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Equibles

PRA

Proassurance Corp

Company with tickers: PRA

CIK
1127703
CUSIP
74267C106
Shares Outstanding
51,607,726
13F Activity (30d)
12 filings 10 filers

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 221
Total Value: $1,352,518,999
Total Shares: 54,713,558
Showing 1–100 of 226 holdings by value · page 1 of 3

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 220 13F filers · Δ vs Dec 31, 2025
Top Holder
14.8%
Sep 2023 → Mar 2026 · range 14.4% – 17.6%
+0.2 pts
Top 5
33.9%
Sep 2023 → Mar 2026 · range 33.9% – 55.0%
−7.5 pts
Top 10
49.0%
Sep 2023 → Mar 2026 · range 49.0% – 72.5%
−7.7 pts
HHI
420
Sep 2023 → Mar 2026 · range 420 – 769
Broadly held−92

Quarterly Activity

vs Dec 31, 2025
New
34
Increased
87
Decreased
62
Sold Out
26
Unchanged
38
Holder count: +8
Institutional value: +11.9%
Shares held: +9.4%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open
Mid GLAZER CAPITAL, LLC +1,322,251 1,546,643
Large RENAISSANCE TECHNOLOGIES LLC +834,700 964,900
Mega HSBC HOLDINGS PLC +526,262 1,573,422
Mega MILLENNIUM MANAGEMENT LLC +316,972 1,085,920
Mega Amundi +291,315 538,650

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open
Mega DIMENSIONAL FUND ADVISORS LP −1,290,418 1,442,782
Large Balyasny Asset Management L.P. −551,827 488,074
Large Man Group plc −415,532 329,837
Mega JANUS HENDERSON GROUP PLC −367,352 678,775
Large LMR Partners LLP −317,809 462,089

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Mega VANGUARD CAPITAL MANAGEMENT LLC 4,859,983 $120,138,779
Large VANGUARD PORTFOLIO MANAGEMENT LLC 2,800,643 $69,231,894
Mega VANGUARD FIDUCIARY TRUST CO 331,177 $8,186,695
Large Caption Management, LLC 286,385 $7,079,437
Mid Atom Investors LP 230,051 $5,686,860

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Mega VANGUARD GROUP INC 5,299,454 $128,034,806
Mega JANE STREET GROUP, LLC 114,232 $2,759,844
Large NEW YORK STATE TEACHERS RETIREMENT SYSTEM 80,473 $1,944,227
Mid AlphaQuest LLC 48,152 $1,163,352
Mid Weiss Asset Management LP 40,003 $966,472
Filter: New 34 Increased 87 Reduced 62 Sold out 26 Unchanged 38
Showing 100 of 226
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
Mega BlackRock, Inc. $179,920,855 13.30% 7,278,352
Mid Magnetar Financial LLC $80,251,873 5.93% 3,246,435
Large VANGUARD PORTFOLIO MANAGEMENT LLC $69,231,894 5.12% 2,800,643
Mega VANGUARD CAPITAL MANAGEMENT LLC $64,744,349 4.79% 2,619,108
Mega VANGUARD CAPITAL MANAGEMENT LLC $55,394,430 4.10% 2,240,875
Mega ALLIANCEBERNSTEIN L.P. $50,284,311 3.72% 2,034,155
Mega STATE STREET CORP $46,997,367 3.47% 1,901,188
Mega HSBC HOLDINGS PLC $38,894,991 2.88% 1,573,422
Mid GLAZER CAPITAL, LLC $38,233,014 2.83% 1,546,643
Mid Westchester Capital Management, LLC $35,968,611 2.66% 1,455,041
Mega DIMENSIONAL FUND ADVISORS LP $35,665,569 2.64% 1,442,782
Mega MORGAN STANLEY $35,552,893 2.63% 1,438,224
Mid NEXPOINT ASSET MANAGEMENT, L.P. $35,017,881 2.59% 1,416,581
Mega GEODE CAPITAL MANAGEMENT, LLC $29,946,524 2.21% 1,211,429
Large Qube Research & Technologies Ltd $29,621,456 2.19% 1,198,279
Mega MILLENNIUM MANAGEMENT LLC $26,843,942 1.98% 1,085,920
Large RENAISSANCE TECHNOLOGIES LLC $23,852,328 1.76% 964,900
Mid ALPINE ASSOCIATES MANAGEMENT INC. $23,374,984 1.73% 945,590
Large MARSHALL WACE, LLP $20,609,705 1.52% 833,726
Mega GOLDMAN SACHS GROUP INC $19,032,001 1.41% 769,903
Mega JANUS HENDERSON GROUP PLC $16,779,317 1.24% 678,775
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC $16,231,498 1.20% 656,614
Large Hudson Bay Capital Management LP $14,214,000 1.05% 575,000
Mega NORTHERN TRUST CORP Bank $13,499,317 1.00% 546,089
Mid AQR Arbitrage LLC $13,445,306 0.99% 543,904
Mega Amundi $13,315,428 0.98% 538,650
Mega FIL Ltd $12,582,356 0.93% 508,995
Large Balyasny Asset Management L.P. $12,065,189 0.89% 488,074
Large LMR Partners LLP $11,422,840 0.84% 462,089
Large HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND Pension $11,129,240 0.82% 450,212
Mid Groupe la Francaise $10,841,623 0.80% 438,577
Mega AMERICAN CENTURY COMPANIES INC $10,423,632 0.77% 421,668
Mega UBS Group AG $10,400,964 0.77% 420,751
Small GARDNER LEWIS ASSET MANAGEMENT L P $10,125,410 0.75% 409,604
Small PSquared Asset Management AG $9,098,418 0.67% 368,059
Mega VANGUARD FIDUCIARY TRUST CO Bank $8,186,695 0.61% 331,177
Large Man Group plc $8,153,570 0.60% 329,837
Small CREDIT INDUSTRIEL ET COMMERCIAL $7,289,285 0.54% 294,874
Mega Bank of New York Mellon Corp Bank $7,257,320 0.54% 293,581
Small THIRD AVENUE MANAGEMENT LLC $6,442,229 0.48% 260,608
Mega PRINCIPAL FINANCIAL GROUP INC $6,177,305 0.46% 249,891
Mid Dana Investment Advisors, Inc. $5,968,693 0.44% 241,452
Large Caption Management, LLC $5,858,640 0.43% 237,000
Mid Atom Investors LP $5,686,860 0.42% 230,051
Mid Carmignac Gestion $5,370,741 0.40% 217,263
Mega Invesco Ltd. $5,060,899 0.37% 204,729
Large Squarepoint Ops LLC $4,995,837 0.37% 202,097
Large Verition Fund Management LLC $4,944,000 0.37% 200,000
Mid Polar Asset Management Partners Inc. $4,909,045 0.36% 198,586
Mega TWO SIGMA INVESTMENTS, LP $4,862,374 0.36% 196,698
Large Verition Fund Management LLC $4,751,653 0.35% 192,219
Large GABELLI FUNDS LLC $4,663,032 0.34% 188,634
Large Public Sector Pension Investment Board Pension $4,545,983 0.34% 183,899
Small GABELLI & Co INVESTMENT ADVISERS, INC. $4,395,586 0.32% 177,815
Small ABC ARBITRAGE SA $4,184,403 0.31% 169,272
Large TEACHER RETIREMENT SYSTEM OF TEXAS Pension $4,172,093 0.31% 168,774
Mid Skandinaviska Enskilda Banken AB (publ) $4,075,784 0.30% 164,878
Mid PRELUDE CAPITAL MANAGEMENT, LLC $4,060,185 0.30% 164,247
Mega FMR LLC $4,003,897 0.30% 161,970
Mega RHUMBLINE ADVISERS $3,625,361 0.27% 146,657
Mid SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC $3,335,222 0.25% 134,920
Mega Legal & General Group Plc $3,169,646 0.23% 128,222
Mid WOLVERINE ASSET MANAGEMENT LLC $3,124,360 0.23% 126,390
Mega BANK OF AMERICA CORP /DE/ Bank $3,103,299 0.23% 125,538
Mega JPMORGAN CHASE & CO $2,927,587 0.22% 118,430
Mega AMERIPRISE FINANCIAL INC $2,917,898 0.22% 118,038
Mega Nuveen, LLC $2,736,924 0.20% 110,717
Mid New York Life Investment Management LLC $2,704,689 0.20% 109,413
Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC $2,505,146 0.19% 101,341
Micro Vazirani Asset Management LLC $2,472,000 0.18% 100,000
Mega Swiss National Bank Bank $2,387,952 0.18% 96,600
Large OMERS ADMINISTRATION Corp $2,313,792 0.17% 93,600
Small CSS LLC/IL $1,787,676 0.13% 72,317
Micro Smith Thornton Advisors LLC $1,643,880 0.12% 66,500
Mega PRICE T ROWE ASSOCIATES INC /MD/ $1,615,031 0.12% 65,333
Micro Olympiad Research LP $1,545,000 0.11% 62,500
Mid CAXTON ASSOCIATES LLP $1,543,071 0.11% 62,422
Large Trexquant Investment LP $1,450,495 0.11% 58,677
Small Kintayl Capital LP $1,405,455 0.10% 56,855
Large PRUDENTIAL FINANCIAL INC $1,348,377 0.10% 54,546
Small Mint Tower Capital Management B.V. $1,310,728 0.10% 53,023
Mega CITADEL ADVISORS LLC $1,287,195 0.10% 52,071
Mid Savant Capital, LLC $1,285,415 0.10% 51,999
Small WATER ISLAND CAPITAL LLC $1,263,266 0.09% 51,103
Large Quantinno Capital Management LP $1,235,456 0.09% 49,978
Large Caption Management, LLC $1,220,797 0.09% 49,385
Mega DEUTSCHE BANK AG\ Bank $1,185,595 0.09% 47,961
Mid INTECH INVESTMENT MANAGEMENT LLC $1,183,222 0.09% 47,865
Large CANADA LIFE ASSURANCE Co Insurance $1,082,488 0.08% 43,790
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $1,058,016 0.08% 42,800
Large CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM Pension $1,044,840 0.08% 42,267
Mega AQR CAPITAL MANAGEMENT LLC $937,627 0.07% 37,930
Mid OP Asset Management Ltd $911,006 0.07% 36,853
Large Point72 Asset Management, L.P. $909,176 0.07% 36,779
Mid Y-Intercept (Hong Kong) Ltd $903,268 0.07% 36,540
Small Ellsworth Advisors, LLC $898,868 0.07% 36,362
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $866,683 0.06% 35,060
Mega VANGUARD ASSET MANAGEMENT, Ltd $866,337 0.06% 35,046
Large Thrivent Financial for Lutherans $848,340 0.06% 34,318
Large SG Americas Securities, LLC Broker-Dealer $809,753 0.06% 32,757

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