There is a long list of 253 institutional holders of DDD within the last two holding periods in our database of 13F filers, so we've sorted through to present to you just the top 50 institutional holders of DDD by largest to smallest position reported in the institutional investor's latest 13F filing. In the institutional-holders-of-DDD table below, the initial column indicates the name of each top institutional holder of DDD, with a link to that fund's top holdings. The next columns indicate the amount of DDD stock held by each of the institutional holders of DDD, followed by the DDD position size held by the institution, and finally the date of the quarterly 13F filing period the holdings data represents for that institution.

Holder	Amount	Position Size ($ in 1000's)	As of
BlackRock Inc.	23,089,358	$146,617	12/31/2023
DDD	23,089,358	$146,617	12/31/2023
Vanguard Group Inc.	14,118,982	$89,656	12/31/2023
DDD	14,118,982	$89,656	12/31/2023
State Street Corp	6,965,400	$44,230	12/31/2023
DDD	6,965,400	$44,230	12/31/2023
Geode Capital Management LLC	2,835,822	$18,010	12/31/2023
DDD	2,835,822	$18,010	12/31/2023
Morgan Stanley	2,655,459	$16,862	12/31/2023
DDD	2,655,459	$16,862	12/31/2023
Legal & General Group Plc	2,283,953	$14,503	12/31/2023
DDD	2,283,953	$14,503	12/31/2023
Exchange Traded Concepts LLC	3,209,700	$14,251	03/31/2024
DDD	3,209,700	$14,251	03/31/2024
ARK Investment Management LLC	2,894,124	$12,850	03/31/2024
DDD	2,894,124	$12,850	03/31/2024
Dimensional Fund Advisors LP	2,017,150	$12,811	12/31/2023
DDD	2,017,150	$12,811	12/31/2023
Northern Trust Corp	1,497,911	$9,512	12/31/2023
DDD	1,497,911	$9,512	12/31/2023
Clark Estates Inc. NY	1,418,614	$9,008	12/31/2023
DDD	1,418,614	$9,008	12/31/2023
Citadel Advisors LLC		$7,475	12/31/2023
DDD	1,101,350	$6,994	12/31/2023
Call	285,900	$1,815	12/31/2023
Put	210,100	$1,334	12/31/2023
Charles Schwab Investment Management Inc.	1,130,655	$7,180	12/31/2023
DDD	1,130,655	$7,180	12/31/2023
Pinnacle Associates Ltd.	1,033,276	$6,561	12/31/2023
DDD	1,033,276	$6,561	12/31/2023
Goldman Sachs Group Inc.	1,006,316	$6,390	12/31/2023
DDD	1,006,316	$6,390	12/31/2023
Royal Bank of Canada	985,817	$6,258	12/31/2023
DDD	985,817	$6,258	12/31/2023
Bank of New York Mellon Corp	1,000,937	$4,444	03/31/2024
DDD	1,000,937	$4,444	03/31/2024
Principal Financial Group Inc.	695,101	$4,414	12/31/2023
DDD	695,101	$4,414	12/31/2023
First Trust Advisors LP	587,214	$3,729	12/31/2023
DDD	587,214	$3,729	12/31/2023
Silverberg Bernstein Capital Management LLC	803,179	$3,566	03/31/2024
DDD	803,179	$3,566	03/31/2024
Voloridge Investment Management LLC	544,834	$3,460	12/31/2023
DDD	544,834	$3,460	12/31/2023
Norges Bank	524,144	$3,328	12/31/2023
DDD	524,144	$3,328	12/31/2023
D. E. Shaw & Co. Inc.		$3,320	12/31/2023
DDD	303,408	$1,927	12/31/2023
Call	236,400	$1,501	12/31/2023
Put	17,000	$108	12/31/2023
Nikko Asset Management Americas Inc.	494,530	$3,135	12/31/2023
DDD	494,530	$3,135	12/31/2023
Invesco Ltd.	424,436	$2,695	12/31/2023
DDD	424,436	$2,695	12/31/2023
LPL Financial LLC	408,992	$2,597	12/31/2023
DDD	408,992	$2,597	12/31/2023
Ameriprise Financial Inc.	405,548	$2,575	12/31/2023
DDD	405,548	$2,575	12/31/2023
Fuller & Thaler Asset Management Inc.	377,250	$2,396	12/31/2023
DDD	377,250	$2,396	12/31/2023
Rhumbline Advisers	363,188	$2,306	12/31/2023
DDD	363,188	$2,306	12/31/2023
Caxton Associates LP	358,800	$2,278	12/31/2023
DDD	358,800	$2,278	12/31/2023
Nuveen Asset Management LLC	353,774	$2,246	12/31/2023
DDD	353,774	$2,246	12/31/2023
Mirae Asset Global Investments Co. Ltd.	353,123	$2,242	12/31/2023
DDD	353,123	$2,242	12/31/2023
Sumitomo Mitsui Trust Holdings Inc.	473,812	$2,104	03/31/2024
DDD	473,812	$2,104	03/31/2024
Credit Suisse AG	293,663	$1,865	12/31/2023
DDD	293,663	$1,865	12/31/2023
Public Sector Pension Investment Board	276,898	$1,758	12/31/2023
DDD	276,898	$1,758	12/31/2023
Swiss National Bank	263,150	$1,671	12/31/2023
DDD	263,150	$1,671	12/31/2023
Susquehanna International Group LLP		$1,589	12/31/2023
Call	318,300	$2,021	12/31/2023
Put	270,800	$1,720	12/31/2023
DDD	202,891	$1,288	12/31/2023
ExodusPoint Capital Management LP	240,547	$1,527	12/31/2023
DDD	240,547	$1,527	12/31/2023
Verition Fund Management LLC	224,843	$1,428	12/31/2023
DDD	224,843	$1,428	12/31/2023
Essex Investment Management Co. LLC	223,075	$1,417	12/31/2023
DDD	223,075	$1,417	12/31/2023
Barclays PLC	215,253	$1,366	12/31/2023
DDD	215,253	$1,366	12/31/2023
Zacks Investment Management	202,337	$1,285	12/31/2023
DDD	202,337	$1,285	12/31/2023
UBS Group AG	200,924	$1,276	12/31/2023
DDD	200,924	$1,276	12/31/2023
Squarepoint Ops LLC		$1,201	12/31/2023
Call	100,000	$635	12/31/2023
DDD	89,120	$566	12/31/2023
Great West Life Assurance Co. Can	187,761	$1,186	12/31/2023
DDD	187,761	$1,186	12/31/2023
Alps Advisors Inc.	175,184	$1,112	12/31/2023
DDD	175,184	$1,112	12/31/2023
Jane Street Group LLC		$1,100	12/31/2023
DDD	134,414	$854	12/31/2023
Call	111,900	$711	12/31/2023
Put	73,300	$465	12/31/2023
Boston Private Wealth LLC	157,748	$1,002	12/31/2023
DDD	157,748	$1,002	12/31/2023
JPMorgan Chase & Co.	155,898	$990	12/31/2023
DDD	155,898	$990	12/31/2023
Prudential Financial Inc.	153,073	$972	12/31/2023
DDD	153,073	$972	12/31/2023