BlackRock, Inc. (BLK) SEC filings

BLK SEC filings moved a median of +0.05% by the close. BLK SEC filings — 10-K, 10-Q, 8-K and the rest — each read against the price at its own news timestamp. Back to the BLK overview →

66 measured BLK SEC filing events.

Where these BLK SEC filings landedvs 66 measured BLK SEC filing reactions
BLK SEC filingMiddle 50% · -0.61% to +0.77%Zero: 0.00%Median: +0.05%Median +0.05%-1.00%0+1.00%
Middle 50% of BLK SEC filing reactions-0.61% to +0.77%
Median reaction (to close)+0.05%
Measured reactions66
Point-in-time · zero look-ahead

Half of the 66 BLK SEC filing events with a measured close landed between -0.61% and +0.77%; 53% closed up.

DateHeadlineEvent5-minTo close
Form 8-K BlackRock, Inc. For: Oct 14SEC filing · Form 8-K+0.71%-1.72%
Form N-PX BlackRock, Inc. For: Jun 30SEC filing · Form N-PX-0.02%-1.09%
Form 13F-HR BlackRock, Inc. For: Jun 30SEC filing · Form 13F-HR+0.02%+0.59%
Form 10-Q BlackRock, Inc. For: Jun 30SEC filing · Form 10-Q-0.04%+0.17%
Form 8-K BlackRock, Inc. For: Jul 15SEC filing · Form 8-K-0.65%-1.15%
Form 8-K BlackRock, Inc. For: Jun 30SEC filing · Form 8-K+0.46%+2.08%
Form 8-K BlackRock, Inc. For: May 20SEC filing · Form 8-K+0.06%-0.18%
Form 13F-HR BlackRock, Inc. For: Mar 31SEC filing · Form 13F-HR+0.04%-0.15%
Form 10-Q BlackRock, Inc. For: Mar 31SEC filing · Form 10-Q-0.17%-0.46%
Form IRANNOTICE BlackRock, Inc.SEC filing · Form IRANNOTICE+0.01%-0.32%
Form DEFA14A BlackRock, Inc.SEC filing · Form DEFA14A-0.36%-2.77%
Form 8-K BlackRock, Inc. For: Apr 14SEC filing · Form 8-K-0.10%+0.43%
Form ARS BlackRock, Inc. For: Dec 31SEC filing · Form ARS+0.34%+3.11%
Form DEF 14A BlackRock, Inc. For: May 20SEC filing · Form DEF+0.34%+3.11%
Form DEFA14A BlackRock, Inc.SEC filing · Form DEFA14A+0.34%+3.11%
Form 8-K BlackRock, Inc. For: Mar 31SEC filing · Form 8-K+0.33%-0.18%
Form PRE 14A BlackRock, Inc. For: May 20SEC filing · Form PRE+0.06%-0.57%
Form DEFA14A BlackRock, Inc.SEC filing · Form DEFA14A-0.34%+1.55%
Form 10-K BlackRock, Inc. For: Dec 31SEC filing · Form 10-K+0.28%-0.89%
Form IRANNOTICE BlackRock, Inc.SEC filing · Form IRANNOTICE+0.28%-0.89%
Form 13F-HR BlackRock, Inc. For: Dec 31SEC filing · Form 13F-HR+0.34%+2.88%
Form 8-K BlackRock, Inc. For: Jan 27SEC filing · Form 8-K+0.14%+1.42%
Form 8-K BlackRock, Inc. For: Jan 13SEC filing · Form 8-K+0.02%-2.97%
Form 8-K BlackRock, Inc. For: Jan 15SEC filing · Form 8-K+1.12%+2.02%
Form 13F-HR BlackRock, Inc. For: Sep 30SEC filing · Form 13F-HR-0.04%-0.07%
Form 10-Q BlackRock, Inc. For: Sep 30SEC filing · Form 10-Q+0.42%-0.02%
Form CERT BlackRock Finance, Inc.SEC filing · Form CERT+0.33%-1.61%
Form 15-12G BlackRock Finance, Inc.SEC filing · Form 15-12G-0.12%+0.90%
Form 8-K BlackRock Finance, Inc. For: Oct 01SEC filing · Form 8-K+0.06%+0.53%
Form POSASR BlackRock Finance, Inc.SEC filing · Form POSASR-0.22%-0.04%
Form S-8 POS BlackRock Finance, Inc.SEC filing · Form S-8-0.57%+1.85%
Form 25 BlackRock Inc.SEC filing · Form 25-0.13%+0.77%
Form 8-K BlackRock Inc. For: Sep 13SEC filing · Form 8-K+0.40%+0.77%
Form N-PX BlackRock Inc. For: Jun 30SEC filing · Form N-PX+0.00%+0.21%
Form 13F-HR BlackRock Inc. For: Jun 30SEC filing · Form 13F-HR+0.11%+0.17%
Form 10-Q BlackRock Inc. For: Jun 30SEC filing · Form 10-Q+0.01%+0.01%
Form 8-K BlackRock Inc. For: Jul 26SEC filing · Form 8-K-0.32%+0.48%
Form 8-K BlackRock Inc. For: Jul 17SEC filing · Form 8-K-1.03%-0.36%
Form 8-K BlackRock Inc. For: Jul 17SEC filing · Form 8-K-0.55%-0.62%
Form 8-K BlackRock Inc. For: Jul 15SEC filing · Form 8-K-0.94%-1.31%
Form 8-K BlackRock Inc. For: Jun 30SEC filing · Form 8-K+0.11%-1.08%
Form 8-K BlackRock Inc. For: May 31SEC filing · Form 8-K-0.94%-0.27%
Form S-8 BlackRock Inc.SEC filing · Form S-8+0.11%-0.49%
Form 8-K BlackRock Inc. For: May 15SEC filing · Form 8-K+0.03%-0.47%
Form 13F-HR BlackRock Inc. For: Mar 31SEC filing · Form 13F-HR-0.09%+0.00%
Form 10-Q BlackRock Inc. For: Mar 31SEC filing · Form 10-Q-0.01%-0.27%
Form DEFA14A BlackRock Inc.SEC filing · Form DEFA14A-0.10%+0.77%
Form 8-K BlackRock Inc. For: Apr 12SEC filing · Form 8-K-0.30%-3.00%
Form S-3ASR BlackRock Inc.SEC filing · Form S-3ASR-0.67%-1.28%
Form DEFA14A BlackRock Inc.SEC filing · Form DEFA14A+0.06%+0.23%
Form ARS BlackRock Inc. For: Dec 31SEC filing · Form ARS-0.15%+0.49%
Form DEF 14A BlackRock Inc. For: May 15SEC filing · Form DEF-0.15%+0.49%
Form DEFA14A BlackRock Inc.SEC filing · Form DEFA14A-0.15%+0.49%
Form 8-K BlackRock Inc. For: Mar 28SEC filing · Form 8-K-0.48%-0.98%
Form DEFA14A BlackRock Inc.SEC filing · Form DEFA14A-0.48%-0.98%
Form DEFA14A BlackRock Inc.SEC filing · Form DEFA14A+0.42%+1.01%
Form 8-K BlackRock Inc. For: Mar 12SEC filing · Form 8-K-0.15%-0.74%
Form 8-K BlackRock Inc. For: Mar 14SEC filing · Form 8-K+1.11%+0.12%
Form 8-K BlackRock Inc. For: Mar 05SEC filing · Form 8-K+0.02%-0.75%
Form 10-K BlackRock Inc. For: Dec 31SEC filing · Form 10-K+0.07%+0.10%
Form POSASR BlackRock Inc.SEC filing · Form POSASR-0.23%+0.83%
Form 13F-HR BlackRock Inc. For: Dec 31SEC filing · Form 13F-HR+0.01%+0.84%
Form 8-K BlackRock Inc. For: Jan 12SEC filing · Form 8-K+0.94%+1.86%
Form 13F-HR BlackRock Inc. For: Sep 30SEC filing · Form 13F-HR+0.06%+0.17%
Form 8-K BlackRock Inc. For: Nov 07SEC filing · Form 8-K+0.29%+1.01%
Form 10-Q BlackRock Inc. For: Sep 30SEC filing · Form 10-Q+0.07%+0.27%
That’s how BLK usually reacts to SEC filings — get an email when it moves on news →
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Other Financial Services names and their SEC filings

TickerEventsMedian 30-min% positive
ING Group, N.V. (ING)793+0.02%51%
BRIDGE BANCORP (BDGE)7900.00%48%
Northern Trust Corporation (NTRS)778+0.01%51%
Prudential Financial, Inc. (PRU)772+0.06%55%

Same sector, same measurement: percent move vs. the price at the news timestamp, read at 30 minutes. Sample sizes differ, so the medians are comparable but the confidence behind them is not. These are each name’s all-news baseline, not its SEC filings — that is what the link opens.