Zafgen Inc

Q4 2019 vs Q1 2020

Comparing institutional holders between quarters

Compare Detailed Historical Funds Options 13D/13G Peers Targeting Trading Summary Profile

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Atlas Venture Advisors, Inc.

UNCHANGED

Shares3,506,207 from 3,506,207

Change0 (0%)

Value$2.7K (-$1.2K)

Filed 2020-05-07

Sphera Funds Management Ltd.

INCREASED

Shares3,161,562 from 347,670

Change+2,813,892 (+809%)

Value$2.4K (+$2.0K)

Filed 2020-05-14

683 Capital Management, LLC

DECREASED

Shares2,630,368 from 2,701,566

Change-71,198 (-3%)

Value$2.0K (-$974)

Filed 2020-05-15

Sio Capital Management, LLC

INCREASED

Shares2,332,164 from 2,283,164

Change+49,000 (+2%)

Value$1.8K (-$738)

Filed 2020-05-15

Renaissance Technologies LLC

DECREASED

Shares2,160,550 from 2,385,677

Change-225,127 (-9%)

Value$1.7K (-$984)

Filed 2020-05-14

Mangrove Partners IM, LLC

DECREASED

Shares1,762,826 from 1,776,644

Change-13,818 (-1%)

Value$1.4K (-$615)

Filed 2020-05-15

Morgan Stanley

DECREASED

Shares1,695,201 from 1,700,556

Change-5,355 (0%)

Value$1.3K (-$583)

Filed 2020-05-26

Acuta Capital Partners, LLC

INCREASED

Shares1,386,000 from 1,000,000

Change+386,000 (+39%)

Value$1.1K (-$43)

Filed 2020-05-15

Soleus Capital Management, L.P.

INCREASED

Shares1,348,399 from 803,963

Change+544,436 (+68%)

Value$1.0K (+$146)

Filed 2020-05-15

Orbimed Advisors LLC

INCREASED

Shares1,106,529 from 821,000

Change+285,529 (+35%)

Value$852 (-$59)

Filed 2020-05-15

Vanguard Group Inc

UNCHANGED

Shares992,481 from 992,481

Change0 (0%)

Value$764 (-$338)

Filed 2020-05-15

BlackRock Inc.

DECREASED

Shares731,957 from 741,815

Change-9,858 (-1%)

Value$563 (-$260)

Filed 2020-05-01

Worth Venture Partners, LLC

INCREASED

Shares713,621 from 542,374

Change+171,247 (+32%)

Value$550 (-$52)

Filed 2020-05-15

Royce & Associates LP

UNCHANGED

Shares336,781 from 336,781

Change0 (0%)

Value$259 (-$115)

Filed 2020-05-12

Millennium Management LLC

DECREASED

Shares307,901 from 367,463

Change-59,562 (-16%)

Value$237 (-$171)

Filed 2020-05-14

Dafna Capital Management LLC

UNCHANGED

Shares305,500 from 305,500

Change0 (0%)

Value$235 (-$104)

Filed 2020-05-15

Russell Investments Group, Ltd.

DECREASED

Shares261,234 from 395,382

Change-134,148 (-34%)

Value$201 (-$237)

Filed 2020-05-06

Geode Capital Management, LLC

DECREASED

Shares252,782 from 259,374

Change-6,592 (-3%)

Value$194 (-$93)

Filed 2020-05-14

Two Sigma Investments, LP

DECREASED

Shares223,368 from 443,252

Change-219,884 (-50%)

Value$172 (-$320)

Filed 2020-05-15

Two Sigma Advisers, LP

DECREASED

Shares214,300 from 238,600

Change-24,300 (-10%)

Value$165 (-$100)

Filed 2020-05-15

Point72 Asset Management, L.P.

UNCHANGED

Shares207,129 from 207,129

Change0 (0%)

Value$159 (-$71)

Filed 2020-05-15

Winton Group Ltd

DECREASED

Shares182,452 from 183,961

Change-1,509 (-1%)

Value$140 (-$64)

Filed 2020-05-11

Hikari Power Ltd

DECREASED

Shares150,000 from 200,621

Change-50,621 (-25%)

Value$116 (-$107)

Filed 2020-04-23

Northern Trust Corp

INCREASED

Shares78,651 from 78,551

Change+100 (+0%)

Value$61 (-$26)

Filed 2020-05-14

Bridgeway Capital Management, LLC

NEW

Shares45,000

Change+45,000

Value$35

Filed 2020-05-15

Goldman Sachs Group Inc

DECREASED

Shares37,419 from 47,395

Change-9,976 (-21%)

Value$29 (-$24)

Filed 2020-05-15

Citadel Advisors LLC

NEW

Shares25,350

Change+25,350

Value$20

Filed 2020-05-15

State Street Corp

DECREASED

Shares24,100 from 25,100

Change-1,000 (-4%)

Value$19 (-$9)

Filed 2020-06-19

Northeast Financial Consultants Inc

UNCHANGED

Shares23,243 from 23,243

Change0 (0%)

Value$18 (-$8)

Filed 2020-05-13

Gabelli Funds LLC

NEW

Shares22,000

Change+22,000

Value$17

Filed 2020-05-14

US Bancorp \de\

UNCHANGED

Shares14,105 from 14,105

Change0 (0%)

Value$11 (-$5)

Filed 2020-05-13

Spark Investment Management LLC

NEW

Shares11,381

Change+11,381

Value$8

Filed 2020-05-12

Bank of America Corp

DECREASED

Shares10,996 from 16,813

Change-5,817 (-35%)

Value$8 (-$11)

Filed 2020-05-15

Squarepoint Ops LLC

DECREASED

Shares10,384 from 36,024

Change-25,640 (-71%)

Value$8 (-$32)

Filed 2020-05-15

Victory Capital Management Inc

NEW

Shares5,309

Change+5,309

Value$4

Filed 2020-05-12

Cubist Systematic Strategies, LLC

DECREASED

Shares3,388 from 4,208

Change-820 (-19%)

Value$3 (-$2)

Filed 2020-05-15

Royal Bank of Canada

INCREASED

Shares2,106 from 1,800

Change+306 (+17%)

Value$1 (-$1)

Filed 2020-06-16

Group One Trading LLC

UNCHANGED

Shares300 from 300

Change0 (0%)

Value$0 ($0)

Filed 2020-05-13

Patriot Financial Group Insurance Agency, LLC

UNCHANGED

Shares225 from 225

Change0 (0%)

Value$0 ($0)

Filed 2020-04-15

Wells Fargo & Company

NEW

Shares190

Change+190

Value$0

Filed 2020-05-14

BNP Paribas Financial Markets

UNCHANGED

Shares87 from 87

Change0 (0%)

Value$67 (-$30)

Filed 2020-05-13

Federated Hermes, Inc.

DECREASED

Shares24 from 46

Change-22 (-48%)

Value$1 ($0)

Filed 2020-05-13

Wedbush Securities Inc

CLOSED

Shares0 from 85,032

Change-85,032 (-100%)

Value$0 (-$94)

Filed 2020-04-17

Jane Street Group, LLC

CLOSED

Shares0 from 59,986

Change-59,986 (-100%)

Value$0 (-$67)

Filed 2020-05-15

HRT Financial LP

CLOSED

Shares0 from 37,200

Change-37,200 (-100%)

Value$0 (-$41)

Filed 2020-05-15

SG Americas Securities, LLC

CLOSED

Shares0 from 21,501

Change-21,501 (-100%)

Value$0 (-$24)

Filed 2020-04-30

A.R.T. Advisors, LLC

CLOSED

Shares0 from 20,132

Change-20,132 (-100%)

Value$0 (-$22)

Filed 2020-05-15

Deutsche Bank Ag\

CLOSED

Shares0 from 17,617

Change-17,617 (-100%)

Value$0 (-$19)

Filed 2020-05-14

Artemis Wealth Advisors, LLC

CLOSED

Shares0 from 8,934

Change-8,934 (-100%)

Value$0 (-$9.9K)

Filed 2023-09-05

Citigroup Inc

CLOSED

Shares0 from 3,447

Change-3,447 (-100%)

Value$0 (-$4)

Filed 2020-05-12

Tower Research Capital LLC (TRC)

CLOSED

Shares0 from 1,328

Change-1,328 (-100%)

Value$0 (-$1)

Filed 2020-05-15

UBS Group AG

CLOSED

Shares0 from 1,045

Change-1,045 (-100%)

Value$0 (-$1)

Filed 2020-05-01

Barclays PLC

CLOSED

Shares0 from 236

Change-236 (-100%)

Value$0 ($0)

Filed 2020-05-13

Proequities, Inc.

UNCHANGED

Shares0 from 0

Change0

Value$0 ($0)

Filed 2020-05-13

Virtu Financial LLC

N/A

Shares— from 105,369

Change-105,369 (-100%)

Value—

	Status
Atlas Venture Advisors, Inc.	UNCHANGED	3,506,207	3,506,207	0	0%	$3.9K	$2.7K	-$1.2K	2020-05-07
Sphera Funds Management Ltd.	INCREASED	3,161,562	347,670	+2,813,892	+809%	$386	$2.4K	+$2.0K	2020-05-14
683 Capital Management, LLC	DECREASED	2,630,368	2,701,566	-71,198	-3%	$3.0K	$2.0K	-$974	2020-05-15
Sio Capital Management, LLC	INCREASED	2,332,164	2,283,164	+49,000	+2%	$2.5K	$1.8K	-$738	2020-05-15
Renaissance Technologies LLC	DECREASED	2,160,550	2,385,677	-225,127	-9%	$2.6K	$1.7K	-$984	2020-05-14
Mangrove Partners IM, LLC	DECREASED	1,762,826	1,776,644	-13,818	-1%	$2.0K	$1.4K	-$615	2020-05-15
Morgan Stanley	DECREASED	1,695,201	1,700,556	-5,355	0%	$1.9K	$1.3K	-$583	2020-05-26
Acuta Capital Partners, LLC	INCREASED	1,386,000	1,000,000	+386,000	+39%	$1.1K	$1.1K	-$43	2020-05-15
Soleus Capital Management, L.P.	INCREASED	1,348,399	803,963	+544,436	+68%	$892	$1.0K	+$146	2020-05-15
Orbimed Advisors LLC	INCREASED	1,106,529	821,000	+285,529	+35%	$911	$852	-$59	2020-05-15
Vanguard Group Inc	UNCHANGED	992,481	992,481	0	0%	$1.1K	$764	-$338	2020-05-15
BlackRock Inc.	DECREASED	731,957	741,815	-9,858	-1%	$823	$563	-$260	2020-05-01
Worth Venture Partners, LLC	INCREASED	713,621	542,374	+171,247	+32%	$602	$550	-$52	2020-05-15
Royce & Associates LP	UNCHANGED	336,781	336,781	0	0%	$374	$259	-$115	2020-05-12
Millennium Management LLC	DECREASED	307,901	367,463	-59,562	-16%	$408	$237	-$171	2020-05-14
Dafna Capital Management LLC	UNCHANGED	305,500	305,500	0	0%	$339	$235	-$104	2020-05-15
Russell Investments Group, Ltd.	DECREASED	261,234	395,382	-134,148	-34%	$438	$201	-$237	2020-05-06
Geode Capital Management, LLC	DECREASED	252,782	259,374	-6,592	-3%	$287	$194	-$93	2020-05-14
Two Sigma Investments, LP	DECREASED	223,368	443,252	-219,884	-50%	$492	$172	-$320	2020-05-15
Two Sigma Advisers, LP	DECREASED	214,300	238,600	-24,300	-10%	$265	$165	-$100	2020-05-15
Point72 Asset Management, L.P.	UNCHANGED	207,129	207,129	0	0%	$230	$159	-$71	2020-05-15
Winton Group Ltd	DECREASED	182,452	183,961	-1,509	-1%	$204	$140	-$64	2020-05-11
Hikari Power Ltd	DECREASED	150,000	200,621	-50,621	-25%	$223	$116	-$107	2020-04-23
Northern Trust Corp	INCREASED	78,651	78,551	+100	+0%	$87	$61	-$26	2020-05-14
Bridgeway Capital Management, LLC	NEW	45,000	—	+45,000	—	—	$35	—	2020-05-15
Goldman Sachs Group Inc	DECREASED	37,419	47,395	-9,976	-21%	$53	$29	-$24	2020-05-15
Citadel Advisors LLC	NEW	25,350	—	+25,350	—	—	$20	—	2020-05-15
State Street Corp	DECREASED	24,100	25,100	-1,000	-4%	$28	$19	-$9	2020-06-19
Northeast Financial Consultants Inc	UNCHANGED	23,243	23,243	0	0%	$26	$18	-$8	2020-05-13
Gabelli Funds LLC	NEW	22,000	—	+22,000	—	—	$17	—	2020-05-14
US Bancorp \de\	UNCHANGED	14,105	14,105	0	0%	$16	$11	-$5	2020-05-13
Spark Investment Management LLC	NEW	11,381	—	+11,381	—	—	$8	—	2020-05-12
Bank of America Corp	DECREASED	10,996	16,813	-5,817	-35%	$19	$8	-$11	2020-05-15
Squarepoint Ops LLC	DECREASED	10,384	36,024	-25,640	-71%	$40	$8	-$32	2020-05-15
Victory Capital Management Inc	NEW	5,309	—	+5,309	—	—	$4	—	2020-05-12
Cubist Systematic Strategies, LLC	DECREASED	3,388	4,208	-820	-19%	$5	$3	-$2	2020-05-15
Royal Bank of Canada	INCREASED	2,106	1,800	+306	+17%	$2	$1	-$1	2020-06-16
Group One Trading LLC	UNCHANGED	300	300	0	0%	$0	$0	$0	2020-05-13
Patriot Financial Group Insurance Agency, LLC	UNCHANGED	225	225	0	0%	$0	$0	$0	2020-04-15
Wells Fargo & Company	NEW	190	—	+190	—	—	$0	—	2020-05-14
BNP Paribas Financial Markets	UNCHANGED	87	87	0	0%	$97	$67	-$30	2020-05-13
Federated Hermes, Inc.	DECREASED	24	46	-22	-48%	$1	$1	$0	2020-05-13
Wedbush Securities Inc	CLOSED	0	85,032	-85,032	-100%	$94	$0	-$94	2020-04-17
Jane Street Group, LLC	CLOSED	0	59,986	-59,986	-100%	$67	$0	-$67	2020-05-15
HRT Financial LP	CLOSED	0	37,200	-37,200	-100%	$41	$0	-$41	2020-05-15
SG Americas Securities, LLC	CLOSED	0	21,501	-21,501	-100%	$24	$0	-$24	2020-04-30
A.R.T. Advisors, LLC	CLOSED	0	20,132	-20,132	-100%	$22	$0	-$22	2020-05-15
Deutsche Bank Ag\	CLOSED	0	17,617	-17,617	-100%	$19	$0	-$19	2020-05-14
Artemis Wealth Advisors, LLC	CLOSED	0	8,934	-8,934	-100%	$9.9K	$0	-$9.9K	2023-09-05
Citigroup Inc	CLOSED	0	3,447	-3,447	-100%	$4	$0	-$4	2020-05-12
Tower Research Capital LLC (TRC)	CLOSED	0	1,328	-1,328	-100%	$1	$0	-$1	2020-05-15
UBS Group AG	CLOSED	0	1,045	-1,045	-100%	$1	$0	-$1	2020-05-01
Barclays PLC	CLOSED	0	236	-236	-100%	$0	$0	$0	2020-05-13
Proequities, Inc.	UNCHANGED	0	0	0	—	$0	$0	$0	2020-05-13
Virtu Financial LLC	N/A	—	105,369	-105,369	-100%	$117	—	—	—

Showing 55 of 55 institutions