Medpace Holdings, Inc.
US ˙ NasdaqGS ˙ US58506Q1094

SecurityMEDP / Medpace Holdings, Inc.
InstitutionBoston Trust Walden Corp
Latest Disclosed Ownership140,610 shares
Latest Disclosed Value $ 67,519,516
Boston Trust Walden Corp reports 4.99% decrease in ownership of MEDP / Medpace Holdings, Inc.

On April 24, 2026 - Boston Trust Walden Corp filed a 13F-HR form disclosing ownership of 140,610 shares of Medpace Holdings, Inc. (US:MEDP) valued at $67,519,516 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 28, 2026 disclosing 148,001 shares of Medpace Holdings, Inc.. This represents a change in shares of -4.99% during the quarter. The current value of the position is $63,389,097 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date		 Effective
Date		Form Security Class ID Avg Price
Paid (Est)		 Reported
Shares		 ΔShares ΔShares
(%)		 Reported
Value
(x1000)		 ΔValue
(%)		 Alloc
(%)		 ΔAlloc ΔAlloc (%) Cost Basis
(x1000)		 Unrealized
Gain/Loss
(x1000)
2026-04-24 2026-03-31 13F MEDPACE HOLDINGS COMMON STOCK 58506Q109 140,610 -7,391 -4.99 67,520 -18.77 0.3320
2026-01-28 2025-12-31 13F MEDPACE HOLDINGS COMMON STOCK 58506Q109 148,001 -3,199 -2.12 83,125 6.93 0.3761
2025-10-17 2025-09-30 13F MEDPACE HOLDINGS COMMON STOCK 58506Q109 151,200 126 0.08 77,741 63.95 0.5704
2025-07-28 2025-06-30 13F MEDPACE HOLDINGS COMMON STOCK 58506Q109 151,074 16,270 12.07 47,416 15.44 0.3382
2025-04-21 2025-03-31 13F MEDPACE HOLDINGS COMMON STOCK 58506Q109 134,804 229 0.17 41,073 -8.13 0.3001
2025-01-24 2024-12-31 13F MEDPACE HOLDINGS COMMON STOCK 58506Q109 134,575 4,920 3.79 44,710 3.31 0.3137
2024-10-24 2024-09-30 13F MEDPACE HOLDINGS COMMON STOCK 58506Q109 129,655 -28,296 -17.91 43,279 -33.47 0.3011
2024-07-19 2024-06-30 13F MEDPACE HOLDINGS COMMON STOCK 58506Q109 157,951 -109,064 -40.85 65,052 -39.72 0.4825
2024-04-22 2024-03-31 13F MEDPACE HOLDINGS COMMON STOCK 58506Q109 267,015 -221,256 -45.31 107,914 -27.90 0.7698
2024-01-24 2023-12-31 13F MEDPACE HOLDINGS COMMON STOCK 58506Q109 488,271 -51,684 -9.57 149,670 14.48 1.1292
2023-10-18 2023-09-30 13F MEDPACE HOLDINGS COMMON STOCK 58506Q109 539,955 -9,952 -1.81 130,739 -1.01 1.0957
2023-07-24 2023-06-30 13F MEDPACE HOLDINGS COMMON STOCK 58506Q109 549,907 -12,728 -2.26 132,071 24.83 1.0832
2023-04-19 2023-03-31 13F MEDPACE HOLDINGS COMMON STOCK 58506Q109 562,635 15,193 2.78 105,804 -9.01 0.9132
2023-01-20 2022-12-31 13F MEDPACE HOLDINGS COMMON STOCK 58506Q109 547,442 -151,618 -21.69 116,282 5.84 1.0225
2022-10-19 2022-09-30 13F MEDPACE HOLDINGS COMMON STOCK 58506Q109 699,060 10,282 1.49 109,871 6.58 1.0884
2022-07-22 2022-06-30 13F MEDPACE HOLDINGS COMMON STOCK 58506Q109 688,778 13,784 2.04 103,090 -6.64 0.9741
2022-04-20 2022-03-31 13F MEDPACE HOLDINGS COMMON STOCK 58506Q109 674,994 186,518 38.18 110,423 3.87 0.9121
2022-01-21 2021-12-31 13F MEDPACE HOLDINGS COMMON STOCK 58506Q109 488,476 -39,915 -7.55 106,312 6.30 0.8537
2021-10-25 2021-09-30 13F MEDPACE HOLDINGS COMMON STOCK 58506Q109 528,391 2,164 0.41 100,014 7.60 0.8856
2021-07-22 2021-06-30 13F MEDPACE HOLDINGS COMMON STOCK 58506Q109 526,227 -16,891 -3.11 92,947 4.32 0.8264
2021-04-21 2021-03-31 13F MEDPACE HOLDINGS COMMON STOCK 58506Q109 543,118 33,488 6.57 89,099 25.60 0.8628
2021-01-15 2020-12-31 13F MEDPACE HOLDINGS COMMON STOCK 58506Q109 509,630 101,346 24.82 70,940 55.48 0.7568
2020-10-14 2020-09-30 13F MEDPACE HOLDINGS COMMON STOCK 58506Q109 408,284 14,749 3.75 45,626 24.64 0.5682
2020-07-23 2020-06-30 13F MEDPACE HOLDINGS COMMON STOCK 58506Q109 393,535 362,970 1,187.53 36,607 1,532.06 0.4943
2020-04-21 2020-03-31 13F MEDPACE HOLDINGS COMMON STOCK 58506Q109 30,565 30,565 2,243 0.0345
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.