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BlackRock (BLK) Short Interest Ratio & Short Volume

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$992.76 -4.95 (-0.50%)
As of 10:28 AM Eastern
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BlackRock Short Interest Data

BlackRock (BLK) has a short interest of 1.70 million shares, representing 1.18% of the float (the number of shares available for trading by the public). This marks a -12.82% decrease in short interest from the previous month. The short interest ratio (days to cover) is 1.9, indicating that it would take 1.9 days of the average trading volume of 860,914 shares to cover all short positions.

Current Short Interest
1,700,000 shares
Previous Short Interest
1,950,000 shares
Change Vs. Previous Month
-12.82%
Dollar Volume Sold Short
$1.55 billion
Short Interest Ratio
1.9 Days to Cover
Last Record Date
April 30, 2025
Outstanding Shares
154,926,000 shares
Float Size
143,700,000 shares
Short Percent of Float
1.18%
Today's Trading Volume
68,582 shares
Average Trading Volume
860,914 shares
Today's Volume Vs. Average
8%
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Short Interest ChartDays to Cover ChartShort Percent of Float Chart

BLK Short Interest Over Time

BLK Days to Cover Over Time

BLK Percentage of Float Shorted Over Time

BlackRock Short Interest History

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Report DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date
4/30/20251,700,000 shares $1.55 billion -12.8%1.2%1.9 $914.67
4/15/20251,950,000 shares $1.73 billion +32.7%1.4%2.1 $889.21
3/31/20251,470,000 shares $1.39 billion -22.6%1.0%1.5 $947.45
3/15/20251,900,000 shares $1.76 billion +16.6%1.3%2.1 $928.74
2/28/20251,630,000 shares $1.60 billion +11.6%1.1%2 $979.44
2/15/20251,460,000 shares $1.42 billion -7.0%1.0%1.8 $973.22
1/31/20251,570,000 shares $1.69 billion +18.9%1.1%2.1 $1,075.83
1/15/20251,320,000 shares $1.34 billion -2.9%0.9%1.9 $1,012.62
12/31/20241,360,000 shares $1.39 billion -13.9%1.0%2.1 $1,025.11
12/15/20241,580,000 shares $1.67 billion -18.1%1.1%2.5 $1,056.54
11/30/20241,930,000 shares $1.97 billion -9.8%1.4%3.3 $1,022.80
11/15/20242,140,000 shares $2.24 billion +4.4%1.5%3.9 $1,046.87
10/31/20242,050,000 shares $2.01 billion +4.6%1.4%4.1 $980.60
10/15/20241,960,000 shares $1.97 billion +8.9%1.4%3.9 $1,007.00
9/30/20241,800,000 shares $1.71 billion -1.1%1.2%3.4 $949.50
9/15/20241,820,000 shares $1.61 billion -2.2%1.2%3.4 $885.73
8/31/20241,860,000 shares $1.68 billion +22.4%1.3%3.5 $901.81
8/15/20241,520,000 shares $1.33 billion +4.1%1.0%2.7 $872.46
7/31/20241,460,000 shares $1.28 billion -7.0%1.0%2.4 $876.65
7/15/20241,570,000 shares $1.29 billion -7.7%1.1%2.7 $822.95
6/30/20241,700,000 shares $1.34 billion +2.4%1.2%2.9 $787.32
6/15/20241,660,000 shares $1.28 billion -11.2%1.1%2.8 $769.33
5/31/20241,870,000 shares $1.44 billion +10.0%1.3%3 $770.75
5/15/20241,700,000 shares $1.39 billion +4.3%1.2%2.8 $815.70
4/30/20241,630,000 shares $1.23 billion -3.6%1.1%2.7 $754.90
4/15/20241,690,000 shares $1.29 billion -7.1%1.2%2.7 $762.99
3/31/20241,820,000 shares $1.52 billion +2.3%1.2%3 $833.70
3/15/20241,780,000 shares $1.43 billion +12.7%1.2%3.1 $802.52
2/29/20241,580,000 shares $1.28 billion +17.0%1.1%2.5 $810.66
2/15/20241,350,000 shares $1.08 billion -22.9%0.9%2.1 $798.11
1/31/20241,750,000 shares $1.36 billion +2.3%1.2%2.7 $774.31
1/15/20241,710,000 shares $1.37 billion -16.6%1.2%2.5 $799.60
12/31/20232,050,000 shares $1.66 billion -4.2%1.4%3.1 $811.80
12/15/20232,140,000 shares $1.72 billion +20.2%1.5%3.1 $805.63
11/30/20231,780,000 shares $1.34 billion +48.3%1.2%2.7 $751.54
11/15/20231,200,000 shares $850.15 million -20.5%0.8%1.9 $708.46
10/31/20231,510,000 shares $924.54 million -14.2%1.0%2.5 $612.28
10/15/20231,760,000 shares $1.10 billion -20.4%1.2%3.1 $627.66
9/30/20232,210,000 shares $1.43 billion -15.3%1.5%3.9 $646.49
9/15/20232,610,000 shares $1.82 billion +5.2%1.8%4.7 $697.54
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8/31/20232,480,000 shares $1.74 billion +4.2%1.7%4.6 $700.54
8/15/20232,380,000 shares $1.60 billion +8.7%1.6%4 $672.82
7/31/20232,190,000 shares $1.62 billion +3.8%1.5%3.5 $739.12
7/15/20232,110,000 shares $1.54 billion +14.7%1.4%3.3 $728.03
6/30/20231,840,000 shares $1.27 billion -12.4%1.3%3 $691.47
6/15/20232,100,000 shares $1.49 billion -3.7%1.4%3.5 $711.20
5/31/20232,180,000 shares $1.43 billion -0.5%1.5%3.3 $657.85
5/15/20232,190,000 shares $1.41 billion No Change1.5%3.3 $644.75
4/30/20232,190,000 shares $1.47 billion +1.4%1.5%3.4 $671.20
4/15/20232,160,000 shares $1.49 billion -7.7%1.5%3.2 $691.33
3/31/20232,340,000 shares $1.57 billion -11.7%1.6%3.3 $669.12
3/15/20232,650,000 shares $1.67 billion +4.3%1.8%3.7 $631.74
2/28/20232,540,000 shares $1.75 billion -0.8%1.7%3.6 $689.43
2/15/20232,560,000 shares $1.85 billion +2.0%1.7%3.5 $724.19
1/31/20232,510,000 shares $1.91 billion -8.1%1.7%3.2 $759.21
1/15/20232,730,000 shares $2.06 billion -11.7%1.9%3.3 $753.99
12/30/20223,090,000 shares $2.19 billion +3.0%2.1%3.6 $708.63
12/15/20223,000,000 shares $2.09 billion -6.0%2.0%3.4 $698.18
11/30/20223,190,000 shares $2.28 billion -0.9%2.2%3.5 $716.00
11/15/20223,220,000 shares $2.38 billion -9.6%2.2%3.8 $740.31
10/31/20223,560,000 shares $2.30 billion +7.6%2.4%4.4 $645.91
10/15/20223,310,000 shares $1.82 billion +10.3%2.2%4.3 $550.95
9/30/20223,000,000 shares $1.65 billion -3.5%2.0%4.2 $550.28
9/15/20223,110,000 shares $1.97 billion +22.0%2.1%4.5 $632.34
8/31/20222,550,000 shares $1.70 billion -4.1%1.7%3.7 $666.39
8/15/20222,660,000 shares $2.01 billion +16.2%1.8%3.4 $755.82
7/31/20222,290,000 shares $1.53 billion +7.5%1.5%2.6 $669.18
7/15/20222,130,000 shares $1.28 billion -6.6%1.4%2.2 $600.37
6/30/20222,280,000 shares $1.39 billion +6.1%1.6%2.4 $609.04
6/15/20222,150,000 shares $1.29 billion -3.6%1.5%2.2 $599.90
5/31/20222,230,000 shares $1.49 billion +8.8%1.6%2.3 $669.08
5/15/20222,050,000 shares $1.26 billion +13.3%1.5%2.2 $615.33
4/30/20221,810,000 shares $1.13 billion +10.4%1.3%2 $624.68
4/15/20221,640,000 shares $1.13 billion -0.6%1.2%1.9 $688.17
3/31/20221,650,000 shares $1.26 billion -1.2%1.2%1.9 $764.17
3/15/20221,670,000 shares $1.18 billion +10.6%1.2%2 $707.67
2/28/20221,510,000 shares $1.12 billion -4.4%1.1%2 $743.89
2/15/20221,580,000 shares $1.23 billion -11.7%1.1%2.2 $781.19
1/31/20221,790,000 shares $1.47 billion +25.2%1.3%2.8 $822.94
1/15/20221,430,000 shares $1.21 billion -4.0%1.0%2.5 $848.60
12/31/20211,490,000 shares $1.36 billion -8.6%1.1%2.8 $915.56
12/15/20211,630,000 shares $1.49 billion +14.8%1.2%3.1 $914.91
11/30/20211,420,000 shares $1.28 billion -8.4%1.0%2.6 $904.61
11/15/20211,550,000 shares $1.48 billion -3.7%1.1%3.1 $953.24
10/29/20211,610,000 shares $1.52 billion -5.9%1.1%3.4 $943.46
10/15/20211,710,000 shares $1.55 billion -1.7%1.2%3.6 $907.26
9/30/20211,740,000 shares $1.46 billion +8.8%1.2%3.5 $838.66
9/15/20211,600,000 shares $1.46 billion +7.4%1.1%3.2 $909.65
8/31/20211,490,000 shares $1.41 billion -8.0%1.1%3 $943.29
8/13/20211,620,000 shares $1.49 billion -1.2%1.1%3.1 $916.86
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7/30/20211,640,000 shares $1.42 billion +1.2%1.2%3 $867.17
7/15/20211,620,000 shares $1.43 billion +13.3%1.1%2.9 $880.00
6/30/20211,430,000 shares $1.25 billion -14.4%1.0%2.6 $874.97
6/15/20211,670,000 shares $1.47 billion -13.9%1.2%3.2 $881.01
5/28/20211,940,000 shares $1.70 billion +2.1%1.4%3.5 $877.04
5/14/20211,900,000 shares $1.59 billion +5.6%1.3%3.2 $838.99
4/30/20211,800,000 shares $1.49 billion -10.0%1.3%2.9 $827.32
4/15/20212,000,000 shares $1.60 billion -4.3%1.4%3.1 $801.07
3/31/20212,090,000 shares $1.57 billion +9.4%1.5%3 $749.26
3/15/20211,910,000 shares $1.37 billion +29.9%1.3%2.7 $716.19
2/26/20211,470,000 shares $1.02 billion -13.5%1.0%2.1 $694.79
2/12/20211,700,000 shares $1.23 billion -2.9%1.2%2.5 $721.43
1/29/20211,750,000 shares $1.26 billion -5.4%1.2%2.7 $719.91
1/15/20211,850,000 shares $1.38 billion +14.9%1.3%2.9 $743.50
12/31/20201,610,000 shares $1.14 billion +5.2%1.1%2.7 $708.94
12/15/20201,530,000 shares $1.05 billion -1.9%1.1%2.5 $683.92
11/30/20201,560,000 shares $1.12 billion +15.6%1.1%2.4 $715.11
11/15/20201,350,000 shares $904.19 million +16.4%1.0%2.1 $669.77
10/30/20201,160,000 shares $698.70 million -12.8%0.8%1.8 $602.33
10/15/20201,330,000 shares $851.00 million +9.9%0.9%2.2 $639.85
9/30/20201,210,000 shares $681.90 million -7.6%0.9%2 $563.55
9/15/20201,310,000 shares $718.09 million -11.5%0.9%2 $548.16
8/31/20201,480,000 shares $879.40 million +8.0%1.0%2.3 $594.19
8/14/20201,370,000 shares $806.19 million -22.6%1.0%1.9 $588.46
7/31/20201,770,000 shares $1.02 billion -2.8%1.2%1.4 $575.01
7/15/20201,820,000 shares $1.03 billion -11.7%1.3%1.4 $568.59
6/30/20202,060,000 shares $1.10 billion -10.8%1.4%1.5 $532.87
6/15/20202,310,000 shares $1.25 billion -14.8%1.5%1.6 $543.03
5/29/20202,710,000 shares $1.43 billion +38.3%1.8%1.8 $528.64

BLK Short Interest - Frequently Asked Questions

What is BlackRock's current short interest?

Short interest is the volume of BlackRock shares that have been sold short but have not yet been covered or closed out. As of April 30th, traders have sold 1,700,000 shares of BLK short. 1.18% of BlackRock's shares are currently sold short. Learn More on BlackRock's current short interest.

What is a good short interest ratio for BlackRock?

The short interest ratio, also known as the "days to cover ratio", is calculated by dividing the number of shares of a stock sold short divided by its average trading volume. A short interest ratio ranging between 1 and 4 generally indicates strong positive sentiment about a stock and a lack of short sellers. A short interest ratio of 10 or greater indicates strong pessimism about a stock. BLK shares currently have a short interest ratio of 2.0. Learn More on BlackRock's short interest ratio.

Which institutional investors are shorting BlackRock?

As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of BlackRock: Jane Street Group LLC, Goldman Sachs Group Inc., Parallax Volatility Advisers L.P., Millennium Management LLC, Interval Partners LP, Cubist Systematic Strategies LLC, Twin Tree Management LP, HAP Trading LLC, Itau Unibanco Holding S.A., BNP Paribas Financial Markets, Eisler Capital Management Ltd., PEAK6 LLC, Jane Street Group LLC, Walleye Trading LLC, Walleye Capital LLC, Capital Fund Management S.A., Garda Capital Partners LP, Credit Agricole S A, Hsbc Holdings PLC, Maven Securities LTD, Simplex Trading LLC, Wolverine Asset Management LLC, Citigroup Inc., Delta Accumulation LLC, LPL Financial LLC, Readystate Asset Management LP, Allianz Asset Management GmbH, Fulcrum Asset Management LLP, and SG Americas Securities LLC. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission.

What is a good short interest percentage for BlackRock?

Companies that have a short interest as a percentage of float below 10% indicates positive investor sentiment and few short sellers. Stocks with a short interest percentage above 10% is considered high, suggesting some investors are pessimistic about the stock. Companies with a short interest percentage of 20% or more indicates widespread negative sentiment. 1.18% of BlackRock's floating shares are currently sold short.

Is BlackRock's short interest increasing or decreasing?

BlackRock saw a decrease in short interest during the month of April. As of April 30th, there was short interest totaling 1,700,000 shares, a decrease of 12.8% from the previous total of 1,950,000 shares. Changes in short volume can be used to identify positive and negative investor sentiment. Investors that short sell a stock are betting that its price will decline in the future. An increase in short sale volume suggests bearish (negative) sentiment among investors. A decrease on short sale volume suggests bullish (positive) sentiment.

What is BlackRock's float size?

BlackRock currently has issued a total of 154,926,000 shares. Some of BlackRock's outstanding shares are available for trading, while others are subject to various restrictions. The public float, also referred to as floating shares or "the float", are shares that publicly owned, unrestricted and available to trade on the open market. BlackRock currently has a public float of 143,700,000 shares.

How does BlackRock's short interest compare to its competitors?

1.18% of BlackRock's shares are currently sold short. Here is how the short interest of companies compare to BlackRock: The Bank of New York Mellon Co. (1.09%), Ameriprise Financial, Inc. (1.61%), State Street Co. (1.78%), T. Rowe Price Group, Inc. (4.83%), Northern Trust Co. (2.81%), Ares Capital Co. (2.63%), Franklin Resources, Inc. (8.50%), SEI Investments (3.65%), Invesco Ltd. (3.24%), Affiliated Managers Group, Inc. (2.68%),

Which stocks are the most shorted right now?

As of the most recent reporting period, the following stocks had the largest short interest positions: Spotify Technology S.A. ($4.67 billion), Charter Communications, Inc. ($4.58 billion), Capital One Financial Co. ($4.47 billion), The Kroger Co. ($2.56 billion), Reddit, Inc. ($2.23 billion), Rivian Automotive, Inc. ($2.16 billion), Live Nation Entertainment, Inc. ($1.90 billion), SoFi Technologies, Inc. ($1.85 billion), Zscaler, Inc. ($1.75 billion), and Omnicom Group Inc. ($1.75 billion). View all of the most shorted stocks.

What does it mean to sell short BlackRock stock?

Short selling BLK is an investing strategy that aims to generate trading profit from BlackRock as its price is falling. BLK shares are trading up $4.58 today. To short a stock, an investor borrows shares, sells them and buys the shares back on the public market later to return it to the lender. Short sellers are betting that a stock will decline in price. If the stock does drop after selling, the short seller buys it back at a lower price and returns it to the lender. The difference between the sell price and the buy price is the trader's profit.

How does a short squeeze work against BlackRock?

A short squeeze for BlackRock occurs when it has a large amount of short interest and its stock increases in price. This forces short sellers to cover their short interest positions by buying actual shares of BLK, which in turn drives the price of the stock up even further.

How often is BlackRock's short interest reported?

Short interest is typically published by a stock exchange once per month. However, NASDAQ publishes a report for U.S. stocks, including BLK, twice per month. The most recent reporting period available is April, 30 2025.



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This page (NYSE:BLK) was last updated on 5/21/2025 by MarketBeat.com Staff
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