WRB · Berkley W R Corp

$68.44 +0.10 (+0.15%) At close · Aug 28

S&P 500 member Russell 1000 member Rebalance outlook locked

Market Cap

$25.41B

371.23M

Daily short-sale volume published by FINRA from its trade-reporting facilities. It measures how many shares were sold short each day as a share of total volume — a daily flow, not the total outstanding short position.

1M 3M 6M 1Y 5Y All

Short Volume

Date	Short Volume	Short Exempt	Total Volume	Short %
2026-08-28	282,431	8,984	450,983	62.6%
2026-08-27	451,105	543	650,309	69.4%
2026-08-26	234,838	0	418,957	56.1%
2026-08-25	308,327	932	561,724	54.9%
2026-08-24	271,575	358	470,767	57.7%
2026-08-21	294,333	1,050	466,178	63.1%
2026-08-20	306,718	650	502,017	61.1%
2026-08-19	253,636	182	478,825	53.0%
2026-08-18	325,718	40	522,994	62.3%
2026-08-17	221,672	223	372,217	59.6%
2026-08-14	215,977	56	400,005	54.0%
2026-08-13	243,210	525	467,636	52.0%
2026-08-12	195,504	3,723	422,208	46.3%
2026-08-11	178,313	4	361,335	49.3%
2026-08-10	243,373	13	461,796	52.7%
2026-08-07	218,039	10	504,120	43.3%
2026-08-06	281,797	0	1,055,406	26.7%
2026-08-05	168,661	136	445,305	37.9%
2026-08-04	203,587	21	496,791	41.0%
2026-08-03	266,563	13	709,130	37.6%
2026-07-31	141,764	79	413,476	34.3%
2026-07-30	248,574	0	520,642	47.7%
2026-07-29	351,846	175	684,324	51.4%
2026-07-28	258,016	1,380	485,624	53.1%
2026-07-27	242,857	0	479,424	50.7%
2026-07-24	334,544	420	678,350	49.3%
2026-07-23	319,769	86	583,489	54.8%
2026-07-22	316,617	365	742,918	42.6%
2026-07-21	613,768	0	1,236,390	49.6%
2026-07-20	374,245	2,035	843,686	44.4%
2026-07-17	274,479	213	1,253,695	21.9%
2026-07-16	305,638	596	713,900	42.8%
2026-07-15	371,592	2,241	583,787	63.7%
2026-07-14	272,584	365	553,920	49.2%
2026-07-13	402,452	4,582	687,095	58.6%
2026-07-10	341,702	1,235	577,401	59.2%
2026-07-09	582,374	507	1,107,712	52.6%
2026-07-08	316,665	1,357	570,184	55.5%
2026-07-07	220,796	2,557	507,267	43.5%
2026-07-06	335,869	784	567,694	59.2%
2026-07-02	265,479	239	619,347	42.9%
2026-07-01	295,873	1,453	590,240	50.1%
2026-06-30	145,102	977	395,052	36.7%
2026-06-29	208,866	1,033	518,699	40.3%
2026-06-26	308,368	1,165	623,584	49.5%
2026-06-25	228,708	109	614,326	37.2%
2026-06-24	357,502	1,070	814,908	43.9%
2026-06-23	182,066	1,595	519,269	35.1%
2026-06-22	163,950	2,639	442,033	37.1%
2026-06-18	237,592	5,920	531,406	44.7%

Showing 1–50 of 63 days

Key facts CIK 11544 CUSIP 084423102 13F (30d) 644 filings 602 filers Visit website Investor relations