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Boston Scientific Corp

BSX
Exchange
NYSE
Industry
Surgical & Medical Instruments & Apparatus
SEC CIK
0000885725

In the last 90 days, Boston Scientific Corp insiders filed 5 open-market purchases and 0 sales; 1,486 institutions reported holding it in 13F filings for Q2 2026, worth $57.3B in total; Maverick Capital is the only superinvestor holding it.

13F holders, Q1 2023

Institutional positions in Boston Scientific Corp as of Mar 31, 2023. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
1,000
+89 vs. Q4 2022
Shares held
1.31B
+7.25M (+0.6%) vs. Q4 2022
Total value
$65.7B
+$5.30B (+8.8%) vs. Q4 2022
New holders
140
391 more added
Sold out
51
319 more reduced

19 institutions that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2022: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting BSX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2023: 1,000 institutions
Q1 2021: 836 institutionsQ2 2021: 873 institutionsQ3 2021: 884 institutionsQ4 2021: 892 institutionsQ1 2022: 909 institutionsQ2 2022: 882 institutionsQ3 2022: 866 institutionsQ4 2022: 930 institutionsQ1 2023: 1,000 institutionsQ2 2023: 1,069 institutionsQ3 2023: 1,060 institutionsQ4 2023: 1,151 institutionsQ1 2024: 1,227 institutionsQ2 2024: 1,325 institutionsQ3 2024: 1,403 institutionsQ4 2024: 1,520 institutionsQ1 2025: 1,649 institutionsQ2 2025: 1,694 institutionsQ3 2025: 1,715 institutionsQ4 2025: 1,794 institutionsQ1 2026: 1,683 institutionsQ2 2026: 1,486 institutions
Value heldQ1 2023: $65.7B
Q1 2021: $49.9BQ2 2021: $55.3BQ3 2021: $56.6BQ4 2021: $54.8BQ1 2022: $57.0BQ2 2022: $48.6BQ3 2022: $50.9BQ4 2022: $60.5BQ1 2023: $65.7BQ2 2023: $71.6BQ3 2023: $70.6BQ4 2023: $77.3BQ1 2024: $90.9BQ2 2024: $102.2BQ3 2024: $111.0BQ4 2024: $119.8BQ1 2025: $135.2BQ2 2025: $145.4BQ3 2025: $131.1BQ4 2025: $130.0BQ1 2026: $84.2BQ2 2026: $57.3B
Institutions holding BSX and their total value by quarter
QuarterHoldersValue
Q2 20261,486$57.3B
Q1 20261,683$84.2B
Q4 20251,794$130.0B
Q3 20251,715$131.1B
Q2 20251,694$145.4B
Q1 20251,649$135.2B
Q4 20241,520$119.8B
Q3 20241,403$111.0B
Q2 20241,325$102.2B
Q1 20241,227$90.9B
Q4 20231,151$77.3B
Q3 20231,060$70.6B
Q2 20231,069$71.6B
Q1 20231,000$65.7B
Q4 2022930$60.5B
Q3 2022866$50.9B
Q2 2022882$48.6B
Q1 2022909$57.0B
Q4 2021892$54.8B
Q3 2021884$56.6B
Q2 2021873$55.3B
Q1 2021836$49.9B

Institutions, Q1 2023

Shares, value and share of portfolio for each institution holding Boston Scientific Corp; share changes are against Q4 2022.

Institutions holding BSX in Q1 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Raymond James Financial Services Advisors, Inc.365,800$18.3M0.03%+67,007+22.4%Added
MetLife Investment Management369,537$18.5M0.13%−4,428−1.2%Reduced
Miura Global Management, LLC370,000$18.5M10.76%+90,000+32.1%Added
Cullen/Frost Bankers, Inc.370,487$18.5M0.34%+3,607+1.0%Added
Amalgamated Bank375,939$18.8M0.16%+2,191+0.6%Added
American International Group, Inc.376,016$18.8M0.12%+1,654+0.4%Added
Allianz Asset Management GmbH379,668$19.0M0.04%+124,217+48.6%Added
Candriam Luxembourg S.C.A.412,725$19.0M0.13%+16,847+4.3%Added
Alberta Investment Management Corp386,227$19.3M0.19%−13,629−3.4%Reduced
Arizona State Retirement System391,082$19.6M0.18%+1,007+0.3%Added
Teachers Retirement System of the State of Kentucky391,876$19.6M0.20%−38,000−8.8%Reduced
State of Michigan Retirement System393,308$19.7M0.13%+4,000+1.0%Added
Natixis405,643$20.3M0.19%+212,591+110.1%Added
Nexus Investment Management ULC408,234$20.4M2.25%−2,500−0.6%Reduced
Zurich Insurance Group Ltd421,108$21.1M0.26%+421,108New
Mackenzie Financial Corp421,331$21.1M0.03%+240,903+133.5%Added
Retirement Systems of Alabama423,352$21.2M0.09%−35,505−7.7%Reduced
Robeco Schweiz AG423,891$21.2M0.34%00.0%Unchanged
Zurcher Kantonalbank (Zurich Cantonalbank)424,632$21.2M0.10%+19,914+4.9%Added
Parkman Healthcare Partners LLC428,231$21.4M4.66%+60,298+16.4%Added
Associated Banc-Corp444,716$22.2M0.89%+3,584+0.8%Added
US Bancorp446,747$22.4M0.04%−10,247−2.2%Reduced
Sirios Capital Management L P457,823$22.9M4.04%−96,589−17.4%Reduced
SG Americas Securities, LLC464,553$23.2M0.31%+436,458+1,553.5%Added
Manning & Napier Group, LLC468,199$23.4M0.27%+102,028+27.9%Added
D. E. Shaw & Co., Inc.471,755$23.6M0.04%−355,371−43.0%Reduced
Senator Investment Group LP500,000$25.0M1.38%+500,000New
DnB Asset Management AS501,178$25.1M0.16%−167,114−25.0%Reduced
Handelsbanken Fonder AB504,509$25.2M0.15%+15,412+3.2%Added
Royal London Asset Management Ltd507,004$25.4M0.10%−4,475−0.9%Reduced
National Bank of Canada511,910$25.6M0.07%+277,333+118.2%Added
Cerity Partners LLC474,348$25.6M0.12%+25,967+5.8%Added
Victory Capital Management Inc531,442$26.6M0.03%−24,322−4.4%Reduced
Vontobel Holding Ltd.532,450$26.6M0.25%−69,316−11.5%Reduced
Polar Asset Management Partners Inc.535,900$26.8M0.47%00.0%Unchanged
Osterweis Capital Management Inc550,810$27.6M1.87%−104,155−15.9%Reduced
Schonfeld Strategic Advisors LLC565,115$28.3M0.27%+100,225+21.6%Added
Tekla Capital Management LLC565,990$28.3M1.08%−191,025−25.2%Reduced
Tocqueville Asset Management L.P.588,066$29.4M0.56%−37,765−6.0%Reduced
La Banque Postale Asset Management SA591,799$29.6M0.75%+10,617+1.8%Added
Balyasny Asset Management LLC594,018$29.7M0.10%+594,018New
Rhenman & Partners Asset Management AB600,000$29.8M3.27%+15,000+2.6%Added
First Manhattan Co600,217$30.0M0.12%−468−0.1%Reduced
Criteria Caixa, S.A.U.620,647$31.1M3.79%00.0%Unchanged
DekaBank Deutsche Girozentrale647,783$32.0M0.08%−9,790−1.5%Reduced
ZWJ Investment Counsel Inc643,429$32.2M1.78%−10,417−1.6%Reduced
Treasurer of the State of North Carolina644,604$32.3M0.18%+4,040+0.6%Added
Caisse de Depot Et Placement du Quebec648,937$32.5M0.09%−332,300−33.9%Reduced
Asset Management One Co.,Ltd.660,640$33.1M0.15%+16,525+2.6%Added
CIBC World Markets Corp682,930$34.2M0.56%+514,540+305.6%Added
BNP Paribas Arbitrage, SA695,284$34.8M0.08%+13,399+2.0%Added
Factory Mutual Insurance Co697,300$34.9M0.55%−28,800−4.0%Reduced
Employees Retirement System of Texas715,000$35.8M0.52%+715,000New
American Century Companies Inc729,781$36.5M0.03%+11,387+1.6%Added
Susquehanna Fundamental Investments, LLC737,422$36.9M0.86%−142,232−16.2%Reduced
Diamond Hill Capital Management Inc749,559$37.5M0.18%−14,004−1.8%Reduced
Gateway Investment Advisers LLC795,423$39.8M0.49%+93,712+13.4%Added
Ci Investments Inc.796,888$39.9M0.20%+64,615+8.8%Added
Hardman Johnston Global Advisors LLC815,740$40.8M1.33%−3,500−0.4%Reduced
Epoch Investment Partners, Inc.817,324$40.9M0.24%−227,336−21.8%Reduced
Northwestern Mutual Wealth Management Co824,362$41.2M0.06%−45,852−5.3%Reduced
State of New Jersey Common Pension Fund D826,987$41.4M0.15%+9,469+1.2%Added
Public Employees Retirement System of Ohio829,472$41.5M0.17%−16,366−1.9%Reduced
Chevy Chase Trust Holdings, Inc.832,347$41.6M0.16%+8,058+1.0%Added
Mitsubishi UFJ Trust & Banking Corp834,094$41.7M0.10%+7,097+0.9%Added
Bradley Foster & Sargent Inc843,164$42.2M1.01%+4,742+0.6%Added
Avidity Partners Management LP850,000$42.5M1.41%−2,406,700−73.9%Reduced
Envestnet Asset Management Inc854,869$42.8M0.02%+71,824+9.2%Added
Woodline Partners LP883,028$44.2M0.62%−470,376−34.8%Reduced
Russell Investments Group, Ltd.884,179$44.2M0.09%−127,508−12.6%Reduced
First Republic Investment Management, Inc.887,244$44.4M0.09%+4,624+0.5%Added
Storebrand Asset Management AS943,515$47.2M0.24%+25,068+2.7%Added
TD Asset Management Inc948,980$47.5M0.06%+236,286+33.2%Added
Formuepleje A/S957,687$47.9M3.51%+49,271+5.4%Added
Harvest Portfolios Group Inc.1,030,861$51.6M2.53%+9,345+0.9%Added
Natixis Advisors, L.P.1,032,011$51.6M0.18%−1,771−0.2%Reduced
Great West Life Assurance Co1,052,015$52.7M0.13%−2,357−0.2%Reduced
Skandinaviska Enskilda Banken AB (publ)1,064,944$53.3M0.37%−63,790−5.7%Reduced
Manufacturers Life Insurance Company, The1,071,864$53.6M0.03%+16,563+1.6%Added
Calamos Advisors LLC1,080,021$54.0M0.27%−128,640−10.6%Reduced
Jennison Associates LLC1,082,046$54.1M0.05%+1,082,046New
Atalanta Sosnoff Capital, LLC1,088,064$54.4M1.58%−10,834−1.0%Reduced
Prio Wealth Limited Partnership1,095,321$54.8M2.10%−22,733−2.0%Reduced
Nicholas Company, Inc.1,114,670$55.8M1.13%00.0%Unchanged
Nomura Asset Management Co Ltd1,122,535$56.2M0.30%+461,659+69.9%Added
Two Sigma Investments, LP1,124,239$56.2M0.17%−457,196−28.9%Reduced
Tredje AP-fonden1,129,467$56.5M0.88%+47,607+4.4%Added
Macquarie Group Ltd1,136,769$56.9M0.07%−12,391−1.1%Reduced
Viking Global Investors LPSuperinvestorViking Global Investors1,136,881$56.9M0.27%−8,391,712−88.1%Reduced
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.1,148,121$57.4M0.14%+115,599+11.2%Added
State of Wisconsin Investment Board1,172,815$58.7M0.17%+25,483+2.2%Added
APG Asset Management N.V.1,277,452$58.8M0.12%−219,458−14.7%Reduced
Toronto Dominion Bank1,235,376$61.8M0.10%+63,601+5.4%Added
STRS Ohio1,246,624$62.4M0.27%+51,156+4.3%Added
Polar Capital Holdings Plc1,253,941$62.7M0.46%−960,042−43.4%Reduced
State of Tennessee, Treasury Department1,256,830$62.9M0.28%+180,293+16.7%Added
Magnetar Financial LLC1,267,857$63.4M1.24%−545,354−30.1%Reduced
Barclays PLC1,297,242$64.9M0.07%−901,779−41.0%Reduced
Raymond James & Associates1,315,541$65.8M0.06%−37,792−2.8%Reduced
Anchor Capital Advisors LLC1,347,010$67.4M1.78%−55,314−3.9%Reduced