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WRB

Berkley W R Corp
$73.84 +1.65 (+2.29%) At close · Jul 13
Market Cap
$27.49B
Shares
372,276,732

Total shares sold short and not yet covered, reported to FINRA by broker-dealers and published twice a month (bi-monthly). Days to cover divides the short position by average daily volume; a high value (above 5) can signal short-squeeze potential.

Short Squeeze Score
76/100
Short interest 4.8% of shares — P71 Days to cover 7.9 — P92 Price vs VWAP +10.3% — P85 Short-volume trend +0.4% — P53 Short interest change -5.0% — P32 Worst FTD 0.00% of shares — P23 Earnings soon +10

Peer-relative percentile rank across all stocks reporting short interest at the latest settlement date (2026-06-30). Weighted mean of the available factors (short interest 30%, days to cover 20%, price vs VWAP 15%, short-volume trend 15%, short-interest change 10%, fails-to-deliver 10%) plus catalyst boosts (price spike, volume surge, earnings within days), capped at +20 and clamped to 100.

Short Interest History

Settlement Date Current Position Previous Position Change Days to Cover
2026-06-30 17,838,099 18,772,707 -934,608 7.87
2026-06-15 18,772,707 18,495,039 +277,668 8.84
2026-05-29 18,495,039 18,590,945 -95,906 6.98
2026-05-15 18,590,945 19,023,468 -432,523 11.11
2026-04-30 19,023,468 18,445,428 +578,040 7.72
2026-04-15 18,445,428 20,193,825 -1,748,397 11.15
2026-03-31 20,193,825 19,133,915 +1,059,910 7.40
2026-03-13 19,133,915 20,193,402 -1,059,487 10.85
2026-02-27 20,193,402 20,103,374 +90,028 9.02
2026-02-13 20,103,374 19,132,103 +971,271 9.67
2026-01-30 19,132,103 18,401,650 +730,453 6.46
2026-01-15 18,401,650 17,506,059 +895,591 8.05
2025-12-31 17,506,059 24,860,492 -7,354,433 6.53
2025-12-15 24,860,492 25,869,453 -1,008,961 4.95
2025-11-28 25,869,453 24,168,675 +1,700,778 14.21
2025-11-14 24,168,675 21,048,792 +3,119,883 9.01
2025-10-31 21,048,792 9,775,731 +11,273,061 5.02
2025-10-15 9,775,731 8,883,955 +891,776 5.03
2025-09-30 8,883,955 8,944,103 -60,148 4.06
2025-09-15 8,944,103 8,761,818 +182,285 6.01
2025-08-29 8,761,818 7,963,440 +798,378 6.10
2025-08-15 7,963,440 6,515,344 +1,448,096 4.01
2025-07-31 6,515,344 4,563,971 +1,951,373 2.59
2025-07-15 4,563,971 4,596,096 -32,125 2.03
Showing 1–24 of 24 settlements
Key facts CIK 11544 CUSIP 084423102 13F (30d) 80 filings 58 filers Visit website Investor relations