What is CUSIP 464287101?

CUSIP 464287101 is the security identifier used in SEC filing datasets for OEF - ISHARES TR - S&P 100 ETF.

Who owns OEF - ISHARES TR - S&P 100 ETF based on 13F filings?

992 institutions reported positions in OEF - ISHARES TR - S&P 100 ETF as of Q1 2026. Open the latest holders period and ownership history tables on this page for position-level details.

Security Snapshot

ISHARES TR - S&P 100 ETF (OEF) Institutional Ownership

CUSIP: 464287101

13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026

Latest Period

Q1 2026

Institutions Reporting

992

Shares (Excl. Options)

36,378,447

Price

$318.07

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Security type / class: Equity / S&P 100 ETF
Symbol: OEF
All holders as of 31 Mar 2026: Q1 2026
Total 13F shares: 36,378,447
Total 13F value: $11,546,694,084
Portfolio coverage rank: 0.04%
Share change: -30,034,912
Value change: -$9,571,902,955
Number of holders: 992
SEC-reported price per share: $367.62

13F Shares, Excluding Options vs Price

13F Value, Excluding Options

Total Investors

Key facts

OEF - ISHARES TR - S&P 100 ETF is tracked under CUSIP 464287101.
992 institutions reported positions in Q1 2026.
Schedule 13D/13G significant owner rows are not currently available.

Change

Holder count moved from 1,090 to 992 between Q4 2025 and Q1 2026.
SEC-reported value moved from $22,808,456,556 to $11,546,694,084.

Research use

You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Evidence

Source: SEC Form 13F

Latest holder context comes from 992 institutions filings for Q1 2026.

Open SEC evidence

Security key

464287101

Latest holder period

Q1 2026

13F holders

992

13D/G owners

CIK / CUSIP context first

Open Q1 2026 holders OEF full holder history

Broader feeds

Latest 13F filings Latest 13D/G filings All securities

Recent Quarterly Holder Reports

Open recent reporting periods for CUSIP 464287101:

Q1 2026 (992 holders) Q4 2025 (1090 holders) Q3 2025 (990 holders) Q2 2025 (930 holders) Q1 2025 (882 holders) Q4 2024 (854 holders) Q3 2024 (783 holders) Q2 2024 (755 holders) Q1 2024 (732 holders) Q4 2023 (756 holders)

As of 31 Mar 2026, 992 institutional investors reported holding 36,378,447 shares of ISHARES TR - S&P 100 ETF (OEF).

Quarter history

Institutional holders across reporting periods

Holder count, reported shares/value, and median price by quarter.

Periods

Latest

Q1 2026

Rows shown

1-25 of 49

Period	13F Shares, Excl. Options	Value, Excl. Options	Value Change	Puts Notional Value	Calls Notional Value	Price (Median)	Investors
2026 Q1	36,378,447	$11,546,694,084	-$9,571,902,955	$85,669,045	$31,320,435	$318.07	992
2025 Q4	66,514,361	$22,808,456,556	+$87,648,849	$2,537,978	$5,830,490	$342.97	1,090
2025 Q3	65,929,127	$21,859,963,642	+$5,001,657,234	$8,886,828	$10,284,756	$332.84	990
2025 Q2	50,201,060	$15,277,055,130	+$1,948,214,632	$12,752,265	$13,939,230	$304.35	930
2025 Q1	43,224,015	$11,699,667,530	+$2,979,076,890	$259,881,121	$306,628,659	$270.83	882
2024 Q4	33,499,536	$9,676,681,586	-$7,422,279	$11,554,000	$214,884,977	$288.85	854
2024 Q3	33,129,291	$9,166,750,922	+$260,392,986	$5,867,312	$2,324,784	$276.76	783
2024 Q2	32,313,317	$8,537,063,830	-$29,690,251	$2,616,570	$2,140,830	$264.30	755
2024 Q1	32,312,690	$7,985,089,321	-$2,049,854,118	$3,142,107	$2,746,251	$247.41	732
2023 Q4	40,847,715	$9,126,606,223	+$3,223,162,020	$2,814,714	$1,429,696	$223.39	756
2023 Q3	25,961,121	$5,215,222,449	-$108,888,461	$280,896	$9,169,248	$200.64	561
2023 Q2	26,453,995	$5,479,780,049	+$275,913,390	$7,247,100	$5,072,970	$207.06	547
2023 Q1	25,068,735	$4,689,681,962	-$206,451,741	$2,300,592	$3,511,272	$187.04	509
2022 Q4	25,539,659	$4,356,469,941	-$213,915,933	$665,223	$7,357,656	$170.57	499
2022 Q3	27,432,018	$4,460,777,153	+$3,322,035	$2,210,000	$8,727,000	$162.50	470
2022 Q2	26,687,230	$4,636,925,629	+$333,005,345	$1,276,000	$2,401,006	$172.47	487
2022 Q1	25,050,073	$5,224,355,424	-$149,256,669	$1,901,000	$4,508,000	$208.52	500
2021 Q4	25,938,654	$5,682,941,957	+$305,866,126	$36,372,000	$5,613,000	$219.13	507
2021 Q3	24,390,326	$4,843,358,337	+$268,472,803	$20,655,000	$4,663,000	$197.44	453
2021 Q2	23,030,203	$4,513,558,417	+$50,574,681	$18,404,000	$1,785,000	$196.18	430
2021 Q1	22,816,262	$4,100,374,416	-$586,059,217	$1,313,000	$2,641,000	$179.83	422
2020 Q4	26,141,722	$4,489,543,665	-$418,025,905	$55,869,000	$4,480,000	$171.64	420
2020 Q3	28,641,230	$4,446,049,256	-$13,868,273	$93,284,000	$9,390,000	$155.73	390
2020 Q2	28,570,518	$4,026,961,560	+$535,369,330	$40,461,000	$11,052,000	$142.42	381
2020 Q1	25,070,408	$2,965,531,981	-$1,161,915,154	$43,783,000	$5,812,000	$118.62	356