-end implied price across tracked holders.

SEC event timeline

28 events
  1. D.E. Shaw & Co. trimmed2026-02-17
    −71,908 shares · 2025Q4
    13F
  2. T. Rowe Price added2026-02-17
    +14,253 shares · 2025Q4
    13F
  3. Wellington Management added2026-02-17
    +36,198 shares · 2025Q4
    13F
  4. Paul Tudor Jones (Tudor Investment) opened position2026-02-17
    +89,242 shares · 2025Q4
    13F
  5. Ken Griffin (Citadel Advisors) added2026-02-17
    +36,827 shares · 2025Q4
    13F
  6. Jeremy Grantham (GMO) exited2026-02-17
    −34,097 shares · 2025Q4
    13F
  7. AQR Capital Management added2026-02-17
    +324,293 shares · 2025Q4
    13F
  8. Two Sigma Investments trimmed2026-02-17
    −27,988 shares · 2025Q4
    13F
  9. Izzy Englander (Millennium Mgmt) trimmed2026-02-17
    −64,620 shares · 2025Q4
    13F
  10. Ray Dalio (Bridgewater Associates) added2026-02-13
    +1,072 shares · 2025Q4
    13F
  11. Renaissance Technologies trimmed2026-02-12
    −27,680 shares · 2025Q4
    13F
  12. Norges Bank (Norway SWF) opened position2026-02-10
    +181,886 shares · 2025Q4
    13F
  13. Ken Fisher (Fisher Asset Mgmt) added2026-02-09
    +1,053 shares · 2025Q4
    13F
  14. Baillie Gifford & Co trimmed2026-01-23
    −37,718 shares · 2025Q4
    13F
  15. Paul Tudor Jones (Tudor Investment) exited2025-12-09
    −23,814 shares · 2025Q3
    13F
  16. AQR Capital Management added2025-11-14
    +404,226 shares · 2025Q3
    13F
  17. Izzy Englander (Millennium Mgmt) trimmed2025-11-14
    −228,319 shares · 2025Q3
    13F
  18. Two Sigma Investments trimmed2025-11-14
    −181,381 shares · 2025Q3
    13F
  19. D.E. Shaw & Co. added2025-11-14
    +256,577 shares · 2025Q3
    13F
  20. T. Rowe Price trimmed2025-11-14
    −976 shares · 2025Q3
    13F
  21. Wellington Management trimmed2025-11-14
    −15,858 shares · 2025Q3
    13F
  22. Norges Bank (Norway SWF) exited2025-11-13
    −212,188 shares · 2025Q3
    13F
  23. Renaissance Technologies trimmed2025-11-13
    −184,500 shares · 2025Q3
    13F
  24. Jeremy Grantham (GMO) added2025-11-13
    +319 shares · 2025Q3
    13F
  25. Ray Dalio (Bridgewater Associates) opened position2025-11-13
    +33,230 shares · 2025Q3
    13F
  26. Norges Bank (Norway SWF) trimmed2025-11-12
    −44,084 shares · 2024Q3
    13F
  27. Ken Fisher (Fisher Asset Mgmt) added2025-11-12
    +12,399 shares · 2025Q3
    13F
  28. Baillie Gifford & Co added2025-10-31
    +62,503 shares · 2025Q3
    13F

Insider activity

No insider transactions in the last 30 days.
View full insider history for MEDP →
Follow-the-investor returns
If you'd copied each holder of MEDP…
Cost basis inferred from 13F share-delta history. Sorted by % return on the position they're still holding.
InvestorFirst inCost basisReturnPosition value today
T. Rowe Price2018Q3$58.83+776.5%$60.1M
Renaissance Technologies2017Q3$200.56+157.1%$240.2M
Ken Fisher (Fisher Asset Mgmt)2017Q1$206.25+150.0%$71.6M
Two Sigma Investments2016Q3$302.47+70.5%$29.6M
Baillie Gifford & Co2024Q2$335.62+53.6%$282.1M
D.E. Shaw & Co.2017Q2$399.48+29.1%$272.4M
AQR Capital Management2018Q1$425.29+21.2%$696.0M
Paul Tudor Jones (Tudor Investment)2016Q3$495.87+4.0%$46.0M
Wellington Management2016Q3$506.36+1.8%$24.6M
Izzy Englander (Millennium Mgmt)2016Q3$514.97+0.1%$26.8M
Ray Dalio (Bridgewater Associates)2025Q3$515.64+0.0%$17.7M
Ken Griffin (Citadel Advisors)2016Q3$541.13-4.7%$2.9M
Ken Griffin (Citadel Advisors)2016Q3$541.13-4.7%$2.9M
Ken Griffin (Citadel Advisors)2016Q3$541.13-4.7%$2.9M
Norges Bank (Norway SWF)2017Q3$10599.49-95.1%$93.8M

Who moved on this name in 2025Q4

13F transactions reported for the latest quarter, grouped by direction.
New positions2
Added to6
Trimmed5
Exited1

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2022Q1
12
$33.53B
2022Q2
12
$37.84B
2022Q3
13
$24.2M
2022Q4
16
$796.5M
2023Q1
15
$757.2M
2023Q2
17
$945.3M
2023Q3
17
$852.8M
2023Q4
14
$986.9M
2024Q1
17
$1.55B
2024Q2
18
$1.94B
2024Q3
17
$734.5M
2024Q4
14
$651.4M
2025Q1
13
$588.7M
2025Q2
15
$1.03B
2025Q3
16
$1.65B
2025Q4
15
$2.01B
Congress members trading this stock
DateMemberTypeAmount rangeFiling
2026-02-26David J. TaylorBuy$1K – $15KPDF ↗
2026-01-29David J. TaylorBuy$1K – $15KPDF ↗
2026-01-16David J. TaylorSell$1K – $15KPDF ↗
2025-10-09Gilbert CisnerosSell (P)$1K – $15KPDF ↗
2025-08-04Lisa McClainSell$1K – $15KPDF ↗
2025-07-24Gilbert CisnerosSell (P)$1K – $15KPDF ↗
2025-07-23David J. TaylorSell$1K – $15KPDF ↗
2025-07-22Lisa McClainBuy$1K – $15KPDF ↗
2025-01-13Rob BresnahanSell$1K – $15KPDF ↗

Who owns MEDP

15 super-investors · 2025Q4
Tracked stake
3.69M
shares
Combined value
$2.01B
% of shares outstanding
—
shares-out unknown
Quarter action mix
New2Added8Trim5
#ManagerSharesValue
1AQR Capital Management1.35M$758M
2Baillie Gifford & Co547.1K$307M
3D.E. Shaw & Co.528.2K$297M
4Renaissance Technologies465.9K$262M
5Norges Bank
Norway SWF
181.9K$102M
6Ken Fisher
Fisher Asset Mgmt
138.8K$78M
7Paul Tudor Jones
Tudor Investment
89.2K$50M
8Ken Griffin
Citadel Advisors
59.7K$34M
9Two Sigma Investments57.4K$32M
10Izzy Englander
Millennium Mgmt
52.0K$29M
11Wellington Management47.8K$27M
12Ray Dalio
Bridgewater Associates
34.3K$19M
13Ken Griffin
Citadel Advisors
14.8K$8M
14Ken Griffin
Citadel Advisors
5.7K$3M
15T. Rowe Price116.6K$65K

Recent moves

20 transactions
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