FENC · Fennec Pharmaceuticals Inc. · Shareholders & Ownership

$10.32 -0.06 (-0.58%)

Russell 2000 member Rebalance outlook locked

Market Cap

$364.00M

35.07M

Volume · Oct 22 103.86K Avg daily vol (3M) 184.86K

Every disclosed holder of FENC in one list: 13F institutions, Schedule 13D and 13G filers, insiders (Forms 3, 4 and 5) and registered funds, each from its own latest filing. Holders nest by CIK and SEC reporting links, never by name, and each is summed once.

How the holder list picks a filing →

Who Owns FENC

13F quarter Sep 30, 2026, combined view: filers that have not filed yet carry their Jun 30, 2026 positions

Holder group	Holders	Shares	% Out	Summed
Institutional (13F)	105	16,579,477	47.28%	Yes
Insiders (Forms 3, 4, 5)	8	3,315,061	9.45%	Yes
13D/G-only blocks	3	6,414,072	18.29%	Yes
Remaining	—	8,758,549	24.98%	Rest
Registered funds (N-PORT, not summed)	76	3,114,405	8.88%	No

Shares outstanding: 35,067,159, the issuer's latest cover-page count restated onto today's split basis.

13D/G-only counts each filer's latest 13D or 13G that no 13F report of the listing contains, that names no 13F filer and that no counted insider files. Funds are never summed: their shares sit inside their advisers' 13F reports.

Holders of FENC

One row per holder Every filing By ultimate parent

All 13F Funds Insiders 13D/G Non-US

#	Holder	Shares	% Out	Change	As of	Notes
1	Rosalind Advisors, Inc. 13F CIK 1622627 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	3,188,001	9.09%	+279,800	Jun 30, 2026	carried, not yet filed for the newest quarter
1.1	Rosalind Advisors, Inc. 13G CIK 1622627 · Unknown · Jun 30, 2026 Rule 13d-1(d), exempt investor, not summed	3,321,333	9.47%	+279,800	Jun 30, 2026	Rule 13d-1(d), exempt investor, not summed
2	Sonic Fund II, L.P. 13G CIK 1771377 · Unknown · Dec 31, 2025 Rule 13d-1(c), passive investor	2,799,959	7.98%	—	Dec 31, 2025	Rule 13d-1(c), passive investor
3	Orin Hirschman 13G CIK 1131362 · Investment adviser · Sep 30, 2026 Rule 13d-1(b), qualified institution	2,499,421	7.13%	+517,920	Sep 30, 2026	Rule 13d-1(b), qualified institution
4	AIGH Capital Management LLC 13F CIK 1835943 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	2,486,038	7.09%	+504,537	Jun 30, 2026	carried, not yet filed for the newest quarter
5	Solas Capital Management, LLC 13F CIK 1604867 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	1,889,366	5.39%	-592,832	Jun 30, 2026	carried, not yet filed for the newest quarter
5.1	Solas Capital Management, LLC 13G CIK 1604867 · Registered investment adviser · Jun 30, 2026 Rule 13d-1(b), qualified institution, not summed	1,889,366	5.39%	-592,832	Jun 30, 2026	Rule 13d-1(b), qualified institution, not summed
6	BlackRock, Inc. 13F CIK 2012383 · Holding company · Jun 30, 2026 carried, not yet filed for the newest quarter	1,727,069	4.93%	+358,893	Jun 30, 2026	carried, not yet filed for the newest quarter
6.1	iShares Russell 2000 ETF Fund S000004344 · Registered fund · Jun 30, 2026 iShares Trust, not summed	750,369	2.14%	+128,060	Jun 30, 2026	iShares Trust, not summed
6.2	iShares Russell 2000 Growth ETF Fund S000004343 · Registered fund · Jun 30, 2026 iShares Trust, not summed	266,715	0.76%	+215,601	Jun 30, 2026	iShares Trust, not summed
6.3	iShares Micro-Cap ETF Fund S000004439 · Registered fund · Jun 30, 2026 iShares Trust, not summed	97,115	0.28%	+24,622	Jun 30, 2026	iShares Trust, not summed
6.4	Master Small Cap Index Series Fund S000002716 · Registered fund · Jun 30, 2026 Quantitative Master Series LLC, not summed	50,481	0.14%	0	Jun 30, 2026	Quantitative Master Series LLC, not summed
6.5	iShares Total U.S. Stock Market Index Fund Fund S000050372 · Registered fund · Jul 31, 2026 BlackRock Funds, not summed	4,379	0.01%	—	Jul 31, 2026	BlackRock Funds, not summed
7	AWM Investment Company, Inc. 13F CIK 1535264 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	1,160,296	3.31%	+440,161	Jun 30, 2026	carried, not yet filed for the newest quarter
8	DG Capital Management, LLC 13G CIK 1512716 · Registered investment adviser · Dec 31, 2024 Rule 13d-1(c), passive investor	1,114,692	3.18%	-407,512	Dec 31, 2024	Rule 13d-1(c), passive investor
9	VANGUARD CAPITAL MANAGEMENT LLC 13F CIK 2100119 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	839,306	2.39%	-57,838	Jun 30, 2026	carried, not yet filed for the newest quarter
10	VANGUARD TOTAL STOCK MARKET INDEX FUND Fund S000002848 · Registered fund · Jun 30, 2026 VANGUARD INDEX FUNDS, not summed	815,192	2.32%	-57,838	Jun 30, 2026	VANGUARD INDEX FUNDS, not summed
11	Prospect Capital Advisors, LLC 13F CIK 1632368 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	497,800	1.42%	+497,800	Jun 30, 2026	carried, not yet filed for the newest quarter
12	STATE STREET CORP 13F CIK 93751 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	426,004	1.21%	+66,949	Jun 30, 2026	carried, not yet filed for the newest quarter
12.1	STATE STREET SMALL/MID CAP EQUITY INDEX PORTFOLIO Fund S000050332 · Registered fund · Jun 30, 2026 STATE STREET INSTITUTIONAL INVESTMENT TRUST, not summed	10,200	0.03%	0	Jun 30, 2026	STATE STREET INSTITUTIONAL INVESTMENT TRUST, not summed
12.2	State Street Total Return V.I.S. Fund Fund S000001637 · Registered fund · Jun 30, 2026 STATE STREET VARIABLE INSURANCE SERIES FUNDS INC, not summed	700	0.00%	0	Jun 30, 2026	STATE STREET VARIABLE INSURANCE SERIES FUNDS INC, not summed
13	GEODE CAPITAL MANAGEMENT, LLC 13F CIK 1214717 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	402,566	1.15%	+30,828	Jun 30, 2026	carried, not yet filed for the newest quarter
14	ESSEX INVESTMENT MANAGEMENT CO LLC 13F CIK 201772 · Registered investment adviser · Sep 30, 2026	318,771	0.91%	+318,771	Sep 30, 2026
15	Andrade Robert Insider CIK 1468308 · Oct 12, 2026 CHIEF FINANCIAL OFFICER, issuer-wide	246,855	0.70%	+3,846	Oct 12, 2026	CHIEF FINANCIAL OFFICER, issuer-wide
16	JANE STREET GROUP, LLC 13F CIK 1595888 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	233,877	0.67%	+233,877	Jun 30, 2026	carried, not yet filed for the newest quarter
17	Potomac Capital Management, Inc. 13F CIK 1418746 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	224,400	0.64%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
18	MORGAN STANLEY 13F CIK 895421 · Holding company · Jun 30, 2026 carried, not yet filed for the newest quarter	221,920	0.63%	+10,812	Jun 30, 2026	carried, not yet filed for the newest quarter
19	VANGUARD PORTFOLIO MANAGEMENT LLC 13F CIK 2100121 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	199,998	0.57%	+31,525	Jun 30, 2026	carried, not yet filed for the newest quarter
20	NORTHERN TRUST CORP 13F CIK 73124 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	167,922	0.48%	+15,799	Jun 30, 2026	carried, not yet filed for the newest quarter
20.1	Small Cap Index Fund Fund S000001245 · Registered fund · Jun 30, 2026 Northern Funds, not summed	14,965	0.04%	-106	Jun 30, 2026	Northern Funds, not summed
21	VANGUARD RUSSELL 2000 INDEX FUND Fund S000030003 · Registered fund · May 31, 2026 VANGUARD SCOTTSDALE FUNDS, not summed	149,156	0.43%	+33,497	May 31, 2026	VANGUARD SCOTTSDALE FUNDS, not summed
22	MARSHALL WACE, LLP 13F CIK 1318757 · Exempt reporting adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	138,758	0.40%	+138,758	Jun 30, 2026	carried, not yet filed for the newest quarter
23	RENAISSANCE TECHNOLOGIES LLC 13F CIK 1037389 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	134,200	0.38%	+134,200	Jun 30, 2026	carried, not yet filed for the newest quarter
24	Nuveen, LLC 13F CIK 1871926 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	131,482	0.37%	+70,534	Jun 30, 2026	carried, not yet filed for the newest quarter
24.1	College Retirement Equities Fund - Total Global Stock Account Fund S000005080 · Registered fund · Jun 30, 2026 College Retirement Equities Fund, not summed	85,124	0.24%	+59,534	Jun 30, 2026	College Retirement Equities Fund, not summed
24.2	Nuveen Small Cap Blend Index Fund Fund S000005367 · Registered fund · Jul 31, 2026 TIAA-CREF Funds, not summed	33,813	0.10%	0	Jul 31, 2026	TIAA-CREF Funds, not summed
24.3	TIAA Separate Account VA-1 - Stock Index Account Fund S000005098 · Registered fund · Jun 30, 2026 TIAA Separate Account VA-1, not summed	1,545	0.00%	0	Jun 30, 2026	TIAA Separate Account VA-1, not summed
25	Raykov Rosty Insider CIK 1468316 · Sep 1, 2026 Director, issuer-wide	124,411	0.35%	-7,222	Sep 1, 2026	Director, issuer-wide
26	Trexquant Investment LP 13F CIK 1633445 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	119,122	0.34%	+67,253	Jun 30, 2026	carried, not yet filed for the newest quarter
27	CenterBook Partners LP 13F CIK 1872738 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	118,582	0.34%	+118,582	Jun 30, 2026	carried, not yet filed for the newest quarter
28	Lion Point Capital, LP 13F CIK 1643354 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	112,434	0.32%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
29	BRIDGEWAY CAPITAL MANAGEMENT, LLC 13F CIK 1107261 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	108,005	0.31%	+25,000	Jun 30, 2026	carried, not yet filed for the newest quarter
29.1	Ultra-Small Company Fund Fund S000004423 · Registered fund · Jun 30, 2026 Bridgeway Funds, Inc., not summed	108,005	0.31%	+25,000	Jun 30, 2026	Bridgeway Funds, Inc., not summed
30	Cornerstone Capital, Inc. 13F CIK 819535 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	105,000	0.30%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
31	XTX Topco Ltd 13F CIK 1828301 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	93,866	0.27%	+78,611	Jun 30, 2026	carried, not yet filed for the newest quarter
32	AQR CAPITAL MANAGEMENT LLC 13F CIK 1167557 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	92,889	0.26%	+68,743	Jun 30, 2026	carried, not yet filed for the newest quarter
33	WELLINGTON MANAGEMENT GROUP LLP 13F CIK 902219 · Holding company · Jun 30, 2026 carried, not yet filed for the newest quarter	84,548	0.24%	+84,548	Jun 30, 2026	carried, not yet filed for the newest quarter
34	Quadrature Capital Ltd 13F CIK 1651424 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	75,726	0.22%	+75,726	Jun 30, 2026	carried, not yet filed for the newest quarter
35	CITADEL ADVISORS LLC 13F CIK 1423053 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	71,032	0.20%	-82,578	Jun 30, 2026	carried, not yet filed for the newest quarter
36	CHARLES SCHWAB INVESTMENT MANAGEMENT INC 13F CIK 884546 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	70,504	0.20%	+6,967	Jun 30, 2026	carried, not yet filed for the newest quarter
36.1	Schwab Small-Cap Index Fund Fund S000005912 · Registered fund · Jul 31, 2026 SCHWAB CAPITAL TRUST, not summed	70,504	0.20%	+6,967	Jul 31, 2026	SCHWAB CAPITAL TRUST, not summed
37	Hackman Jeffrey S. Insider CIK 1926254 · Oct 12, 2026 Director, Chief Executive Officer, issuer-wide	69,685	0.20%	+2,224	Oct 12, 2026	Director, Chief Executive Officer, issuer-wide
38	1492 Capital Management LLC 13F CIK 1584087 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	65,149	0.19%	+14,444	Jun 30, 2026	carried, not yet filed for the newest quarter
39	RALLIS CHRIS A Insider CIK 1185945 · May 11, 2026 Director, issuer-wide	63,077	0.18%	+5,998	May 11, 2026	Director, issuer-wide
40	Bank of New York Mellon Corp 13F CIK 1390777 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	61,032	0.17%	+8,570	Jun 30, 2026	carried, not yet filed for the newest quarter
41	TWO SIGMA INVESTMENTS, LP 13F CIK 1179392 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	60,332	0.17%	+60,332	Jun 30, 2026	carried, not yet filed for the newest quarter
42	Qube Research & Technologies Ltd 13F CIK 1729829 · Exempt reporting adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	58,292	0.17%	+28,914	Jun 30, 2026	carried, not yet filed for the newest quarter
43	THOMPSON SIEGEL & WALMSLEY LLC 13F CIK 1008322 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	57,226	0.16%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
44	Point72 Asset Management, L.P. 13F CIK 1603466 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	56,407	0.16%	+56,407	Jun 30, 2026	carried, not yet filed for the newest quarter
45	Hartford Financial Management Inc. 13F CIK 1352526 · Registered investment adviser · Sep 30, 2026	50,646	0.14%	0	Sep 30, 2026
46	Round Rock Advisors LLC 13F CIK 1846991 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	48,683	0.14%	+48,683	Jun 30, 2026	carried, not yet filed for the newest quarter
47	VANGUARD FIDUCIARY TRUST CO 13F CIK 933478 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	45,400	0.13%	+6,676	Jun 30, 2026	carried, not yet filed for the newest quarter
48	STATE OF WISCONSIN INVESTMENT BOARD 13F CIK 854157 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	38,605	0.11%	-4,895	Jun 30, 2026	carried, not yet filed for the newest quarter
49	BNP PARIBAS ARBITRAGE, SA 13F CIK 1166588 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	36,727	0.10%	+30,530	Jun 30, 2026	carried, not yet filed for the newest quarter
50	RHUMBLINE ADVISERS 13F CIK 1115418 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	34,969	0.10%	+3,671	Jun 30, 2026	carried, not yet filed for the newest quarter

2 more nested rows are not shown here; Every filing lists them all.

Shares are restated onto today's split basis. Change compares each row with the same holder's previous filing in the same source; a dash means there is none to compare. Nested 13D/G, insider and fund rows are not summed, since a 13F report already holds them.

Showing 1–50 of 168 holders

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Key facts CIK 1211583 CUSIP 31447P100 13F (30d) 15 filings 15 filers Visit website Investor relations