Latest Period
Q1 2026
Security Snapshot
BOSTON SCIENTIFIC CORP - COMMON STOCK (BSX) Institutional Ownership
CUSIP: 101137107
13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026
Institutions Reporting
1,640
Shares (Excl. Options)
1,338,123,562
Price
$62.75
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- Security type / class
- Equity / COMMON STOCK
- Symbol
- BSX on NYSE
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 1,338,123,562
- Total 13F value
- $83,957,713,276
- Portfolio coverage rank
- 0.05%
- Share change
- -26,000,155
- Value change
- -$3,214,863,382
- Number of holders
- 1,640
- Shares outstanding
- 1,486,974,182
- SEC-reported price per share
- $53.06
- Insider filing price
- $53.06
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- BSX - BOSTON SCIENTIFIC CORP - COMMON STOCK is tracked under CUSIP 101137107.
- 1640 institutions reported positions in Q1 2026.
- 3 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 1,774 to 1,640 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $129,965,272,483 to $83,957,713,276.
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
Open SEC evidence
Latest holder context comes from 1640 institutions filings for Q1 2026.
Security key
101137107
Latest holder period
Q1 2026
13F holders
1,640
13D/G owners
3
CIK / CUSIP context first
Open Q1 2026 holders
BSX full holder history
BOSTON SCIENTIFIC CORP SEC filings
BOSTON SCIENTIFIC CORP company facts
BOSTON SCIENTIFIC CORP insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 101137107:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
3
Security
BSX
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. | 7.6% | $11,610,305,379 | 113,006,671 | BlackRock, Inc. | 31 Mar 2025 | |||
| VANGUARD CAPITAL MANAGEMENT LLC | 7.5% | $6,973,232,114 | 111,127,205 | Vanguard Capital Management | 31 Mar 2026 | |||
| FMR LLC | 5.1% | -30% | $4,791,298,471 | -$2,178,778,411 | 75,835,683 | -31% | FMR LLC | 31 Mar 2026 |
As of 31 Mar 2026, 1,640 institutional investors reported holding 1,338,123,562 shares of BOSTON SCIENTIFIC CORP - COMMON STOCK (BSX). This represents 90% of the company’s total 1,486,974,182 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
52%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 8.9% | 131,822,037 | -3.1% | 0.15% | $8,271,832,842 |
| VANGUARD CAPITAL MANAGEMENT LLC | 6.5% | 96,411,568 | 0% | 0.15% | $6,049,825,893 |
| FMR LLC | 5% | 74,226,395 | -24% | 0.25% | $4,657,706,307 |
| STATE STREET CORP | 4.6% | 67,986,847 | +3.3% | 0.15% | $4,266,174,649 |
| JPMORGAN CHASE & CO | 2.2% | 33,350,157 | +31% | 0.14% | $2,098,725,515 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.2% | 33,285,757 | +2.8% | 0.13% | $2,079,209,964 |
| PRIMECAP MANAGEMENT CO/CA/ | 2.2% | 32,529,774 | +4.6% | 1.6% | $2,041,243,323 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 2% | 29,796,211 | 0% | 0.1% | $1,869,712,240 |
| D. E. Shaw & Co., Inc. | 1.6% | 24,312,352 | +116% | 1.2% | $1,525,600,089 |
| BANK OF AMERICA CORP /DE/ | 1.5% | 22,756,646 | -9.4% | 0.1% | $1,427,979,507 |
| MORGAN STANLEY | 1.5% | 22,266,664 | -3% | 0.08% | $1,397,233,394 |
| GOLDMAN SACHS GROUP INC | 1.3% | 18,891,624 | +14% | 0.16% | $1,185,449,314 |
| WELLINGTON MANAGEMENT GROUP LLP | 1.3% | 18,833,406 | +94% | 0.22% | $1,181,796,227 |
| Bollard Group LLC | 1.2% | 18,532,173 | -2.5% | 36% | $1,162,894,000 |
| JANUS HENDERSON GROUP PLC | 1.1% | 16,497,366 | +31% | 0.49% | $1,035,201,522 |
| Capital World Investors | 1% | 15,309,738 | -44% | 0.13% | $960,698,017 |
| UBS Group AG | 1% | 14,824,662 | -0.32% | 0.17% | $930,247,542 |
| FRANKLIN RESOURCES INC | 0.98% | 14,498,741 | +155% | 0.22% | $909,795,997 |
| Amundi | 0.95% | 14,122,913 | +14% | 0.24% | $886,212,794 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 0.93% | 13,891,668 | +26% | 0.47% | $871,702,167 |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.91% | 13,513,771 | +24% | 0.18% | $847,989,132 |
| NORTHERN TRUST CORP | 0.9% | 13,373,881 | -4% | 0.11% | $839,211,032 |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 0.89% | 13,229,644 | -29% | 0.76% | $830,160,128 |
| Nuveen, LLC | 0.79% | 11,734,314 | +25% | 0.2% | $736,328,204 |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 0.74% | 10,996,572 | +21% | 0.25% | $716,915,674 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
49
Latest
Q1 2026
Rows shown
1-25 of 49
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 1,338,123,562 | $83,957,713,276 | -$3,214,863,382 | $62.75 | 1,640 |
| 2025 Q4 | 1,364,153,482 | $129,965,272,483 | +$2,009,236,304 | $95.35 | 1,774 |
| 2025 Q3 | 1,341,487,089 | $130,875,772,486 | -$1,704,052,442 | $97.63 | 1,696 |
| 2025 Q2 | 1,350,469,260 | $144,909,365,677 | +$3,628,519,898 | $107.41 | 1,672 |
| 2025 Q1 | 1,319,719,292 | $132,951,280,716 | -$1,429,220,655 | $100.88 | 1,623 |
| 2024 Q4 | 1,336,447,288 | $119,402,893,829 | +$898,961,574 | $89.32 | 1,493 |
| 2024 Q3 | 1,319,791,045 | $110,607,605,021 | -$604,727,196 | $83.80 | 1,380 |
| 2024 Q2 | 1,323,973,457 | $101,892,673,929 | +$971,161,963 | $77.01 | 1,308 |
| 2024 Q1 | 1,321,450,621 | $90,499,424,621 | +$92,726,601 | $68.49 | 1,212 |
| 2023 Q4 | 1,334,348,269 | $77,147,573,144 | -$289,270,927 | $57.81 | 1,141 |
| 2023 Q3 | 1,336,011,103 | $70,501,864,978 | +$769,138,959 | $52.80 | 1,051 |
| 2023 Q2 | 1,321,983,877 | $71,464,612,043 | +$572,361,353 | $54.09 | 1,060 |
| 2023 Q1 | 1,310,486,262 | $65,583,343,883 | +$413,685,088 | $50.03 | 985 |
| 2022 Q4 | 1,312,563,025 | $60,764,615,765 | -$50,300,157 | $46.27 | 920 |
| 2022 Q3 | 1,317,827,868 | $51,134,125,498 | +$379,014,490 | $38.73 | 851 |
| 2022 Q2 | 1,301,273,810 | $48,531,856,810 | +$791,346,903 | $37.27 | 861 |
| 2022 Q1 | 1,284,370,990 | $56,925,627,023 | -$144,550,419 | $44.29 | 888 |
| 2021 Q4 | 1,287,262,264 | $54,732,603,599 | -$461,765,005 | $42.48 | 877 |
| 2021 Q3 | 1,301,929,558 | $56,513,082,497 | +$419,176,056 | $43.39 | 869 |
| 2021 Q2 | 1,291,593,374 | $55,247,883,041 | +$25,452,222 | $42.76 | 859 |
| 2021 Q1 | 1,289,673,318 | $49,858,594,810 | +$823,233,662 | $38.65 | 821 |
| 2020 Q4 | 1,267,432,349 | $45,573,153,877 | -$1,414,480,590 | $35.95 | 850 |
| 2020 Q3 | 1,307,791,752 | $49,962,859,301 | +$235,364,769 | $38.21 | 833 |
| 2020 Q2 | 1,301,131,889 | $45,692,879,720 | +$1,080,073,044 | $35.11 | 827 |
| 2020 Q1 | 1,271,871,860 | $41,518,317,080 | -$521,379,687 | $32.63 | 783 |